The document provides information about the ME8791 Mechatronics course offered at SSM Institute of Engineering and Technology. It includes 5 units that will be covered: Mechatronics, sensors and transducers; microprocessors and microcontrollers; programmable peripheral interfaces; programmable logic controllers; and actuators and mechatronic system design. Upon completing the course, students will be able to discuss key concepts of mechatronics including applications of different engineering disciplines for system control, architectures of microprocessors and interfaces, and design of various mechatronic systems and case studies. The course aims to impart knowledge of elements and techniques involved in mechatronic systems.
The document provides an overview of the ME8791 Mechatronics course offered at SSMIET. It outlines 5 units that will be covered: Mechatronics, Sensors and Transducers; Microprocessors and Microcontrollers; Programmable Peripheral Interfaces; Programmable Logic Controllers; and Actuators and Mechatronic System Design. The course aims to impart knowledge of elements and techniques involved in Mechatronic systems, including sensors, microprocessors, actuators, and the design of Mechatronic systems. Upon completing the course, students will be able to discuss various topics related to Mechatronics applications and system design.
This document outlines the course objectives and content for a course on mechatronics. It includes 5 units: (1) an introduction to mechatronics, sensors, and transducers; (2) microprocessors and microcontrollers; (3) programmable peripheral interfaces; (4) programmable logic controllers; and (5) actuators and mechatronic system design. The document provides details on the topics that will be covered in each unit, such as sensor characteristics, microcontroller architecture, and types of actuators. It also lists the intended learning outcomes and references for the course.
This document outlines the course objectives and content for a mechatronics course. It includes 5 units that cover topics such as mechatronics systems, sensors and transducers, microprocessors and microcontrollers, programmable peripheral interfaces, programmable logic controllers, and actuators and mechatronic system design. The course aims to impart knowledge of elements and techniques involved in mechatronic systems to understand the emerging field of automation.
This document outlines the course objectives, units, outcomes, and references for an undergraduate course in Mechatronics Engineering. The course aims to impart knowledge of Mechatronics systems and techniques essential for understanding automation. It covers topics like sensors and transducers, microprocessors and microcontrollers, programmable peripheral interfaces, programmable logic controllers, actuators, and Mechatronics system design. Upon completing the course, students will be able to discuss interdisciplinary applications of Mechatronics, architectures of microprocessors and controllers, interfacing devices, and apply their skills to Mechatronics systems and case studies.
This document provides information on the MET 402 Mechatronics course offered at Vidya Academy of Science and Technology. The course objectives are to introduce various sensors used in CNC machines and robots, study MEMS pressure and inertial sensors, and develop hydraulic/pneumatic circuits and PLC programs. The syllabus covers topics such as mechatronics, sensors, actuates, MEMS, mechatronics in CNC machines and robotics. Expected outcomes are for students to understand mechanical systems in mechatronics and integrate various engineering disciplines in system design. The course plan lists 6 modules covering these topics over 15 weeks. Assessment includes exams based on the modules.
The document provides an introduction to mechatronics systems. It discusses:
1. The origins and definitions of mechatronics, which involves the synergistic integration of mechanical engineering, electronics, and computer control.
2. Mechatronics has evolved through industrial, semiconductor, and information revolutions to allow the integration of sensors, actuators, computers, and control systems.
3. Common mechatronics applications include smart consumer products, medical devices, manufacturing systems, and automotive systems.
This document contains lecture material on mechatronics systems from Dr. V. Kandavel. It defines mechatronics as the synergistic integration of mechanical engineering with electronics and computer control. It describes the key elements of mechatronics systems including sensors, actuators, signal conditioning, power electronics, control algorithms, and computer hardware and software. It also explains what a system is, showing a diagram of a spring system with an input force producing an output extension. Finally, it briefly discusses CAD/CAM/CAE software used for computer-aided design, manufacturing, and engineering.
This document outlines the course contents for an engineering course on mechatronics. The course will cover topics such as sensors, actuators, control systems, microcontrollers, and interfacing. It will teach students how to integrate mechanical, electrical, and computer systems to design mechatronics products. The course assessments include sessional work, mid-semester exams, end-semester exams, and evaluation of laboratory work.
The document provides an overview of the ME8791 Mechatronics course offered at SSMIET. It outlines 5 units that will be covered: Mechatronics, Sensors and Transducers; Microprocessors and Microcontrollers; Programmable Peripheral Interfaces; Programmable Logic Controllers; and Actuators and Mechatronic System Design. The course aims to impart knowledge of elements and techniques involved in Mechatronic systems, including sensors, microprocessors, actuators, and the design of Mechatronic systems. Upon completing the course, students will be able to discuss various topics related to Mechatronics applications and system design.
This document outlines the course objectives and content for a course on mechatronics. It includes 5 units: (1) an introduction to mechatronics, sensors, and transducers; (2) microprocessors and microcontrollers; (3) programmable peripheral interfaces; (4) programmable logic controllers; and (5) actuators and mechatronic system design. The document provides details on the topics that will be covered in each unit, such as sensor characteristics, microcontroller architecture, and types of actuators. It also lists the intended learning outcomes and references for the course.
This document outlines the course objectives and content for a mechatronics course. It includes 5 units that cover topics such as mechatronics systems, sensors and transducers, microprocessors and microcontrollers, programmable peripheral interfaces, programmable logic controllers, and actuators and mechatronic system design. The course aims to impart knowledge of elements and techniques involved in mechatronic systems to understand the emerging field of automation.
This document outlines the course objectives, units, outcomes, and references for an undergraduate course in Mechatronics Engineering. The course aims to impart knowledge of Mechatronics systems and techniques essential for understanding automation. It covers topics like sensors and transducers, microprocessors and microcontrollers, programmable peripheral interfaces, programmable logic controllers, actuators, and Mechatronics system design. Upon completing the course, students will be able to discuss interdisciplinary applications of Mechatronics, architectures of microprocessors and controllers, interfacing devices, and apply their skills to Mechatronics systems and case studies.
This document provides information on the MET 402 Mechatronics course offered at Vidya Academy of Science and Technology. The course objectives are to introduce various sensors used in CNC machines and robots, study MEMS pressure and inertial sensors, and develop hydraulic/pneumatic circuits and PLC programs. The syllabus covers topics such as mechatronics, sensors, actuates, MEMS, mechatronics in CNC machines and robotics. Expected outcomes are for students to understand mechanical systems in mechatronics and integrate various engineering disciplines in system design. The course plan lists 6 modules covering these topics over 15 weeks. Assessment includes exams based on the modules.
The document provides an introduction to mechatronics systems. It discusses:
1. The origins and definitions of mechatronics, which involves the synergistic integration of mechanical engineering, electronics, and computer control.
2. Mechatronics has evolved through industrial, semiconductor, and information revolutions to allow the integration of sensors, actuators, computers, and control systems.
3. Common mechatronics applications include smart consumer products, medical devices, manufacturing systems, and automotive systems.
This document contains lecture material on mechatronics systems from Dr. V. Kandavel. It defines mechatronics as the synergistic integration of mechanical engineering with electronics and computer control. It describes the key elements of mechatronics systems including sensors, actuators, signal conditioning, power electronics, control algorithms, and computer hardware and software. It also explains what a system is, showing a diagram of a spring system with an input force producing an output extension. Finally, it briefly discusses CAD/CAM/CAE software used for computer-aided design, manufacturing, and engineering.
This document outlines the course contents for an engineering course on mechatronics. The course will cover topics such as sensors, actuators, control systems, microcontrollers, and interfacing. It will teach students how to integrate mechanical, electrical, and computer systems to design mechatronics products. The course assessments include sessional work, mid-semester exams, end-semester exams, and evaluation of laboratory work.
Unit 1(part-1)Introduction of mechatronicsswathi1998
This document provides an introduction and overview of mechatronics. It defines mechatronics as the synergistic integration of mechanical engineering, electronics, and computer technology for the design of industrial products. Mechatronics evolved from the industrial, semiconductor, and information revolutions to develop highly efficient systems through judicious selection and integration of sensors, actuators, control algorithms, and computer hardware/software. Common mechatronics applications include smart consumer products, medical devices, manufacturing systems, and automotive systems. The key elements of a mechatronics system are discussed as actuators/sensors, signal conditioning, digital logic, software/data acquisition, and computers/displays. Measurement and control systems are also introduced.
This document provides an overview of mechatronics systems and their components. It begins with definitions of mechatronics as the synergistic integration of mechanical engineering, electronics, and computer control. It then discusses the evolution of mechatronics through the industrial, semiconductor, and information revolutions. The document outlines the key elements of mechatronic systems including actuators, sensors, signal conditioning, digital logic systems, software, computers, and displays. It provides examples of measurement systems, open and closed loop control systems, and applications such as speed control, water level control, washing machines, cameras, and engine management.
This document provides an overview of mechatronics systems. It defines mechatronics as the synergistic integration of mechanical engineering, electronics, and computer technology. Mechatronics systems combine sensors, actuators, signal conditioning, power electronics, decision-making algorithms, and computer hardware/software. The document discusses the evolution of mechatronics through the industrial, semiconductor, and information revolutions. It also outlines the key elements of a mechatronics system, including actuators/sensors, signal conditioning, digital logic, software/data acquisition, and computers/displays. Examples of mechatronics applications are provided.
This document provides an introduction and overview of mechatronics. It defines mechatronics as the synergistic integration of mechanical engineering, electronics, and intelligent computer control. It discusses the evolution of mechatronics through the industrial, semiconductor, and information revolutions. Key elements of mechatronic systems are identified as sensors, actuators, signal conditioning, power electronics, decision/control algorithms, and computer hardware/software. Examples of mechatronics applications include smart consumer products, medical devices, manufacturing, automotive, and more. The advantages of adopting a mechatronic approach are also summarized.
This document provides an overview of the Mechatronics and Microprocessor course for the 6th semester of a Mechanical Engineering program. It includes information on the course chapters and units which cover topics like transducers, sensors, actuation systems, signal conditioning, microprocessors, logic functions, and central processing units. It also lists two recommended textbooks for the course and provides definitions and examples of mechatronic systems as well as career paths in the field of mechatronics.
