1. School of Mechatronics Engineering, Harbin Institute of Technology (HIT), Harbin, China
2. Shenzhen Key Laboratory of Biomimetic Robotics and Intelligent Systems, School of System Design and Intelligent Manufacturing, Guangdong Provincial Key Laboratory of Human-Augmentation and Rehabilitation Robotics in Universities, Southern University of Science and Technology (SUSTech), Shenzhen, China
3. Control Systems Technology Section, Eindhoven University of Technology (TU/e), MB Eindhoven, The Netherlands