Ergonomics (Lesson 4)

Ergonomics (Human Factors in Job Design) Prof .P.T.SRINIVASAN

DEFINITION ,[object Object],[object Object]

The International Ergonomics Association defines ergonomics ,[object Object]

[object Object],ERGONOMICS OR BIOMECHANICS

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],LIMITATIONS OF PEOPLE AS PRODUCTIVE ELEMENTS

[object Object],[object Object],[object Object],[object Object],[object Object],LIMITATIONS OF MACHINE

MAN-MACHINE SYSTEM INFORMATION FEEDBACK CONSERNING OUTPUT STATES INFORMATION STORAGE INPUT OUTPUT 13 of 53 SENSING(RECEIVING INFORMATION) INFORMATION PROCESSING (COMPARISON, INTERPRETATION, DECISION, COMMAND, EFFECTOR) EFFECTOR (ACTION OR CONTROL FUNCTION

[object Object],[object Object],[object Object],TYPES OF MACHINE SYSTEM

EXAMPLE FOR MAN-M/C SYSTEMS WASHING M/C ,[object Object],[object Object],[object Object],[object Object],FIG(1) FIG(2) FIG(3)

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],EFFICIENCY OF MAN MACHINE SYSTEM IS AFFECTED BY THE FOLLOWING

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],QUESTIONS ASKED BY M/C DESIGNER

Principles of Motion Economy (a check list for motion economy and fatigue reduction) ,[object Object],[object Object],[object Object],[object Object]

Principles of Motion Economy (Use of the Human Body) ,[object Object],[object Object],[object Object],[object Object]

Principles of Motion Economy (Use of the Human Body) ,[object Object],[object Object],[object Object]

Principles of Motion Economy (Use of the Human Body) ,[object Object]

Principles of Motion Economy (Arrangement of the Work Place) ,[object Object],[object Object],[object Object]

Principles of Motion Economy (Arrangement of the Work Place) ,[object Object],[object Object]

Principles of Motion Economy (Design of Tools and Equipment) ,[object Object],[object Object],[object Object]

Principles of Motion Economy (Design of Tools and Equipment) ,[object Object],[object Object]

Principles of Motion Economy (Design of Tools and Equipment) ,[object Object]

[object Object],[object Object],class Pivot point Body members Five Trunk torso Upper/fore arm, wrist & fingers Four Shoulder Upper/fore arm, wrist & fingers Three Elbow Forearm, wrist & fingers Two Wrist Hand & fingers One Knuckle fingers

BODY MECHANICS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Correct & Incorrect Techniques

Working Environment ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Temperature & Humidity ,[object Object],[object Object]

[object Object],[object Object],Temperature & Humidity

[object Object],[object Object],[object Object],Temperature & Humidity

Noise ,[object Object],[object Object],[object Object],[object Object]

Noise ,[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Noise ,[object Object],[object Object],[object Object],[object Object],[object Object]

Illumination ,[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

SOURCE: American journal of public health

GENERAL OFFICE ENVIRONMENT ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Colours ,[object Object],[object Object],[object Object],[object Object],[object Object]

Colours ,[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],dampers VIBRATIONS

[object Object],[object Object],[object Object],[object Object],MAN AND TASK RELATIONSHIP FROM A SOCIOTECHNICAL PERSPECTIVE OF MAN M/C SYSTEM

[object Object],[object Object],[object Object],CONTD

B ASIC P RINCIPLES OF A CCIDENT P REVENTION ,[object Object],[object Object]

EXAMPLE OF INDUSTRIAL ACCIDENT

INDUSTRIAL ACCIDENTS & WORKPLACE ACCIDENTS

CHAIN OF EVENTS ,[object Object],Accident Unsafe acts Unsafe condition HUMAN FAILURE

CAUSES OF AN ACCIDENT ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],HUMAN CHARACTERISTICS

THE MAJOR UNSAFE ACT ARE ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object]

INDUSTRIAL SAFETY DAY ,[object Object],[object Object],[object Object]

[object Object],[object Object]

Ergonomics (Lesson 4)

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Ergonomics (Lesson 4)