抱上げ移乗器具の設計法(機械力学,計測,自動制御)

概要

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We developed and instrument to aid transfer for aged person with leg fault. The instrument has a very simple structure to turn on a single fulcrum circumference and is able to reduce the load to care. For rational design, we analyze loads with a simple model which is composed for rigid body link model for the instrument and human body, and linear spring model for the elasticity of buttocks and seat cushion. The results of theoretical analysis explained lift up motion of the transfer. The maximum requirement moment was decreased monotonously with the increase in a seat height and decrease in seat stiffness. To safety design, we should minimize the seat height and maximize the seat stiffness. It was possible to reduce the requirement force for lift up under 1/5 of the elder's weight.
社団法人日本機械学会の論文
2009-06-25