An automatic procedure for identifying alternative automobile ingress movements in young and elderly populations with or without prostheses
International Journal of Industrial Ergonomics(2009)
摘要
This paper presents an automatic numerical procedure for classifying the automobile ingress movements in young and elderly populations with or without prostheses. This procedure proceeds in two stages. The first stage works to identify the main movement strategies by classifying the subjects according to new indices, called 3BJCV (3 Bases Joint Contribution Vector). These indices make it possible to take the complexity of the automobile ingress movement into account. They quantify the contribution of the lower limbs chains angles' and those of the chain gathering the trunk and head in the final positioning of the midpoint between the two hips (MPH). The second stage specifies the main movement strategies obtained in stage 1 by classifying the subjects according to the relevant articular variables of the ingress movement.
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关键词
Automatic classification,Multi-component factor analysis,Joint Contribution vectors,Ingress movement strategies,Numerical simulation
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