Li, Kexiang
Zhang, Jianhua
Liu, Xuan
Zhang, Minglu
Funding for this research was provided by:
National Natural Science Foundation of China (51575157, 61473113)
Natural Science Foundation of Hebei Province (E2016202342)
Beijing Advanced Innovation Center for Intelligent Robots and Systems (2018IRS04)
State Key Laboratory of Robotics (2015002)
Article History
Received: 25 April 2018
Accepted: 15 March 2019
First Online: 20 March 2019