This document provides an overview of the Mechatronics and Microprocessor course for the 6th semester of a Mechanical Engineering program. It includes information on the course chapters and units which cover topics like transducers, sensors, actuation systems, signal conditioning, microprocessors, logic functions, and central processing units. It also lists two recommended textbooks for the course. The document then delves into some of the unit topics at a higher level of detail, providing definitions and examples of mechatronic systems, components, and applications.
The document provides an overview of mechatronics. Some key points:
- Mechatronics is a multidisciplinary field that combines mechanical engineering, electronics, and computer science. It aims to design and manufacture products like smart machines.
- A mechatronic system integrates sensors to collect input data, microprocessors to analyze/control the system, and actuators to respond accordingly. Common examples are robots, automobiles, and factory automation equipment.
- Mechatronic systems have evolved from basic integration of electrical/mechanical components to "smart systems" using microprocessors and advanced control strategies. This enables more intelligent, autonomous behavior.
This document provides an introduction and overview of mechatronics systems. It defines mechatronics as the synergistic integration of mechanical engineering, electronics, and intelligent computer control in the design of industrial products. Mechatronics aims to produce cost-effective, high performance systems by combining sensors, actuators, signal conditioning, power electronics, decision making algorithms, and computer hardware/software. Examples of various mechatronics applications are also provided.
mechatronics ,Process control & automationNavin Yadav
This document provides an overview of mechatronics. It begins with definitions of mechatronics as the synergistic combination of mechanical engineering, electronic engineering, control engineering, and systems design. It describes mechatronics as a multidisciplinary field and traces its origins from electromechanical systems. The document outlines the evolution of mechatronics through four levels and provides examples. It discusses the advantages of mechatronic systems in increasing productivity and flexibility. The document also covers applications in various fields and provides basic concepts in process control automation.
This document outlines the key concepts and components of mechatronic systems across 5 units. It discusses mechatronic system elements like sensors, actuators, signals and systems, computers and logic. It also covers measurement systems, control systems, feedback control, and types of controllers. Examples of mechatronic systems are provided like temperature control, water level control and shaft speed control. The overall document provides a comprehensive introduction to mechatronic systems design and applications.
Design and Testing Ways for Mechatronic Systems IJCI JOURNAL
The elements of a mechatronic system, which are mechanical, electrical and electronic, are interconnected and the connection between the different parts must act as a unit. The
exchange of information between two components of the system is possible if there is a communication in common parameters. The interface refers to all the ways to handle the processes in a system. The number and design of interfaces within an architecture and system boundary significantly influence the simplicity, adaptability, and testability of a system. Interfaces, which are hardware and software, define the functionality of the system by inserting functions from one component to another. The article describes the method of selecting the components
and the way of testing the system during production. Finally, the system must meet the requirements of the customer. The mechatronic system discussed is an industrial product, created in a digital factory.
DESIGN AND TESTING WAYS FOR MECHATRONIC SYSTEMSIJCI JOURNAL
The elements of a mechatronic system, which are mechanical, electrical and electronic, are interconnected
and the connection between the different parts must act as a unit. The exchange of information between two
components of the system is possible if there is a communication in common parameters. The interface
refers to all the ways to handle the processes in a system. The number and design of interfaces within an
architecture and system boundary significantly influence the simplicity, adaptability, and testability of a
system. Interfaces, which are hardware and software, define the functionality of the system by inserting
functions from one component to another. The article describes the method of selecting the components
and the way of testing the system during production. Finally, the system must meet the requirements of the
customer.
The document discusses recent research and developments in electronics and communication engineering. It outlines the typical coursework for an electronics and communication engineering degree, including subjects like signals and systems, digital electronics, communication theory, and wireless communication. It then discusses opportunities in fields like intelligent sensors and wireless sensor networks, intelligent vehicles and smart highways, telehealth, microelectromechanical systems, nanotechnology, robotics, and more. Examples of applications are provided, such as using MEMS sensors in airbags or developing intelligent sensor networks for structural monitoring. Overall technologies are advancing rapidly in areas like wireless healthcare, autonomous vehicles, and applications of nanotechnology, robotics, and automation.
Introduction to Mechatronics, Sensors and Transducerstaruian
Introduction: Definition, Multidisciplinary Scenario, Evolution of Mechatronics, Design of Mechatronics system, Objectives, advantages and disadvantages of Mechatronics
Transducers and sensors: Definition and classification of transducers, Difference between transducer and sensor, Definition and classification of sensors, Principle of working and applications of light sensors, proximity switches and Hall Effect sensors.
To impart knowledge about the elements, techniques and sensors involved in mechatronics systems which are very much essential to understand the emerging field of automation.
Mechatronics originated in 1969 in Japan as the synergistic integration of mechanical engineering with electronics and intelligent computer control in design and manufacturing. It aims to develop embedded distributed computer control systems. Key elements of mechatronics systems include actuators, sensors, signal conditioning, digital logic circuits, software, computers and displays. Common applications include automatic controls in appliances, vehicles, medical devices, and other systems that integrate electrical and mechanical components for increased functionality.
Mechatronics is the synergistic integration of mechanical engineering, electronics, control and systems design engineering. This document provides an introduction to mechatronics including measurement systems, control systems, sensors, actuators, signal conditioning and microprocessors. It discusses open and closed loop control systems and provides examples of mechatronic systems such as a thermostat and central heating system. The document outlines the key components and benefits of mechatronic systems design.
Unit 1(part-1)Introduction of mechatronicsswathi1998
This document provides an introduction and overview of mechatronics. It defines mechatronics as the synergistic integration of mechanical engineering, electronics, and computer technology for the design of industrial products. Mechatronics evolved from the industrial, semiconductor, and information revolutions to develop highly efficient systems through judicious selection and integration of sensors, actuators, control algorithms, and computer hardware/software. Common mechatronics applications include smart consumer products, medical devices, manufacturing systems, and automotive systems. The key elements of a mechatronics system are discussed as actuators/sensors, signal conditioning, digital logic, software/data acquisition, and computers/displays. Measurement and control systems are also introduced.
This document provides an overview of mechatronics systems and their components. It begins with definitions of mechatronics as the synergistic integration of mechanical engineering, electronics, and computer control. It then discusses the evolution of mechatronics through the industrial, semiconductor, and information revolutions. The document outlines the key elements of mechatronic systems including actuators, sensors, signal conditioning, digital logic systems, software, computers, and displays. It provides examples of measurement systems, open and closed loop control systems, and applications such as speed control, water level control, washing machines, cameras, and engine management.
This document provides an overview of mechatronics systems. It defines mechatronics as the synergistic integration of mechanical engineering, electronics, and computer technology. Mechatronics systems combine sensors, actuators, signal conditioning, power electronics, decision-making algorithms, and computer hardware/software. The document discusses the evolution of mechatronics through the industrial, semiconductor, and information revolutions. It also outlines the key elements of a mechatronics system, including actuators/sensors, signal conditioning, digital logic, software/data acquisition, and computers/displays. Examples of mechatronics applications are provided.
This document provides an introduction and overview of mechatronics. It defines mechatronics as the synergistic integration of mechanical engineering, electronics, and intelligent computer control. It discusses the evolution of mechatronics through the industrial, semiconductor, and information revolutions. Key elements of mechatronic systems are identified as sensors, actuators, signal conditioning, power electronics, decision/control algorithms, and computer hardware/software. Examples of mechatronics applications include smart consumer products, medical devices, manufacturing, automotive, and more. The advantages of adopting a mechatronic approach are also summarized.
This document provides an overview of the Mechatronics and Microprocessor course for the 6th semester of a Mechanical Engineering program. It includes information on the course chapters and units which cover topics like transducers, sensors, actuation systems, signal conditioning, microprocessors, logic functions, and central processing units. It also lists two recommended textbooks for the course and provides definitions and examples of mechatronic systems as well as career paths in the field of mechatronics.
This document provides an overview of the Mechatronics and Microprocessor course for the 6th semester of a Mechanical Engineering program. It includes information on the course chapters and units which cover topics like transducers, sensors, actuation systems, signal conditioning, microprocessors, logic functions, and central processing units. It also lists two recommended textbooks for the course. The document then delves into some of the unit topics at a higher level of detail, providing definitions and examples of mechatronic systems, components, and applications.
The document provides an overview of mechatronics. Some key points:
- Mechatronics is a multidisciplinary field that combines mechanical engineering, electronics, and computer science. It aims to design and manufacture products like smart machines.
- A mechatronic system integrates sensors to collect input data, microprocessors to analyze/control the system, and actuators to respond accordingly. Common examples are robots, automobiles, and factory automation equipment.
- Mechatronic systems have evolved from basic integration of electrical/mechanical components to "smart systems" using microprocessors and advanced control strategies. This enables more intelligent, autonomous behavior.
This document provides an introduction and overview of mechatronics systems. It defines mechatronics as the synergistic integration of mechanical engineering, electronics, and intelligent computer control in the design of industrial products. Mechatronics aims to produce cost-effective, high performance systems by combining sensors, actuators, signal conditioning, power electronics, decision making algorithms, and computer hardware/software. Examples of various mechatronics applications are also provided.
mechatronics ,Process control & automationNavin Yadav
This document provides an overview of mechatronics. It begins with definitions of mechatronics as the synergistic combination of mechanical engineering, electronic engineering, control engineering, and systems design. It describes mechatronics as a multidisciplinary field and traces its origins from electromechanical systems. The document outlines the evolution of mechatronics through four levels and provides examples. It discusses the advantages of mechatronic systems in increasing productivity and flexibility. The document also covers applications in various fields and provides basic concepts in process control automation.
This document outlines the key concepts and components of mechatronic systems across 5 units. It discusses mechatronic system elements like sensors, actuators, signals and systems, computers and logic. It also covers measurement systems, control systems, feedback control, and types of controllers. Examples of mechatronic systems are provided like temperature control, water level control and shaft speed control. The overall document provides a comprehensive introduction to mechatronic systems design and applications.
