1. School of Electrical and Control Engineering, North University of China, Taiyuan, Shanxi, China
2. School of Materials Science and Engineering, North University of China, Taiyuan, Shanxi, China
3. College of Mechatronics Engineering, North University of China, Taiyuan, Shanxi, China
4. Department of Mechanical Engineering, Faculty of Engineering, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran