1. School of Engineering, Qufu Normal University, Rizhao, China
2. School of Control Science and Engineering, Tiangong University, Tianjin, China
3. Department of Electrical Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan
4. School of Information Science and Engineering, Chengdu University, Chengdu, China
5. Department of Industrial Management, National Taiwan University of Science and Technology, Taipei, Taiwan