Design and Testing Ways for Mechatronic Systems IJCI JOURNAL
The elements of a mechatronic system, which are mechanical, electrical and electronic, are interconnected and the connection between the different parts must act as a unit. The
exchange of information between two components of the system is possible if there is a communication in common parameters. The interface refers to all the ways to handle the processes in a system. The number and design of interfaces within an architecture and system boundary significantly influence the simplicity, adaptability, and testability of a system. Interfaces, which are hardware and software, define the functionality of the system by inserting functions from one component to another. The article describes the method of selecting the components
and the way of testing the system during production. Finally, the system must meet the requirements of the customer. The mechatronic system discussed is an industrial product, created in a digital factory.
DESIGN AND TESTING WAYS FOR MECHATRONIC SYSTEMSIJCI JOURNAL
The elements of a mechatronic system, which are mechanical, electrical and electronic, are interconnected
and the connection between the different parts must act as a unit. The exchange of information between two
components of the system is possible if there is a communication in common parameters. The interface
refers to all the ways to handle the processes in a system. The number and design of interfaces within an
architecture and system boundary significantly influence the simplicity, adaptability, and testability of a
system. Interfaces, which are hardware and software, define the functionality of the system by inserting
functions from one component to another. The article describes the method of selecting the components
and the way of testing the system during production. Finally, the system must meet the requirements of the
customer.
The document discusses recent research and developments in electronics and communication engineering. It outlines the typical coursework for an electronics and communication engineering degree, including subjects like signals and systems, digital electronics, communication theory, and wireless communication. It then discusses opportunities in fields like intelligent sensors and wireless sensor networks, intelligent vehicles and smart highways, telehealth, microelectromechanical systems, nanotechnology, robotics, and more. Examples of applications are provided, such as using MEMS sensors in airbags or developing intelligent sensor networks for structural monitoring. Overall technologies are advancing rapidly in areas like wireless healthcare, autonomous vehicles, and applications of nanotechnology, robotics, and automation.
Introduction to Mechatronics, Sensors and Transducerstaruian
Introduction: Definition, Multidisciplinary Scenario, Evolution of Mechatronics, Design of Mechatronics system, Objectives, advantages and disadvantages of Mechatronics
Transducers and sensors: Definition and classification of transducers, Difference between transducer and sensor, Definition and classification of sensors, Principle of working and applications of light sensors, proximity switches and Hall Effect sensors.
To impart knowledge about the elements, techniques and sensors involved in mechatronics systems which are very much essential to understand the emerging field of automation.
Mechatronics originated in 1969 in Japan as the synergistic integration of mechanical engineering with electronics and intelligent computer control in design and manufacturing. It aims to develop embedded distributed computer control systems. Key elements of mechatronics systems include actuators, sensors, signal conditioning, digital logic circuits, software, computers and displays. Common applications include automatic controls in appliances, vehicles, medical devices, and other systems that integrate electrical and mechanical components for increased functionality.
Mechatronics is the synergistic integration of mechanical engineering, electronics, control and systems design engineering. This document provides an introduction to mechatronics including measurement systems, control systems, sensors, actuators, signal conditioning and microprocessors. It discusses open and closed loop control systems and provides examples of mechatronic systems such as a thermostat and central heating system. The document outlines the key components and benefits of mechatronic systems design.
International Conference on NLP, Artificial Intelligence, Machine Learning an...gerogepatton
International Conference on NLP, Artificial Intelligence, Machine Learning and Applications (NLAIM 2024) offers a premier global platform for exchanging insights and findings in the theory, methodology, and applications of NLP, Artificial Intelligence, Machine Learning, and their applications. The conference seeks substantial contributions across all key domains of NLP, Artificial Intelligence, Machine Learning, and their practical applications, aiming to foster both theoretical advancements and real-world implementations. With a focus on facilitating collaboration between researchers and practitioners from academia and industry, the conference serves as a nexus for sharing the latest developments in the field.
KuberTENes Birthday Bash Guadalajara - K8sGPT first impressionsVictor Morales
K8sGPT is a tool that analyzes and diagnoses Kubernetes clusters. This presentation was used to share the requirements and dependencies to deploy K8sGPT in a local environment.
Comparative analysis between traditional aquaponics and reconstructed aquapon...bijceesjournal
The aquaponic system of planting is a method that does not require soil usage. It is a method that only needs water, fish, lava rocks (a substitute for soil), and plants. Aquaponic systems are sustainable and environmentally friendly. Its use not only helps to plant in small spaces but also helps reduce artificial chemical use and minimizes excess water use, as aquaponics consumes 90% less water than soil-based gardening. The study applied a descriptive and experimental design to assess and compare conventional and reconstructed aquaponic methods for reproducing tomatoes. The researchers created an observation checklist to determine the significant factors of the study. The study aims to determine the significant difference between traditional aquaponics and reconstructed aquaponics systems propagating tomatoes in terms of height, weight, girth, and number of fruits. The reconstructed aquaponics system’s higher growth yield results in a much more nourished crop than the traditional aquaponics system. It is superior in its number of fruits, height, weight, and girth measurement. Moreover, the reconstructed aquaponics system is proven to eliminate all the hindrances present in the traditional aquaponics system, which are overcrowding of fish, algae growth, pest problems, contaminated water, and dead fish.
Null Bangalore | Pentesters Approach to AWS IAMDivyanshu
#Abstract:
- Learn more about the real-world methods for auditing AWS IAM (Identity and Access Management) as a pentester. So let us proceed with a brief discussion of IAM as well as some typical misconfigurations and their potential exploits in order to reinforce the understanding of IAM security best practices.
- Gain actionable insights into AWS IAM policies and roles, using hands on approach.
#Prerequisites:
- Basic understanding of AWS services and architecture
- Familiarity with cloud security concepts
- Experience using the AWS Management Console or AWS CLI.
- For hands on lab create account on [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
# Scenario Covered:
- Basics of IAM in AWS
- Implementing IAM Policies with Least Privilege to Manage S3 Bucket
- Objective: Create an S3 bucket with least privilege IAM policy and validate access.
- Steps:
- Create S3 bucket.
- Attach least privilege policy to IAM user.
- Validate access.
- Exploiting IAM PassRole Misconfiguration
-Allows a user to pass a specific IAM role to an AWS service (ec2), typically used for service access delegation. Then exploit PassRole Misconfiguration granting unauthorized access to sensitive resources.
- Objective: Demonstrate how a PassRole misconfiguration can grant unauthorized access.
- Steps:
- Allow user to pass IAM role to EC2.
- Exploit misconfiguration for unauthorized access.
- Access sensitive resources.
- Exploiting IAM AssumeRole Misconfiguration with Overly Permissive Role
- An overly permissive IAM role configuration can lead to privilege escalation by creating a role with administrative privileges and allow a user to assume this role.
- Objective: Show how overly permissive IAM roles can lead to privilege escalation.
- Steps:
- Create role with administrative privileges.
- Allow user to assume the role.
- Perform administrative actions.
- Differentiation between PassRole vs AssumeRole
Try at [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
The CBC machine is a common diagnostic tool used by doctors to measure a patient's red blood cell count, white blood cell count and platelet count. The machine uses a small sample of the patient's blood, which is then placed into special tubes and analyzed. The results of the analysis are then displayed on a screen for the doctor to review. The CBC machine is an important tool for diagnosing various conditions, such as anemia, infection and leukemia. It can also help to monitor a patient's response to treatment.
Software Engineering and Project Management - Introduction, Modeling Concepts...Prakhyath Rai
Introduction, Modeling Concepts and Class Modeling: What is Object orientation? What is OO development? OO Themes; Evidence for usefulness of OO development; OO modeling history. Modeling
as Design technique: Modeling, abstraction, The Three models. Class Modeling: Object and Class Concept, Link and associations concepts, Generalization and Inheritance, A sample class model, Navigation of class models, and UML diagrams
Building the Analysis Models: Requirement Analysis, Analysis Model Approaches, Data modeling Concepts, Object Oriented Analysis, Scenario-Based Modeling, Flow-Oriented Modeling, class Based Modeling, Creating a Behavioral Model.
CHINA’S GEO-ECONOMIC OUTREACH IN CENTRAL ASIAN COUNTRIES AND FUTURE PROSPECTjpsjournal1
The rivalry between prominent international actors for dominance over Central Asia's hydrocarbon
reserves and the ancient silk trade route, along with China's diplomatic endeavours in the area, has been
referred to as the "New Great Game." This research centres on the power struggle, considering
geopolitical, geostrategic, and geoeconomic variables. Topics including trade, political hegemony, oil
politics, and conventional and nontraditional security are all explored and explained by the researcher.
Using Mackinder's Heartland, Spykman Rimland, and Hegemonic Stability theories, examines China's role
in Central Asia. This study adheres to the empirical epistemological method and has taken care of
objectivity. This study analyze primary and secondary research documents critically to elaborate role of
china’s geo economic outreach in central Asian countries and its future prospect. China is thriving in trade,
pipeline politics, and winning states, according to this study, thanks to important instruments like the
Shanghai Cooperation Organisation and the Belt and Road Economic Initiative. According to this study,
China is seeing significant success in commerce, pipeline politics, and gaining influence on other
governments. This success may be attributed to the effective utilisation of key tools such as the Shanghai
Cooperation Organisation and the Belt and Road Economic Initiative.
artificial intelligence and data science contents.pptxGauravCar
What is artificial intelligence? Artificial intelligence is the ability of a computer or computer-controlled robot to perform tasks that are commonly associated with the intellectual processes characteristic of humans, such as the ability to reason.
› ...
Artificial intelligence (AI) | Definitio
Advanced control scheme of doubly fed induction generator for wind turbine us...IJECEIAES
This paper describes a speed control device for generating electrical energy on an electricity network based on the doubly fed induction generator (DFIG) used for wind power conversion systems. At first, a double-fed induction generator model was constructed. A control law is formulated to govern the flow of energy between the stator of a DFIG and the energy network using three types of controllers: proportional integral (PI), sliding mode controller (SMC) and second order sliding mode controller (SOSMC). Their different results in terms of power reference tracking, reaction to unexpected speed fluctuations, sensitivity to perturbations, and resilience against machine parameter alterations are compared. MATLAB/Simulink was used to conduct the simulations for the preceding study. Multiple simulations have shown very satisfying results, and the investigations demonstrate the efficacy and power-enhancing capabilities of the suggested control system.
