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Ankle exoskeleton with an artificial pneumatic actuator, which is intended for the assistance and enhancement of muscular activity, was developed. In this study, the effectiveness of the system was investigated during plantarflexion motion of ankle joint. To find an effectiveness of the system, the subjects performed maximal voluntary isokinetic plantarflexion contraction on a Biodex-dynamometer....
Gait training of stroke survivors can help in retraining their muscles and improving their gait pattern. Robot assisted gait training (RAGT) was developed for stroke survivors using ALEX and force-field controller, which use assist-as-needed paradigm for rehabilitation. In this paradigm undesirable gait motion is resisted and assistance is provided towards the desirable motion. The force-field controller...
In this paper, we propose a user adaptive support system for sit-to-stand movement from a bed. The support system consists of a handrail and an electric bed which moves up and down. The evaluation indexes for the sit-to-stand movement based on a human model are introduced. By using these indexes, we set the parameters of the support system such as the handrail position, the height of the bed, and...
In this paper, we introduce a passive wearable walking support system based on brake control referred to as ldquopassive wearable walking helperrdquo. According to the analysis of the walking of the human being, the knee joint has to support his/her weight during the walking, and the joint moment applied around the knee joint is large for supporting the weight. Consequently, in this paper, we pay...
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