1. College of Transportation, Shandong University of Science and Technology, Qingdao 266590, China
2. Shandong High Speed Maintenance Group Co., Ltd., Jinan 250032, China
3. Institute of High Performance Computing (IHPC), Agency for Science Technology and Research (A*STAR), 3 Fusionopolis Way, #16-16 Connexis, Singapore 138632, Singapore