Discover the latest insights on Data Driven Maintenance with our comprehensive webinar presentation. Learn about traditional maintenance challenges, the right approach to utilizing data, and the benefits of adopting a Data Driven Maintenance strategy. Explore real-world examples, industry best practices, and innovative solutions like FMECA and the D3M model. This presentation, led by expert Jules Oudmans, is essential for asset owners looking to optimize their maintenance processes and leverage digital technologies for improved efficiency and performance. Download now to stay ahead in the evolving maintenance landscape.
Batteries -Introduction – Types of Batteries – discharging and charging of battery - characteristics of battery –battery rating- various tests on battery- – Primary battery: silver button cell- Secondary battery :Ni-Cd battery-modern battery: lithium ion battery-maintenance of batteries-choices of batteries for electric vehicle applications.
Fuel Cells: Introduction- importance and classification of fuel cells - description, principle, components, applications of fuel cells: H2-O2 fuel cell, alkaline fuel cell, molten carbonate fuel cell and direct methanol fuel cells.
1. 1
ME8791
MECHATRONICS
AU Regulation 2017
Dr. S. Ponsuriyaprakash,
AP/Mech, SSMIET.
SSM INSTITUTE OF ENGINEERING AND TECHNOLOGY
"(Approved by AICTE, New Delhi / Affiliated to Anna University / Accredited by NACC)
(Accredited by NBA- ECE, EEE and MECH UG Programs)
Dindigul – Palani Highway, Dindigul – 624 002"
2. 2
OBJECTIVE:
To impart knowledge about the elements and techniques involved in Mechatronics systems which are very much
essential to understand the emerging field of automation.
UNIT I MECHATRONICS, SENSORS AND TRANSDUCERS 9
Introduction to Mechatronics – Systems – Concepts of Mechatronics approach – Need for Mechatronics – Emerging
areas of Mechatronics – Classification of Mechatronics. Sensors and Transducers: Static and dynamic Characteristics
of Sensor, Potentiometers – LVDT – Capacitance sensors – Strain gauges – Eddy current sensor – Hall effect sensor –
Temperature sensors – Light sensors
UNIT II MICROPROCESSOR AND MICROCONTROLLER 9
Introduction – Architecture of 8085 – Pin Configuration – Addressing Modes –Instruction set, Timing diagram of 8085
– Concepts of 8051 microcontroller – Block diagram.
UNIT III PROGRAMMABLE PERIPHERAL INTERFACE 9
Introduction – Architecture of 8255, Keyboard interfacing, LED display –interfacing, ADC and DAC interface,
Temperature Control – Stepper Motor Control – Traffic Control interface.
UNIT IV PROGRAMMABLE LOGIC CONTROLLERS 9
Introduction – Basic structure – Input and output processing – Programming – Mnemonics – Timers, counters and
internal relays – Data handling – Selection of PLC.
UNIT V ACTUATORS AND MECHATRONIC SYSTEM DESIGN 9
Types of Stepper and Servo motors – Construction – Working Principle – Advantages and Disadvantages. Design
process-stages of design process – Traditional and Mechatronics design concepts – Case studies of Mechatronics
systems – Pick and place Robot – Engine Management system – Automatic car park barrier.
OTAL: 45 PERIODS
3. 3
OUTCOMES:
Upon the completion of this course the students will be able to
CO1 Discuss the interdisciplinary applications of Electronics, Electrical, Mechanical
and Computer Systems for the Control of Mechanical, Electronic Systems and sensor
technology.
CO2 Discuss the architecture of Microprocessor and Microcontroller, Pin Diagram,
Addressing Modes of Microprocessor and Microcontroller.
CO3 Discuss Programmable Peripheral Interface, Architecture of 8255 PPI, and
various device interfacing
CO4 Explain the architecture, programming and application of programmable logic
controllers to problems and challenges in the areas of Mechatronic engineering.
CO5 Discuss various Actuators and Mechatronics system using the knowledge and
skills acquired through the course and also from the given case studies
4. 4
Text books
1. Bolton,W, “Mechatronics” , Pearson education, second edition,
fifth Indian Reprint, 2003
2. Ramesh S Gaonkar, “Microprocessor Architecture, Programming,
and Applications with the 8085”, 5th Edition, PrenticeHall, 2008.
REFERENCES
1. Michael B.Histand and Davis G.Alciatore, “Introduction to Mechatronics and
Measurement systems”, McGraw Hill International edition, 2007.
2. Bradley D.A, Dawson D, Buru N.C and Loader A.J, “Mechatronics”, Chapman
and Hall, 1993.
3.Smaili.A and Mrad.F , “Mechatronics Integrated Technologies for Intelligent
Machines”,Oxford University Press, 2007.
4. Devadas Shetty and Richard A. Kolk, “Mechatronics Systems Design”, PWS
publishing
company, 2007.
5. Krishna Kant, “Microprocessors & Microcontrollers”, Prentice Hall of India,
2007.
6. Clarence W,de Silva, "Mechatronics" CRC Press, First Indian Re-print, 2013
5. 5
UNIT I MECHATRONICS, SENSORS
AND TRANSDUCERS
– Introduction to Mechatronics
• Systems
• Concepts of Mechatronics approach
• Need for Mechatronics
• Emerging areas of Mechatronics
• Classification of Mechatronics.
– Sensors and Transducers:
• Static and dynamic Characteristics of Sensor,
• Potentiometers
• LVDT
• Capacitance.
• Strain gauges
• Eddy current sensor
• Hall effect sensor
• Temperature sensors
• Light sensors
7. Mechatronics Definition…
• “The name [mechatronics] was coined by Ko Kikuchi, now president of Yasakawa
Electric Co., Chiyoda-Ku, Tokyo.”
– R. Comerford, “Mecha … what?” IEEE Spectrum, 31(8), 46-49, 1994.
• “The word, mechatronics is composed of mecha from mechanics and tronics
from electronics. In other words, technologies and developed products will be
incorporating electronics more and more into mechanisms, intimately and
organically, and making it impossible to tell where one ends and the other
begins.”
– T. Mori, “Mechatronics,” Yasakawa Internal Trademark Application Memo, 21.131.01,
July 12, 1969.
Mechatronics
mecha
tronics
Eletronics
Mechanics
7
8. 8
Mechatronics Definition…
• “Integration of electronics, control engineering, and mechanical engineering.”
– W. Bolton, Mechatronics: Electronic Control Systems in Mechanical Engineering,
Longman, 1995.
• “Application of complex decision making to the operation of physical systems.”
– D. M. Auslander and C. J. Kempf, Mechatronics: Mechanical System Interfacing,
Prentice-Hall, 1996.
• “Synergistic integration of mechanical engineering with electronics and
intelligent computer control in the design and manufacturing of industrial
products and processes.”
– F. Harshama, M. Tomizuka, and T. Fukuda, “Mechatronics-what is it, why, and how?-
and editorial,” IEEE/ASME Trans. on Mechatronics, 1(1), 1-4, 1996.
9. 9
Mechatronics Definition…
• “Synergistic use of precision engineering, control theory, computer science, and
sensor and actuator technology to design improved products and processes.”
– S. Ashley, “Getting a hold on mechatronics,” Mechanical Engineering, 119(5), 1997.
• “Methodology used for the optimal design of electromechanical products.”
– D. Shetty and R. A Kolk, Mechatronics System Design, PWS Pub. Co., 1997.
• “Field of study involving the analysis, design, synthesis, and selection of systems
that combine electronics and mechanical components with modern controls and
microprocessors.”
– D. G. Alciatore and M. B. Histand, Introduction to Mechatronics and Measurement
Systems, McGraw Hill, 1998.
• Aside: Web site devoted to definitions of mechatronics:
– http://www.engr.colostate.edu/~dga/mechatronics/definitions.html
10. Mechatronics is the synergistic integration of
sensors,
electronics,
actuators, signal conditioning, power
decision and control algorithms, and
computer hardware and software to manage complexity,
uncertainty, and communication in engineered systems.
Working Definition
10
11. System
System Output
Input
System is indicated by a box where the input
and output is the responsibility of the system. So
that system is called the interconnection of some
components or elements to perform useful work.
11
12. 12
A system can be thought of as a box or a
bounded whole which has input and output
elements, and a set of relationships between
these elements.
Figure shows a typical spring system. It has
‘force’ as an input which produces an
‘extension’. The input and output of this system
follows the Hooke’s law F = –kx, where F is force
in N, x is distance in m and k is stiffness of the
spring.
19. Emerging Areas of Mechatronics
20
Mechatronics has a variety of applications as
products and systems in the area of ‘manufacturing
automation’. Some of these applications are as
follows:
1. Computer numerical control (CNC) machines
2. Tool monitoring systems
3. Advanced manufacturing systems
a. Flexible manufacturing system (FMS)
b. Computer integrated manufacturing (CIM)
4. Industrial robots
5. Automatic inspection systems: machine vision
systems
20. 20
6. Automatic packaging systems
7.Smart consumer products: home security, camera,
microwave oven, toaster, dish washer, laundry washer-dryer,
climate control units, etc.
8. Medical: implant-devices, assisted surgery, etc.
9. Defense: unmanned air, ground, and underwater vehicles,
smart munitions, jet engines, etc.
10.Manufacturing: robotics, machines, processes, etc.
Manufacturing: robotics, machines, processes, etc.
11.Automotive: climate control, antilock brake, active
suspension, cruise control, air bags, engine management,
safety, etc.
12. Network-centric, distributed systems: distributed robotics,
tele-robotics, intelligent highways, etc.
21. 21
Classification of Mechatronics
Based on the application of basic
theories used, mechatronics systems
are classified as follows:
•Conventional mechatronic systems
•Micro electromechanical
- Micro mechatronic systems (MEMS)
•Nano electromechanical
- Micro mechatronic systems (NEMS)
22. 22
Based on the technologies incorporated and product
features, Japan Society Promotion of Machine Industry
(JSPMI) classifies mechatronics products into following four
categories.
•Case I
Primarily mechanical products with electronic are
incorporated to enhance functionality.
e.g. NC machines tools and variable speed drives in
manufacturing machines.
•Case II
Traditional mechanical systems with significantly updated
internal devices are incorporating electronics. The external
user interfaces are unaltered.
e.g. Modern sewing machine and automated
manufacturing systems.
