1. Center for Intelligent Bionic, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, People's Republic of China
2. Guangdong Provincial Key Lab of Robotics and Intelligent System, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, People's Republic of China
3. Key Laboratory of Human-Machine Intelligent Synergic System, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, People's Republic of China
4. Department of Electrical Engineering, Indian Institute of Technology, Banaras Hindu University, Varanasi, India