レバー式車椅子操作時の心理的負担の分析(機械力学,計測,自動制御)

概要

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The mental workload during the use of lever type wheelchair (Wijit) in terms of EEG and fluctuation of finger pulse were analyzed. In the analysis of mental workload with a view to EEG, it was observed that the power level of α wave was higher and β wave was lower in a use of Wijit than in a use of standard hand-limb type wheelchair. This means that the parasympathetic nervous system in a use of Wijit was more activated than in a use of standard hand-limb type wheelchair. The physical workload of arms and busts in terms of %MVC was also analyzed. It was clarified that the physical workload of arms during the use of Wijit is much lower than that during the use of normal hand-limb type wheelchair. It is possible to conclude that low physical workload at arms, meaning the operator does not have to grab the hand-limb tightly during the use of Wijit, is relevant to low mental workload for operating wheel chair.
社団法人日本機械学会の論文
2007-12-25