23. 23
•Case III
Systems are that retain the functionality of
traditional mechanical systems but the internal
mechanisms are replaced by electronics.
e.g. Digital watch, automatic camera.
•Case IV
Products are designed with mechanical and
electronic technologies through synergistic
integration.
e.g. Photocopiers, intelligent washers and
dryers, rice cookers and automatic ovens.
24. 24
Sensors and Actuators
• Sensor
A device that converts an environmental
condition into an electrical signal.
• Actuator
A device that converts a control signal
(usually electrical) into mechanical action
(motion).
(Taken together, sensors, actuators, controllers,
and power supply form the basic elements of
a control system.)
25. 25
A good sensor obeys the following rules
• Is sensitive to the measured property
• Is insensitive to any other property likely
to be encountered in its application
• Does not influence the measured
property
26. 26
Characteristics of sensor
• The sensitivity may in practice differ from the value
specified. This is called a sensitivity error, but the sensor is
still linear.
•
• Since the range of the output signal is always limited, the
output signal will eventually reach a minimum or maximum
when the measured property exceeds the limits. The full
scale range defines the maximum and minimum values of
the measured property.
•
• If the output signal is not zero when the measured property
is zero, the sensor has an offset or bias. This is defined as
the output of the sensor at zero input.
27. 27
• Long term drift usually indicates a slow degradation of sensor
properties over a long period of time.
•
• Noise is a random deviation of the signal that varies in time.
• Hysteresis is an error caused by when the measured property
reverses direction, but there is some finite lag in time for the
sensor to respond, creating a different offset error in one
direction than in the other.
• If the sensor has a digital output, the output is essentially an
approximation of the measured property. The approximation
error is also called digitization error.
•
28. 28
Transducers
• It is defined as an element when subjected to
some physical change experiences a related
change or an element which converts a
specified measurand into a usable output by
using a transduction principle.
•
• It can also be defined as a device that converts
a signal from one form of energy to another
form.
29. 29
Sensor/transducers specifications
• Transducers or measurement systems are not perfect
systems. Mechatronics design engineer must know the
capability and shortcoming of a transducer or
measurement system to properly assess its performance.
There are a number of performance related parameters of
a transducer or measurement system. These parameters
are called as sensor specifications.
• Sensor specifications inform the user to the about
deviations from the ideal behavior of the sensors. Following
are the various specifications of a sensor/transducer
system.
30. 30
1. Range
The range of a sensor indicates the limits between which the input
can vary. For example, a thermocouple for the measurement of
temperature might have a range of 25-225 °C.
2. Span
The span is difference between the maximum and minimum values
of the input. Thus, the above-mentioned thermocouple will have a
span of 200 °C.
3. Error
Error is the difference between the result of the measurement and
the true value of the quantity being measured. A sensor might give
a displacement reading of 29.8 mm, when the actual displacement
had been 30 mm, then the error is –0.2 mm.
31. 31
4. Accuracy
The accuracy defines the closeness of the agreement between
the actual measurement result and a true value of the
measurand. It is often expressed as a percentage of the full
range output or full–scale deflection. A piezoelectric
transducer used to evaluate dynamic pressure phenomena
associated with explosions, pulsations, or dynamic pressure
conditions in motors, rocket engines, compressors, and other
pressurized devices is capable to detect pressures between 0.1
and 10,000 psig (0.7 KPa to 70 MPa). If it is specified with the
accuracy of about ±1% full scale, then the reading given can be
expected to be within ± 0.7 MPa.
5. Sensitivity
Sensitivity of a sensor is defined as the ratio of change in
output value of a sensor to the per unit change in input value
that causes the output change. For example, a general purpose
thermocouple may have a sensitivity of 41 µV/°C.
32. 6. Nonlinearity
The nonlinearity indicates the maximum
deviation of the actual measured curve of a
sensor from the ideal curve. Figure 1.3
shows a somewhat exaggerated relationship
between the ideal, or least squares fit, line
and the actual measured or calibration line.
Linearity is often specified in terms of
percentage of nonlinearity, which is defined
as:
Nonlinearity (%) = Maximum deviation in
input / Maximum full scale input figure
below.
The static nonlinearity defined by figure
below is dependent upon environmental
factors, including temperature, vibration,
acoustic noise level, and humidity.
Therefore it is important to know under
what conditions the specification is valid.
32
33. 7. Hysteresis
34
The hysteresis is an error of a sensor, which is
defined as the maximum difference in output
at any measurement value within the sensor’s
specified range
When approaching the point
first with increasing and then
with decreasing the input
parameter. Figure shows the
hysteresis error might have
occurred during measurement of
temperature using a
thermocouple. The hysteresis
error value is normally specified
as a positive or negative
percentage of the specified input
range.
34. 8. Resolution
Resolution is the smallest detectable incremental change of input
parameter that can be detected in the output signal. Resolution can be
expressed either as a proportion of the full-scale reading or in absolute
terms. For example, if a LVDT sensor measures a displacement up to 20
mm and it provides an output as a number between 1 and 100 then the
resolution of the sensor device is 0.2 mm.
9. Stability
Stability is the ability of a sensor device to give same output when used to
measure a constant input over a period of time. The term ‘drift’ is used to
indicate the change in output that occurs over a period of time. It is
expressed as the percentage of full range output.
10. Dead band/time
The dead band or dead space of a transducer is the range of input values
for which there is no output. The dead time of a sensor device is the time
duration from the application of an input until the output begins to
respond or change.
35. 35
11. Repeatability
It specifies the ability of a sensor to give same output
for repeated applications of same input value. It is
usually expressed as a percentage of the full range
output: Repeatability = (maximum – minimum values
given) X 100 / full range (Figure Hysteresis Error
Curve)
Response time
Response time describes the speed of change in the
output on a step-wise change of the measurand. It is
always specified with an indication of input step and
the output range for which the response time is
defined.
36. 36
Classification of sensors
• Sensors can be classified into various groups
according to the factors such as measurand,
application fields, conversion principle, energy
measurand
domain of the
thermodynamic considerations.
classification of sensors in view of
and
Detail
their
applications in manufacturing is as follows.
37. Displacement, position and proximity
sensors
• Potentiometer
• Strain-gauged element
• Capacitive element
• Differential transformers
• Eddy current proximity sensors
• Inductive proximity switch
• Optical encoders
• Pneumatic sensors
• Proximity switches (magnetic)
• Hall effect sensors
37
40. UNIT II MICROPROCESSOR AND
MICROCONTROLLER
Introduction:
Architecture of 8085
Pin Configuration
Addressing Modes
Instruction set, Timing diagram of 8085
Concepts of 8051 microcontroller
Block diagram,.
41
47. 47
Microprocessor
• CPU is stand-alone, RAM,
ROM, I/O, timer are separate
• designer can decide on the
amount of ROM, RAM and I/O
ports.
• expansive
• versatility
• general-purpose
Microcontroller
• CPU, RAM, ROM, I/O and
timer are all on a single chip
• fix amount of on-chip ROM,
RAM, I/O ports
• for applications in which cost,
power and space are critical
• single-purpose
Microprocessor vs. Microcontroller
90. 8051 microcontroller
A Microcontroller is a VLSI IC that contains a CPU
(Processor) along with some other peripherals like
Memory (RAM and ROM), I/O Ports, Timers/Counters,
Communication Interface, ADC, etc.
91. On the contrary, a
(which was
Microprocessor
developed
Microcontroller)
before
is just a
Processor (CPU) and doesn’t
have the above mentioned
peripherals. In order to make
it work
around
interface
or build a system
it, we need to
the peripherals
separately.
Until the development of
Microcontrollers, almost all
process and control tasks
were implemented using
Microprocessors. As
Microprocessor need the
additional peripherals to
work as a system, the
overall cost of the control
system was high.
92. Concepts of 8051 microcontroller
• 8051 microcontroller is designed by Intel in
1981. It is an 8-bit microcontroller. It is built
with 40 pins DIP (dual inline package), 4kb of
ROM storage and 128 bytes of RAM storage,
2 16-bit timers. It consists of are four parallel
8-bit ports, which are programmable as well as
addressable as per the requirement. An on-chip
crystal oscillator is integrated in the
microcontroller having crystal frequency of 12
MHz.
93. Brief History of 8051
• The first microprocessor 4004 was invented by Intel
Corporation. 8085 and 8086 microprocessors were
also invented by Intel. In 1981, Intel introduced an 8-
bit microcontroller called the 8051. It was referred
as system on a chip because it had 128 bytes of
RAM, 4K byte of on-chip ROM, two timers, one serial
port, and 4 ports (8-bit wide), all on a single chip.
When it became widely popular, Intel allowed other
manufacturers to make and market different flavors
of 8051 with its code compatible with 8051. It
means that if you write your program for one flavor
of 8051, it will run on other flavors too, regardless of
the manufacturer. This has led to several versions
with different speeds and amounts of on-chip RAM.
94. Comparison between 8051 Family Members
Feature 8051 8052 8031
ROM(bytes) 4K 8K 0K
RAM(bytes) 128 256 128
Timers 2 3 2
I/O pins 32 32 32
Serial port 1 1 1
Interrupt
sources
6 8 6
The following table compares the features available in 8051, 8052, and 8031.
95. Architecture of 8051 Microcontroller
• Let us now discuss the architecture of 8051
Microcontroller.
• In the next following diagram, the system bus
connects all the support devices to the CPU. The
system bus consists of an 8-bit data bus, a 16-bit
address bus and bus control signals. All other
devices like program memory, ports, data
memory, serial interface, interrupt control,
timers, and the CPU are all interfaced together
through the system bus.
98. Features of 8051 Microcontroller
An 8051 microcontroller comes bundled with the following features
• 8 – Bit ALU: ALU or Arithmetic Logic Unit is the heart of a microcontroller. It
performs arithmetic and bitwise operation on binary numbers. The ALU in 8051
is an 8 – Bit ALU i.e. it can perform operations on 8 – bit data.
• 8 – Bit Accumulator:The Accumulator is an important register associated with
the ALU. The accumulator in 8051 is an 8 – bit register.
