期刊
INDUSTRIAL ROBOT-THE INTERNATIONAL JOURNAL OF ROBOTICS RESEARCH AND APPLICATION
卷 46, 期 5, 页码 642-649出版社
EMERALD GROUP PUBLISHING LTD
DOI: 10.1108/IR-11-2018-0224
关键词
Artificial muscle; Rehabilitation robots; Elderly people; Pneumatics; Walking assist
Purpose The purpose of this study is to confirm that the body weight load reduction system which is developed by us is effective to reduce the knee joint force of the walking user. This system is driven by pneumatic artificial muscle, functions as a mobile walking assist system. Design/methodology/approach The developed body weight load reduction system driven by rubber-less artificial muscle (RLAM) was tested experimentally. Simple force feedback control is applied to the RLAM. The system moves as synchronized with vertical movement of the walking user. The knee joint force during walking experiments conducted using this system is estimated by measurement of floor reaction force and position data of lower limb joints. Findings The knee joint force during walking is reduced when using this system. This system contributes to smooth change of knee joint force when the lower limb contacts the floor. Practical implications - This lightweight body weight load reduction system is particularly effective for realizing easy-to-use mobile walking assist system. Originality/value A lightweight body weight load reduction system using pneumatic artificial muscle is a novel proposal. Additionally, these new evaluation results demonstrate its effectiveness for reducing knee joint force during walking.
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