Human Factors Engineering (aka Ergonomics) focused on the integration of human characteristics into system definition, design, development, and evaluation to optimise human machine performance under operational conditions.
Cockpits Workstations Control rooms Offices Transport systems Factories
Inputs required from - EHFA
- Task analysis
- Link analysis
- Allocation of function
Consider - Operational and environmental context
- Human dimensions
- Biomechanics and physiology
Task issues Task issues Responsibilities of organisation and individuals Communications Visual issues, such as sight lines Flows of materials and personnel - Normal
- Emergency
- Maintenance
Protection - Protective clothing & equipment
- Barriers & guards
Physical human dimensions Physical human dimensions Linear dimensions, for example: - Stature
- Functional reach
- Sitting height
Girth dimensions, for example: -
Requirements often state …must accommodate the 5th percentile and the 95th percentile human… Requirements often state …must accommodate the 5th percentile and the 95th percentile human… But, these people do NOT exist!
Choose dimensions relevant to the workstation, posture, and task Choose dimensions relevant to the workstation, posture, and task - Sitting, standing, reach, fit, walking, crouching
5th percentile (smaller) dimensions considered for: 95th percentile (larger) dimensions considered for: - Seat adjustment, ingress, fit, access, clearance
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