1. School of Transportation, Southeast University, 2# Southeast University Rd., Nanjing 211189, China
2. Guangdong Hualu Transport Technology Co., Ltd, Guangzhou 510420, China
3. School of Transportation, Southeast University, 2# Southeast University Rd., Jiangning District, Nanjing 211189, China (Corresponding author), e-mail: matao@seu.edu.cn, https://orcid.org/0000-0002-7963-9370