1. School of Mechatronic Engineering, China University of Mining and Technology, Xuzhou 221116, China
2. School of Mechatronic Engineering, Jiangsu Normal University, Xuzhou 221116, China
3. Key Laboratory of Industrial Design and Ergonomics, Ministry of Industry and Information Technology, Northwestern Polytechnical University, Xi’an 710072, China
4. School of Industrial Design Engineering, Delft University of Technology, Delft 2628CE, Netherlands