• RAM: 8051 Microcontroller has 128 Bytes of RAM which includes SFRs and Input
/ Output Port Registers.
• ROM: 8051 has 4 KB of on-chip ROM (Program Memory).
• I/O Ports: 8051 has four 8 – bit Input / Output Ports which are bit addressable
and bidirectional.
• Timers / Counters: 8051 has two 16 – bit Timers / Counters.
• Serial Port: 8051 supports full duplex UART Communication.
• External Memory: 8051Microcontroller can access two 16 – bit address line at
once: one each for RAM and ROM. The total external memory that an 8051
Microcontroller can access for RAM and ROM is 64KB (216 for each type).
• Additional Features: Interrupts, on-chip oscillator, Boolean Processor, Power
Down Mode, etc.
– NOTE: Some of the features like size of RAM and ROM, number of Timers, etc. are
not generic. They vary by manufacturer.
99.
100.
101. • Reduced instruction set computer (RISC)
– The
include
many
ARC,
varieties
Alpha,
of
Am29000,
RISC
ARM,
designs
Atmel
AVR, Blackfin, i860, i960, M88000, MIPS, PA-RISC, Power
ISA (including PowerPC), RISC-V, SuperH, and SPARC. The use of ARM
architecture processors in smartphones and tablet computers such as
the iPad and Android devices provided a wide user base for RISC-based
systems. RISC processors are also used in supercomputers, such as Fugaku,
which, as of June 2020, is the world's fastest supercomputer.
• Complex instruction set computer (CISC)
– is a computer in which single instructions can execute several low-level
operations (such as a load from memory, an arithmetic operation, and
a memory store) or are capable of multi-step operations or addressing
modes within single instructions. The term was retroactively coined in
contrast to reduced instruction set computer.
– Examples of instruction set architectures that have been retroactively
labeled CISC are System/360 through z/Architecture, the PDP-
11 and VAX architectures, Data General Nova and many others.
– Well known microprocessors and microcontrollers that have also been
labeled CISC in many academic publications include the Motorola
6800, 6809 and 68000-families; the Intel 8080, iAPX432 and x86-family; the
Zilog Z80, Z8 and Z8000-families; and others
102.
103. Pins 1 to 8 − These pins are known as Port 1. This port doesn’t serve
any other functions. It is internally pulled up, bi-directional I/O port.
Pin 9 − It is a RESET pin, which is used to reset the microcontroller to
its initial values.
Pins 10 to 17 − These pins are known as Port 3. This port serves some
functions like interrupts, timer input, control signals, serial
communication signals RxD and TxD, etc.
Pins 18 & 19 − These pins are used for interfacing an external crystal
to get the system clock.
Pin 20 − This pin provides the power supply to the circuit.
Pins 21 to 28 − These pins are known as Port 2. It serves as I/O port.
Higher order address bus signals are also multiplexed using this port.
Pin 29 − This is PSEN pin which stands for Program Store Enable. It is
used to read a signal from the external program memory.
Pin 30 − This is EA pin which stands for External Access input. It is
used to enable/disable the external memory interfacing.
104. Pin 31 − This is ALE pin which stands for Address Latch Enable.
It is used to demultiplex the address-data signal of port.
Pins 32 to 39 − These pins are known as Port 0. It serves as I/O
port. Lower order address and data bus signals are multiplexed
using this port.
Pin 40 − This pin is used to provide power supply to the circuit.
8051 microcontrollers have 4 I/O ports each of 8-bit, which can be
configured as input or output. Hence, total 32 input/output pins allow
the microcontroller to be connected with the peripheral devices.
Pin configuration, i.e. the pin can be configured as 1 for input and 0
for output as per the logic state.
Input/Output (I/O) pin − All the circuits within the
microcontroller must be connected to one of its pins except P0
port because it does not have pull-up resistors built-in.
Input pin − Logic 1 is applied to a bit of the P register. The output
FE transistor is turned off and the other pin remains connected to
the power supply voltage over a pull-up resistor of high
resistance.
105. Port 0 − The P0 (zero) port is characterized by two functions −
•When the external memory is used then the lower address
byte (addresses A0A7) is applied on it, else all bits of this port
are configured as input/output.
•When P0 port is configured as an output then other ports
consisting of pins with built-in pull-up resistor connected by its
end to 5V power supply, the pins of this port have this resistor
left out.
Output Configuration
When the pin is configured as an output, then it acts as an
“open drain”. By applying logic 0 to a port bit, the
appropriate pin will be connected to ground (0V), and
applying logic 1, the external output will keep on “floating”.
In order to apply logic 1 (5V) on this output pin, it is
necessary to build an external pullup resistor.
106. Port 1
P1 is a true I/O port as it doesn’t have any alternative
functions as in P0, but this port can be configured as
general I/O only. It has a built-in pull-up resistor and is
completely compatible with TTL circuits.
Port 2
P2 is similar to P0 when the external memory is used.
Pins of this port occupy addresses intended for the
external memory chip. This port can be used for higher
address byte with addresses A8-A15. When no memory
is added then this port can be used as a general
input/output port similar to Port 1.
Port 3
In this port, functions are similar to other ports except
that the logic 1 must be applied to appropriate bit of the
P3 register.
107. Pins Current Limitations
When pins are configured as an output (i.e. logic 0),
then the single port pins can receive a current of
1), then
10mA.
When these pins are configured as inputs (i.e. logic
built-in pull-up resistors provide very weak current, but can
activate up to 4 TTL inputs of LS series.
If all 8 bits of a port are active, then the total current must be
limited to 15mA (port P0: 26mA).
maximum current
If all ports (32 bits) are active, then the total
must be limited to 71mA.
Interrupts are the events that temporarily suspend the main
program, pass the control to the external sources and execute their task.
It then passes the control to the main program where it had left off.
8051 has 5 interrupt signals, i.e. INT0, TFO, INT1, TF1, RI/TI. Each
interrupt can be enabled or disabled by setting bits of the IE register and
the whole interrupt system can be disabled by clearing the EA bit of the
same register.
117. Applications of 8051 Microcontroller
• Even with the development of many advanced and superior Microcontrollers,
8051 Microcontroller is still being used in many embedded system and
applications.
• Some of the applications of 8051 Microcontroller are mentioned below:
– Consumer Appliances (TV Tuners, Remote controls, Computers, Sewing
Machines, etc.)
– Home Applications (TVs, VCR, Video Games, Camcorder, Music Instruments,
Home Security Systems, Garage Door Openers, etc.)
– Communication Systems (Mobile Phones, Intercoms, Answering Machines,
Paging Devices, etc.)
– Office (Fax Machines, Printers, Copiers, Laser Printers, etc.)
– Automobiles (Air Bags, ABS, Engine Control, Transmission Control,
Temperature Control, Keyless Entry, etc)
– Aeronautical and Space
– Medical Equipment
– Defense Systems
– Robotics
– Industrial Process and Flow Control
– Radio and Networking Equipment
– Remote Sensing
118.
119.
120.
121.
122.
123.
124.
125.
126.
127.
128. UNIT III PROGRAMMABLE PERIPHERAL
INTERFACE
Introduction :
Architecture of 8255,
Keyboard interfacing,
LED display – interfacing,
ADC and DAC interface,
Temperature Control
Stepper Motor Control
Traffic Control interface.
129
Dr.V. KANDAVEL, Asp/Mech. SSMIET, DGL-2
129. Programmable peripheral interface 8255
• PPI 8255 is a general purpose programmable I/O device
designed to interface the CPU with its outside world such as
ADC, DAC, keyboard etc. We can program it according to the
given condition. It can be used with almost any
microprocessor.
• It consists of three 8-bit bidirectional I/O ports i.e. PORT A,
PORT B and PORT C. We can assign different ports as input or
output functions.
• It consists of 40 pins and operates in +5V regulated power
supply. Port C is further divided into two 4-bit ports i.e. port C
lower and port C upper and port C can work in either BSR (bit
set rest) mode or in mode 0 of input-output mode of 8255.
Port B can work in either mode or in mode 1 of input-output
mode. Port A can work either in mode 0, mode 1 or mode 2 of
input-output mode.
130.
131.
132.
133.
134.
135.
136.
137.
138.
139.
140.
141.
142.
143.
144.
145.
146.
147.
148. • PA0 – PA7 – Pins of port A
• PB0 – PB7 – Pins of port B
• PC0 – PC7 – Pins of port C
• D0 – D7 – Data pins for the transfer of data
• RESET – Reset input
• RD’ – Read input
• WR’ – Write input
• CS’ – Chip select
• A1 and A0 – Address pins
149.
150.
151.
152.
153.
154.
155.
156.
157.
158.
159.
160.
161.
162.
163.
164.
165.
166.
167.
168.
169.
170.
171.
172.
173.
174.
175.
176.
177.
178.
179.
180.
181.
182.
183.
184.
185.
186.
187.
188.
189.
190.
191.
192. 192
UNIT IV PROGRAMMABLE LOGIC
CONTROLLER
– Introduction:-
Basic Structure and Input / Output
Processing
Programming
Mnemonics
Timers and Internal relays and counters
Shift Registers
Master and Jump Controls
Data Handling and Analogs Input / Output
Selection of a PLC
193. PLCs
(Definition according to NEMA standard ICS3-1978)
A digitally operating electronic apparatus
programming memory for the internal storage of
which uses a
instructions for
implementing specific functions such as logic, sequencing, timing,
counting and arithmetic to control through digital or analog modules,
various types of machines or process.
PLCs were designed to replace relay logic systems. These PLCs
were programmed in "ladder logic", which strongly resembles a
schematic diagram of relay logic. This program notation was chosen to
reduce training demands for the existing technicians. Other early PLCs
used a form of instruction list programming, based on a stack-based
logic solver
193
195. The Hydramatic Division of the General Motors Corporation specified
the design criteria for the first programmable controller in 1968
Their primary goal
To eliminate the high costs associated with inflexible, relay-
controlled systems.
In 1968 GM Hydra-Matic (the automatic transmission division of General
Motors) issued a request for proposals for an electronic replacement for hard-wired relay
systems based on a white paper written by engineer Edward R. Clark. The winning
proposal came from Bedford Associates of Bedford, Massachusetts.
