Funding for this research was provided by:
National Natural Science Foundation of China (11772170, 11372154)
China Postdoctoral Science Foundation (BX20180156, 2019M650650)
Key Laboratory of Spacecraft Design Optimization and Dynamic Simulation Technologies (Beihang University), Ministry of Education, China (2019KF001)
Article History
Received: 6 January 2019
Revised: 12 May 2019
Accepted: 24 May 2019
First Online: 8 June 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.