1. School of Information and Electrical Engineering, Hunan University of Science and Technology, Xiangtan, China
2. School of Engineering, Tokyo University of Technology, Tokyo, Japan
3. School of Automation, China University of Geosciences, Wuhan, Hubei, China
4. School of Automation and the Guangdong Province Key Laboratory of Intelligent Decision and Cooperative Control, Guangdong University of Technology, Guangzhou, China