1. School of Mechanical Engineering, Shenyang Jianzhu University, Shenyang 110168, China
2. School of Sciences, Shenyang Jianzhu University, Shenyang 110168, China
3. State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
4. School of Electromechanical and Automotive Engineering, Yantai University, Yantai 264005, China
5. Department of Mechanical Engineering, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, United States
6. Department of Neurology, The People’s Hospital of Liaoning Province, Shenyang 110016, China