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In this paper, we design a novel knee exoskeleton. The designed exoskeleton has a 1 DOF with knee joint actuated in the sagittal plane. The exoskeleton is actuated base on Series Elastic Actuator (SEA) instead of traditonal stiff actuator. SEA is a compliant actuator, having the advantages of low output impedance, low friction, high quality force control and backdrivability. Thanks to these nice characteristics,...
Lower-limb exoskeleton is widely used for assisting walk in rehabilitation field. One key problem for exoskeleton control is to model and predict the suitable gait trajectories of wearer. In this paper, we propose a Deep Rehabilitation Gait Learning (DRGL) for modeling the knee joints of lower-limb exoskeleton, which firstly leverage Long-Short Term Memory (LSTM) to learn the inherent spatial-temporal...
In order to help spinal cord injury (SCI) patients to walk again, a medical robot exoskeleton have been developed to assist these patients to walk independently in SIAT, Shenzhen. The robot has an under-drive control structure. The wearer can maintain balance and shift his (her) body weight with the aid of a pair of crutches. On this robot we have implemented a four-legged gait planning method. Through...
This paper presents a novel device that can be attached to a lower-limb exoskeleton to assist lower extremity hemiplegic patients during sitting down and standing up. Such device serves as a self-adaptive exoskeleton chair. The mechanical design has simple structure, great applicability, reliability and high driving efficiency. This paper first models and analysis the muscle forces during standing...
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