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Bergmans Mechatronics LLC

LabSocket
An Application Enabled by
HTML5 WebSocket

John Bergmans
Bergmans Mechatronics LLC

San Francisco HTML5 Meetup - Lightning Talk
Nov 14, 2013
1616 Bedford Lane, Unit A
Newport Beach, CA 92660

twitter: @jbergmans
web:bergmans.com
Bergmans Mechatronics LLC

LabVIEW Development Environment
•
•
•

Developed by National Instruments (http://ni.com)
Uses graphical data flow language
Each program or subroutine known as a “Virtual Instrument” or VI
User Interface (“Front Panel”)
Interface)

Program Logic (“Block Diagram”)
Bergmans Mechatronics LLC

LabSocket System
•
•
•

Remote viewer client for LabVIEW applications
Browser-based clients, no special client side requirements
Data transmission to/from browser via HTML5 WebSocket
WebSocket
Interface
(Over TCP-IP)
Browser

“Target VI”
HTTP Server

Browser

ActiveMQ
Message Broker

Browser

LabSocket Server
Platform

TCP-IP
Socket
Interface

LabSocket
Support VIs

LabVIEW Host Platform

LabSocket Support VIs
Startup
- LabVIEW Front Panel screenscrape, send HTML and JavaScript code to HTTP server
Continous Operation
- Transmit updates of LabVIEW front panel to browser
- Update LabVIEW front panel when user generates events in browser
Bergmans Mechatronics LLC

Element Test VI

LabVIEW Front Panel

Browser Representation
Bergmans Mechatronics LLC

Remote Cascade Lab - KTH Royal Institute of Technology (Sweden)
• Objective: to perform tests on turbine airfoils
• LabVIEW software used to control test rig
• LabSocket system enables lab testing to be performed
remotely using browser
• Remote control of rig aided by use of web cam
• 70 students have operated rig remotely with LabSocket
system to date (60 in groups of 3-6 and 10 individually)
• Lab part of EU funded Virtual Campus Hub project

GUI Main View

Additional information at: http://www.energy.kth.se/proj/projects/Remote_labs/RL/RL_website/RCL/RCL.html

Live Traverse Results
Bergmans Mechatronics LLC

Thoughts
• LabVIEW / LabSocket as dynamic web authoring system
• LabSocket is an example of an application enabled by HTML5 WebSocket
• What other new type of applications can be enabled by WebSockets?

More Information
http://labsocket.com
@jbergmans

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LabSocket - An Application Enabled by HTML5 WebSocket

  • 1. Bergmans Mechatronics LLC LabSocket An Application Enabled by HTML5 WebSocket John Bergmans Bergmans Mechatronics LLC San Francisco HTML5 Meetup - Lightning Talk Nov 14, 2013 1616 Bedford Lane, Unit A Newport Beach, CA 92660 twitter: @jbergmans web:bergmans.com
  • 2. Bergmans Mechatronics LLC LabVIEW Development Environment • • • Developed by National Instruments (http://ni.com) Uses graphical data flow language Each program or subroutine known as a “Virtual Instrument” or VI User Interface (“Front Panel”) Interface) Program Logic (“Block Diagram”)
  • 3. Bergmans Mechatronics LLC LabSocket System • • • Remote viewer client for LabVIEW applications Browser-based clients, no special client side requirements Data transmission to/from browser via HTML5 WebSocket WebSocket Interface (Over TCP-IP) Browser “Target VI” HTTP Server Browser ActiveMQ Message Broker Browser LabSocket Server Platform TCP-IP Socket Interface LabSocket Support VIs LabVIEW Host Platform LabSocket Support VIs Startup - LabVIEW Front Panel screenscrape, send HTML and JavaScript code to HTTP server Continous Operation - Transmit updates of LabVIEW front panel to browser - Update LabVIEW front panel when user generates events in browser
  • 4. Bergmans Mechatronics LLC Element Test VI LabVIEW Front Panel Browser Representation
  • 5. Bergmans Mechatronics LLC Remote Cascade Lab - KTH Royal Institute of Technology (Sweden) • Objective: to perform tests on turbine airfoils • LabVIEW software used to control test rig • LabSocket system enables lab testing to be performed remotely using browser • Remote control of rig aided by use of web cam • 70 students have operated rig remotely with LabSocket system to date (60 in groups of 3-6 and 10 individually) • Lab part of EU funded Virtual Campus Hub project GUI Main View Additional information at: http://www.energy.kth.se/proj/projects/Remote_labs/RL/RL_website/RCL/RCL.html Live Traverse Results
  • 6. Bergmans Mechatronics LLC Thoughts • LabVIEW / LabSocket as dynamic web authoring system • LabSocket is an example of an application enabled by HTML5 WebSocket • What other new type of applications can be enabled by WebSockets? More Information http://labsocket.com @jbergmans