摘要
Prosthetic hands are becoming more and more popular among people without a hand and it is able to perform certain manual operations in function.In biology,action potentials trigger muscle contractions,and surface electromyography（sEMG）signals are the sum of action potentials under the skin exposed by the electrodes（via sebum and solution conduction）.
基金
supported by the National Natural Science Foundation of China(Grant No.51575020)
the National Key Technology R&D Program(Grant No.2015BAI02B00)
Open Foundation of the State Key Laboratory of Fluid Power and Mechatronic Systems
