Funding for this research was provided by:
the National Science Foundation of China (61841701)
the Science and Technology Project from Transportation Department of FuJian Province (201934)
Fujian Vocational College Intelligent Equipment Application Technology Collaborative Innovation Center Construction Project (2016-7)
Article History
Received: 28 August 2020
Accepted: 7 June 2021
First Online: 19 June 2021