1. School of Mechanical Engineering, Yanshan University, Qinhuangdao, China
2. Key Laboratory of Advanced Forging Stamping Technology and Science, Education Ministry of China, Yanshan University, Qinhuangdao, China
3. Key Laboratory of Intelligent Rehabilitation and Neuromodulation of Hebei Province, Institute of Electric Engineering, Yanshan University, Qinhuangdao, Hebei, China
4. Institute of Electrical Engineering, Yanshan University, Qinhuangdao, China
5. School of Physical Education, Yanshan University, Qinhuangdao, China