1. Key Laboratory of Intelligent Control and Optimization for Industrial Equipment of Ministry of Education, Dalian University of Technology, Dalian, China
2. Key Laboratory of Intelligent Perception and Computing of Anhui Province, Anqing Normal University, Anqing, China
3. School of Electronic Engineering and Computer Science, Queen Mary University of London, London, U.K.
4. Department of Electrical and Computer Engineering, Western University, London, ON, Canada