Funding for this research was provided by:
National Natural Science Foundation of China (11572267)
Sichuan Science and Technology Program (2017JY0216)
Open Research Project of State Key Laboratory for Strength and Vibration of Mechanical Structures (SV2016-KF-21)
Open Research Project of State Key Laboratory of Traction Power (2018TPL_T03)
Article History
Received: 26 November 2018
Revised: 3 June 2019
Accepted: 24 June 2019
First Online: 5 July 2019