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An anthropomorphic controlled hand prosthesis system

Journal of Zhejiang University-Science C(Computers and electronics) 2012年第10期13卷 769-780页

作者： Hai HUANG Hong LIU Nan LI Li JIANG Da-peng YANG Lei WAN Yong-jie PANG Gerd HIRZINGER National Key Laboratory of Science and Technology on Autonomous Underwater Vehicle Harbin Engineering University Harbin 150001 China State Key Laboratory of Robot and Systems Harbin Institute of Technology Harbin 150001 Chin Institute of Robotics and Mechatronics German Aerospace Center DLR Wessling 82230 Germany

Based on HIT/DLR(Harbin Institute of Technology/Deutsches Zentrum für Luft-und Raumfahrt) Prosthetic Hand II,an anthropomorphic controller is developed to help the amputees use and perceive the prosthetic hands more like people with normal physiological *** core of the anthropomorphic controller is a hierarchical control *** is composed of a top controller and a low level *** top controller has been designed both to interpret the amputee's intensions through electromyography(EMG) signals recognition and to provide the subject-prosthesis interface control with electro-cutaneous sensory feedback(ESF),while the low level controller is responsible for grasp *** control strategies include the EMG control strategy,EMG and ESF closed loop control strategy,and voice control *** EMG signal recognition,10 types of hand postures are recognized based on support vector machine(SVM).An anthropomorphic closed loop system is constructed to include the customer,sensory feedback system,EMG control system,and the prosthetic hand,so as to help the amputee perform a more successful EMG *** results suggest that the anthropomorphic controller can be used for multi-posture recognition,and that grasp with ESF is a cognitive dual process with visual and sensory *** process while outperforming the visual feedback process provides the concept of grasp force magnitude during manipulation of objects.

关键词： Anthropomorphic controller Prosthetic hand EMG recognition electro-cutaneous sensory feedback

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