History:
1968 Programmable concept developed
1969 Hardware CPU controller, with logic
instructions, 1 K of memory and 128 I/O points
1974 Use of several (multi) processors within a
PLC - timers and counters; arithmetic
operations; 12 K of memory and 1024 I/O points
1976 Remote input/output systems introduced
1977 Microprocessors - based PLC introduced
195
196. The functionality of the PLC has evolved over the years to
include sequential relay control, motion control, process
control, distributed control systems and networking. The data
handling, storage, processing power and communication
capabilities of some modern PLCs are approximately equivalent
to desktop computers. PLC-like programming combined with
remote I/O hardware, allow a general-purpose desktop computer
to overlap some PLCs in certain applications. Regarding the
practicality of these desktop computer based logic controllers
196
197. Major Components of a Common PLC
PROCESSOR
POWER
SUPPLY
I M
N O
P D
U U
T L
E
O M
U O
T D
P U
U L
T E
PROGRAMMING
DEVICE
From
SENSORS
Pushbuttons,
contacts,
limit switches,
etc.
To
OUTPUT
Solenoids,
contactors,
alarms
etc.
197
199. Contd.,
Dr.V. KANDAVEL, As 200
A structure of
PLC program is designed
to increase its
effectiveness in matching
CNC system to machine
logic controller
system using
Programmable
(PLC) is a control
electronic operations. Its easy storing
procedures, handy extending principles,
functions of sequential/position control,
timed counting and input/output control
are widely applied to the field of
industrial automation control.
200. Input / Output
The I/O module units form the interface between the microelectronics of
the programmable controller and the real world outside, and must
therefore provide all necessary signal conditioning and isolation
functions. This often allows a PLC to be directly connected to process
actuators and input devices without the need for intermediate circuitry
or relays.
200
202. Processing
203
All automated equipment is likely to have an initial or home position.
This is the position that all of its actuators will adopt prior to the operation of
the equipment. Therefore to signify and initialize a basic position for the
equipment, the home position of each actuator can be combined logically and
programmed as a step in a sequential process.
For example in a simple drill system that comprises of a drill cylinder and a
clamp cylinder as shown in Fig 1, the initial position can be defined as:
Drill cylinder retracted
Clamp cylinder retracted
Process status is often displayed using
indicator lamps or alarms, etc. Such elements are
programmed in this section of the software.
Standard logic instructions
The processing potential of binary signals can
be described using the three basic operations:
AND / OR / NOT (negation)
These basic logic operations can be used to solve
combinational control problems.
203. Programming
2 204
Programming
•Plan your program on paper first! Don’t just power up your PLC and start
keying in elements. 80% of your time should be spent working out the program,
and only 20% keying it in.
• Keep documentation of all elements used in the program – add comments as
necessary.
• Assume the program will find every error sequence possible – design safety
into it!
• Keep programs simple and readable. Comments would be helpful.
• Try sectional development and testing if possible.
• Use forcing and monitoring functions to observe program operation in
situations where it is safe to do so.
As example to illustrate how a ladder diagram, show in
is translated from the Boolean equation based on the
given requirement below: -
To operate valve Y1 limit switches A and B and valve X
are activated and both switch C and valve Z are not
activated. Valve Y1 will also operate if switch D and
valve X are activated and both level switch C and valve Z
are not activated
205. For process control, it is desired to have the process start (by turning on a
motor) five seconds after a part touches a limit switch. The process is
terminated automatically when the finished part touches a second limit
switch. An emergency switch will stop the process any time when it is
pushed.
L1
LS1 LS2
PB1 R1
R1
R1
TIMER
R2
PR=5
LS1
205
PB1
LS2
R1
TIMER
5
Motor
R2
Contd.,
209. Timer
A timer consists of an internal clock, a count value register, and
an accumulator. It is used for or some timing purpose.
Clock
Accumulator
contact
reset
output
Register
Contact
Time 5 seconds.
C l o c k
209
R e s e t
O u t p u t
C o u n t 1 2 3 4
0 5
210. Digital counters output in the form of a relay contact when a
preassigned count value is reached.
Register
Accumulator
contact
input
reset
output
Input
Reset
Output
Count 0 1 2 3 4 5 0 1
210
5
Counters
211. Shift Registers
A shift register is a cascade of flip flops, sharing the same
clock, in which the output of each flip-flop is connected to the
"data" input of the next flip-flop in the chain, resulting in a
circuit that shifts by one position the "bit array" stored in it,
shifting in the data present at its input and shifting out the last
bit in the array, at each transition of the clock input.
Shift registers can have both parallel and serial inputs and
outputs. These are often configured as 'serial-in, parallel-out'
(SIPO) or as 'parallel-in, serial-out' (PISO). There are also types
that have both serial and parallel input and types with serial
and parallel output.
211
212. Master and Jump Controls
Master controls can be thought of as "emergency stop switches". An
emergency stop switch typically is a big red button on a machine that will shut it off in
cases of emergency. e.g In the local gas station’s door on the outside to see an example
of an e-stop, master control symbol
The master control instruction typically is used in pairs with a master control
reset. However this varies by manufacturer. Some use MCR in pairs instead of teaming it
with another symbol. It is commonly abbreviated as MC/MCR (master control/master
control reset), MCS/MCR (master control set/master control reset) or just simply MCR
(master control reset).
JMP
212
The jump instruction (JMP) is an output instruction
used for this purpose
213. Contd.,
Program
213
control instructions are used to alter the
program scan from its normal sequence. Sometimes
referred to as override instructions, they provide a
means of executing sections of the control logic if certain
conditions are met. They allow for greater program
flexibility and greater efficiency in the program scan.
214. Typical Program Control Instructions Based On The SLC 500 And Associated
RSLogix Software
Program Control
JMP LBL JSR RET SBR
JMP Jump to Label Jump forward/backward
to a corresponding label
instruction
Clears all set outputs
between the paired MCR
TND MCR
MCR Master Control Reset
SUS
215
215. Hardwired Master Control Relay Circuit
Hardwired master control relays are used in relay circuitry to provide input/output power
shutdown of an entire circuit.
215
217. The master control reset (MCR) instruction can be
programmed to control an entire circuit or to control only
selected rungs of a circuit. When the MCR instruction is
false, or de-energized, all nonretentive (nonlatched) rungs
below the the MCR will be de-energized even if the
programmed logic for each rung is true. All retentive rungs
will remain in their last state. The MCR instruction
establishes a zone in the user program in which all
nonretentive outputs can be turned off simultaneously.
Therefore, retentive instructions should not normally be
placed within an MCR zone because the MCR zone
maintains retentive instructions in the last active state
when the instruction goes false.
MCR Instruction MCR
217
219. MCR Instruction Programmed To Control A
Fenced Zone
The Master Control Reset (MCR) instruction
is used in pairs to disable or enable a zone
within a ladder program and has no
address. You program the first MCR with
input instructions in the rung and the
ending MCR without any other instructions
in the rung.
Fenced
Zone
219
221. 221
Programming MCR Instructions
If you start instructions such as timers and counters
in an MCR zone, instruction operation ceases when the
zone is disabled.
The TOF timer will activate when placed inside a false
MCR zone.
When troubleshooting a program that contains an MCR zone you need to be aware of
which rungs are within zones in order to correctly edit the circuit.
MCR controlled areas must contain only two MCR
instructions – one to define the start and one to define the end.
222. Jump Instruction
As in computer programming, it is sometimes desirable
to be able to jump over certain program instructions.
The jump instruction (JMP) is an output instruction used for this purpose. The advantages
to the jump instruction include:
the ability to reduce the processor scan time by jumping over instructions not pertinent
to the machines operation at that instant
The PLC can hold more than one program and scan only the program appropriate to
operator requirements
Sections of a program can be jumped when a production fault occurs
JMP
222
223. Jump Operation
By using the jump instruction, you can branch or skip to different portions of a program
and freeze all affected outputs in their last state.
Jumps are normally allowed
in both the forward and
backward directions.
Jumping over counters and
timers will stop them from
being incremented.
223
224. 224
Jump-To-Label
With Allen-Bradley PLCs the jump (JMP) instruction and the label
(LBL) instruction are employed together so the scan can jump over
a portion of the program.
The label is a target for the jump, it is the first instruction in the
rung, and it is always true.
A jump jumps to a label with the same address. The area that the
processor jumps over is defined by the locations of the jump and
label instructions in the program.
If the jump coil is energized, all logic between the jump and label
instructions is bypassed and the processor continues scanning
after the LBL instruction.
226. Jump - To - Subroutine
Another valuable tool in PLC programming is to be able to escape from the main program and
go to a program subroutine to perform certain functions and then return to the main
program.
226
227. Data Handling
Data-handling instructions are used to convert and move data within a Micro- Logix PLC.
Data-handling instructions are often used to interface with field devices that supply or
require data in BCD (binary coded decimal) form.
227
228. Analogs Input / Output
Analog I/O that is distributed around your application or mounted on a
machine for distributed applications
228
229. 229
The process of selecting a PLC can be broken into the steps listed below.
1. Understand the process to be controlled
• List the number and types of inputs and outputs.
• Determine how the process is to be controlled.
• Determine special needs such as distance between parts of the process.
2.If not already specified, a single vendor should be selected. Factors that might be
considered are, (Note: Vendor research may be needed here.)
• Manuals and documentation
• Support while developing programs
• The range of products available
• Support while troubleshooting
• Shipping times for emergency replacements
• Training
• The track record for the company
• Business practices (billing, upgrades/obsolete products, etc.)
3. Plan the ladder logic for the controls.
Selection of a PLC
230. 230
Cost of hardware, software, Integration Engineering, Design,
Installation, Start-up and Commissioning, Validation documentation
and Execution, Training, Spare parts, Maintenance, System service
contract and system life cycle.
Reliability, Flexibility, Scalability and Validatability.
Ease of Database configuration, Graphics development, Interlocks
and Batch processing.
Integration of High-level Application.
Control Philosophy for Centralized versus Remote Operator
Console or both.
Limit selection to one, or two vendors.
PLC Size
1. SMALL - it covers units with up to 128 I/O’s and memories up to 2 Kbytes.
- these PLC’s are capable of providing simple to advance levels
or machine controls.
