1. School of Instrument Science and Engineering, Southeast University, Nanjing, China
2. Jiangsu Siming Engineering Machinery Co. Ltd., Yangzhou, China
3. College of Automation, Nanjing University of Posts and Telecommunications, Nanjing, China
4. School of Mechanical Engineering, Changzhou University, Changzhou, China
5. College of Information Science and Technology, Jinan University, Guangzhou, China