Cheng, Lifang
Cao, Hongjun
Zhang, Litao
Funding for this research was provided by:
Key Scientific Research Project of Colleges and Universities in Henan Province (20A110033)
Aeronautical Science Foundation of China (2017ZD55014)
Key Scientific Research Project of Henan Higher Education Institutions (20ZX003)
State Key Laboratory of Traction Power (TPL2001)
Article History
Received: 28 April 2020
Accepted: 2 December 2020
First Online: 6 January 2021
Compliance with ethical standards
:
: The authors declare that there are no conflicts of interests regarding the publication of this manuscript.