2. MEDIUM- have up to 2048 I/O’s and memories up to 32 Kbytes.
3. LARGE - the most sophisticated units of the PLC family. They have up to
8192 I/O’s and memories up to 750 Kbytes.
- can control individual production processes or entire plant.
Selection
Criteria
Customer Support
Wide Hardware Selection
Safety Support
Ease of EPICS Interfacing
TEXT import File style
Text Import of Tagnames
and I/O Symbols
Text Import of Program
Logic
TEXT import form
documented and supported
Ability to merge Input files
Cost Comparison, Config.
Company
Evaluation Totals
231. 231
PLC Comparison Matrix
PLC Manufacturer Performance
Per 1k Boolean
Instructions
Time Stamping
Capabilities
Fastest ADC and channel
count
Network Capabilities
AB, CompactLogix 0.04ms – 0.08 ms Software supported, ~1 ms
accuracy expected
4 @ .1ms/ch Yes, CIP, Ethernet are
easily supported.
Siemens, S7-300 0.05 ms – 0.10 ms Hardware support, <10 ms
accuracy
4 @ .1 ms/ch Yes, Profibus and Profinet
require special network
components
GE, RS7i 0.02 ms – 0.04 ms Hardware or Software,
h/w 1ms accuracy
64 @ 1 ms/ all ch,
Faster w / special VME
Yes, supports several
standard Ethernet protocols
Yokogawa FA-M3
Linux CPU or
Sequence CPU
0.02 ms – 0.04 ms Software support, EPICS
compatible
Software support ~1 ms
accuracy
4 simultaneous channels @
50 us/4
8 simultaneous channels @
500 us/8
Yes, standard EPICS
channel access,
Yes, but capabilities
unknown.
232. 232333
Leading Brands Of PLC
AMERICAN 1. Allen Bradley
2. Gould Modicon
3. Texas Instruments
4. General Electric
5. Westinghouse
6. Cutter Hammer
7. Square D
EUROPEAN 1. Siemens
2. Klockner & Mouller
3. Festo
4. Telemechanique
233. 232434
Leading Brands Of PLC
JAPANESE 1. Toshiba
2. Omron
3. Fanuc
4. Mitsubishi
Areas of Application
Manufacturing / Machining
Food / Beverage
Metals
Power
Mining
Petrochemical / Chemical
234. 234
UNIT V ACTUATORS AND MECHATRONIC
SYSTEM DESIGN
Types of Stepper and Servo motors
Construction – Working Principle
Advantages and Disadvantages.
Design process-stages of design process
Traditional and Mechatronics design concepts
Case studies of Mechatronics systems
Pick and place Robot
Engine Management system
Automatic car park barrier.
235. 235
Sequential/Concurrent Product Realization
• Sequential and discipline specific concurrent design processes for
product realization are at best multi-disciplinary calling upon
discipline specialists to “design by discipline.”
– Design mechanical system “plant.”
– Select sensors and actuators and mount on plant.
– Design signal conditioning and power electronics.
– Design and implement control algorithm using electrical, electronics,
microprocessor, microcontroller, or microcomputer based hardware.
236. 236
Mechatronics-based Product Realization
• Systems engineering allows design, analysis, and synthesis of products and
processes involving components from multiple disciplines.
• Mechatronics exploits systems engineering to guide the product realization process
from design, model, simulate, analyze, refine, prototype, validate, and deployment
cycle.
• In mechatronics-based product realization: mechanical, electrical, and computer
engineering and information systems are integrated throughout the design process
so that the final products can be better than the sum of its parts.
• Mechatronics system is not
– simply a multi-disciplinary system
– simply an electromechanical system
– just a control system
238. 238
Evolution of Mechatronics as a Contemporary
Design Paradigm
• Technological advances in design, manufacturing, and operation of
engineered products/devices/processes can be traced through:
– Industrial revolution
– Semiconductor revolution
– Information revolution
239. Case studies of Mechatronics systems
• Engine management system
239
240. 240
The figure illustrates the basic concept of engine management system using a
microprocessor.
Engine management system is used for managing the ignition and air/fuel
requirement of an IC engine.
In the case of four stroke multi cylinder petrol engine, each cylinder has a piston
performing all the four stroke (suction, compression, working or expansion and
exhaust strokes) and the piston rod of each
Piston connected to common crankshaft, and their power strokes at different
time‟s resulting power for rotation of the crankshaft.
The power and speed of an engine are functions of ignition timing and
air/fuel mixture.
Hence, by controlling the ignition timing and air/fuel mixture it is possible to
control the speed and power of the engine
In modern cars the ignition timing, opening and closing of valves at appropriate
time, quality of air/fuel mixture are controlled by microprocessor with the help of
sensors.
242. Pneumatic and Hydraulic Systems
Directional Control Valves
• Directional control valves are one of the most fundamental parts in Pneumatic
hydraulic machinery as well and pneumatic machinery. They allow fluid flow into
different paths from one or more sources. They usually consist of a spool inside a
cylinder which is mechanically or electrically controlled. The movement of the
spool restricts or permits the flow, thus it controls the fluid flow.
Directional control valves can be
classified according to :-
•number of ports
two way,three way,four way
valves.
•number of positions
• two position and three
position
•actuating methods
Manually Operated
Mechanically Operated
Hydraulic/Pneumatically
•type of spool
Spool is of two types namely
244
sliding and rotary.
243. Rotary Actuators
• A rotary actuator is an actuator that produces a rotary motion
or torque.
• The simplest actuator is purely mechanical, where linear motion in
one direction gives rise to rotation. The most common actuators
though are electrically powered. Other actuators may be powered
by pneumatic or hydraulic power, or may use energy stored
internally through springs.
• The motion produced by an actuator may be either continuous
rotation, as for an electric motor, or movement to a fixed angular
position as forservos and stepper motors. A further form,
the torque motor, does not necessarily produce any rotation but
merely generates a precise torque which then either causes
rotation, or is balanced by some opposing torque.
245
244. Types of Rotary Actuators
PNEUMATIC RACK AND PINION ROTARY
ACTUATORS
VANE STYLE ROTARY ACTUATORS
246
245. Mechanical Actuation Systems
Cams : –
A cam is a rotating or sliding piece in a mechanical
linkage used especially in transforming rotary motion into
linear motion or vice-versa. It is often a part of a
rotating wheel (e.g. an eccentric wheel) or shaft (e.g. a
cylinder with an irregular shape) that strikes a leverat one or
more points on its circular path. The cam can be a simple
tooth, as is used to deliver pulses of power to a steam
hammer, for example, or an eccentric disc or other shape
that produces a smooth reciprocating (back and forth)
motion in the follower, which is a lever making contact with
the cam
Classifications:
Plate cam
Cylindrical cam
Face cam
An early cam was built into Hellenistic water-driven automata from
the 3rd century BC.The cam and camshaft appeared in European
mechanisms from the 14th century.
247
246. Gear trains
Gear-train-backlash-
and-contact-pattern-
checking
A gear train is formed by mounting gears on a frame so that the teeth of the gears engage. Gear
teeth are designed to ensure the pitch circles of engaging gears roll on each other without
slipping, providing a smooth transmission of rotation from one gear to the next.
The transmission of rotation between contacting toothed wheels can be traced back to
the Antikythera mechanism of Greece and thesouth-pointing chariot of China. Illustrations by
the renaissance scientist Georgius Agricola show gear trains with cylindrical teeth. The
implementation of the involute tooth yielded a standard gear design that provides a constant
speed ratio
247. Some important features of gears and gear trains are:
The ratio of the pitch circles of mating gears defines the speed
ratio and the mechanical advantage of the gear set.
A planetary gear train provides high gear reduction in a compact
package.
It is possible to design gear teeth for gears that are non-circular, yet
still transmit torque smoothly.
The speed ratios of chain and belt drives are computed in the same
way as gear ratios
249
248. 248
Electrical Actuation Systems
A actuator which can receive electrical energy
for motion is known as electrical actuator.
• Mechanical Switches :
– Relays
• Solid state switches:
– Diodes
– Thyristors (or) SCR [Silicon Controlled Rectifier]
– TRIAC (Triode for Alternating Current)
– Bipolar Transistors
– MOSFETS (Metal Oxide Field Effect Transistor)
250. •Desktop sized Factory
•Build small parts with a small factory
•Greatly reduces space, energy, and
materials
Manufacturing Applications-
250
Micro Factory
Micro Factory Drilling Unit
251. CNC Bending
•Fully automated bending: load sheet
metal and the finished bent parts
come out
•Can bend complex shapes
251
254. •Train Position and Velocity
constantly monitored from main
command center.
•Error margin in scheduling no
more than 30 seconds
•Fastest trains use magnetic
levitation
High Speed Trains
JR-Maglev
Top Speed: 574 km/h (357 mph)
Country: Japan
Transrapid
Top Speed: 550 km/h (340 mph)
Country: German
Magnetic Levitation
256
258. Smart Robotics Application
System Can
•Carry 340 lb
•Run 4 mph
•Climb, run, and walk
•Move over rough terrain
BigDog
Advantages
•Robot with rough-terrain mobility that could carry
equipment to remote location.
259. •Robots can vacuum floors and clean
gutters so you don't have to.
Cleans Gutter
Vacuum Floors
259
260. Space Exploration Application-
System Can
•Collect specimens
•Has automated onboard lab
for testing specimens
Advantages
•Robot that can travel to other
planets and take measurements
automatically.
Phoenix Mars Lander's
260
262. Medical Applications
•Used by patients with slow or
erratic heart rates. The pacemaker
will set a normal heart rate when it
sees an irregular heart rhythm.
Pace Maker
Implantable Defibrillation
264. Mechatronics Systems
-Sanitation Applications-
System Uses
•Proximity sensors
•Control circuitry
•Electromechanical valves
•Independent power source
Advantages
•Reduces spread of germs by making device
hands free
•Reduces wasted water by automatically
266
265. -Sanitation Applications-
Advantages
•Reduces spread of germs by making device
hands free
•Reduces wasted materials by controlling
Systems Uses
•Motion sensors
•Control circuitry
•Electromechanical actuators
•Independent power source
Soap Dispenser
Paper Towel Dispenser
Mechatronics Systems
267