1. School of Automation Science and Engineering, South China University of Technology, Guangzhou, China
2. School of Automation Science and Engineering and the Guangdong Provincial Key Laboratory of Technique and Equipment for Macromolecular Advanced Manufacturing, South China University of Technology, Guangzhou, China
3. Department of Mechanical Engineering and Automation, Harbin Institute of Technology (Shenzhen), Shenzhen, China
4. Division of Information and Communication Engineering, Kitami Institute of Technology, Kitami, Japan