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24-Aug-11
Ergonomics: Principles and
Application
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WG. CDR. AMAN
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Overview • Definition
• Scope of Ergonomics
• Ergonomic Design
• Anthropometry
• Interface Design
• Fitts and Jones Studies
• Conclusion
• Questions
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Definition
Ergonomics is the
Scientific Study of the
Inter-relationships
Between People and
Their Work
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Scope
•The Human System
•Environmental Factors
•The Man-Machine Interface
•Total Working System
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Scope (1)
Human characteristics Body Dimension
Strength
Physical and mental limitations
Stamina
Learning
Perception Reaction
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Scope (2)
Environmental Factors
Temperature
Humidity
Light
Ventilation
Noise
Vibration
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Scope (3)
Man-machine interface
Displays
Controls
Communications
Automation
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Scope (4)
Total working system
Fatigue
Work rate
Posture
Stress
Productivity
Accidents
Safety
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Ergonomic Design
Layout
Vision
Posture
Work Rate
Comfort
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Anthropometry
The Study of Body Dimensions to
Help Design Workplace Layouts
and Equipment
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Interface Design Principles
Separation Comfort
Order of Use
Priority
Functions
Fatigue 11
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Fitts and Jones Studies of ‘227 Errors’
Errors of Interpretation 48
Errors of Reversal 47 Errors of Legibility 37
Errors of Substitution 95
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Conclusion Application of
Ergonomics to the Design of
Tools, Machines, Systems, Tasks,
Jobs and Environments for Safe,
Comfortable and Effective
Human Use 13
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QUESTIONS
14