Workspace zone differentiation and visualization for virtual humans

Human performance measures such as discomfort and joint displacement play an important role in product design. The virtual human Santos™, a new generation of virtual humans developed at the University of Iowa, goes directly to the computer-aided design model to evaluate a design, saving time and mon...

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Bibliographic Details
Published in:Ergonomics Vol. 51; no. 3; pp. 395 - 413
Main Authors: Yang, J., Sinokrot, T., Abdel-Malek, K., Beck, S., Nebel, K.
Format: Journal Article
Language:English
Published: London Taylor & Francis 01.03.2008
Washington, DC Taylor & Francis LLC
Subjects:
Applied physiology
Biological and medical sciences
Computer Simulation
Computer-Aided Design
Ergonomics
Ergonomics. Work place. Occupational physiology
Human performance
Human performance measures
Human physiology applied to population studies and life conditions. Human ecophysiology
Humans
Iowa
Job design
Medical sciences
Optimization-based method
User-Computer Interface
Virtual humans
Visualization
Work environment
Workplace
Workspace
Zone differentiation
USA, Iowa
Human
Workplace layout
Visualization
Work place
Prediction
Virtual humans
Zone differentiation
Optimization
Posture
Ergonomics
Virtual reality
Differentiation
Performance
Human performance measures
Optimization-based method
Workspace
ISSN:0014-0139, 1366-5847
Online Access:Get full text
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Summary:Human performance measures such as discomfort and joint displacement play an important role in product design. The virtual human Santos™, a new generation of virtual humans developed at the University of Iowa, goes directly to the computer-aided design model to evaluate a design, saving time and money. This paper presents an optimization-based workspace zone differentiation and visualization. Around the workspace of virtual humans, a volume is discretized to small zones and the posture prediction on each central point of the zone will determine whether the points are outside the workspace as well as the values of different objective functions. Visualization of zone differentiation is accomplished by showing different colours based on values of human performance measures on points that are located inside the workspace. The proposed method can subsequently help ergonomic design. For example, in a vehicle's interior, the controls should not only lie inside the workspace, but also in the zone that encloses the most comfortable points. Using the palette of colours inside the workspace as a visual guide, a designer can obtain a reading of the discomfort level of product users.
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ISSN:0014-0139
1366-5847
DOI:10.1080/00140130701685642