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Compliance Control Based on the Fuzzy Inference and Passivity Theory for Upper Limb Rehabilitation Robot
Authors
侯澈
宋国立
王争
赵忆文
Publication date
1 January 2017
Publisher
Abstract
针对具有柔性关节的上肢康复机器人,提出了一种基于模糊推理与无源性理论的柔顺控制方法。首先对康复机器人的动力学模型进行分析,在该模型上分别实现了基于关节空间和笛卡尔空间的柔顺控制方法。建立接触力矩观测器实时估计患者与上肢康复机器人的接触力,再运用模糊推理算法对阻抗控制的刚度进行实时调整以保证患者得到适宜的接触力。实验结果表明,该方法具有较好的稳定性和鲁棒性,同时能够通过改变控制器的刚度系数调节患者与机器人间的接触力,保证了使用者的安全性与舒适性
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Shenyang Institute of Automation,Chinese Academy Of Sciences
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Last time updated on 12/02/2018