1. Department of Control Science and Engineering, Harbin Institute of Technology, Harbin, China
2. Department of Electrical Engineering, National Taipei University of Technology, Taipei, Taiwan
3. University of Michigan—Shanghai Jiao Tong University Joint Institute, Shanghai Jiao Tong University, Shanghai, China
4. Department of Mechanical and Industrial Engineering, Faculty of Engineering, Norwegian University of Science and Technology, Trondheim, Norway