1. School of Automation Engineering and Center for Robotics, University of Electronic Science and Technology of ChinaChengdu611731People's Republic of China
2. School of Automation and Electrical Engineering, University of Science and Technology BeijingBeijing100083People's Republic of China
3. Key Laboratory of Autonomous Systems and Networked Control, College of Automation Science and Engineering, South China University of TechnologyGuangzhou510640People's Republic of China
4. School of Engineering and Materials Science, Queen Mary University of LondonMile End RoadLondonE1 4NSUK
5. School of Electrical Engineering and Automation, Qufu Normal UniversityRizhao276826People's Republic of China