1. School of Computer, Hunan University of Technology, Zhuzhou 412007, China
2. School of Computers, Hunan First Normal University, Changsha 410205, China
3. CRRC Zhuzhou Electric Locomotive Research Institute Co., Ltd., Zhuzhou 412001, China
4. Guiyang Aluminum Magnesium Design & Research Institute Co., Ltd., Guiyang 550081, China
5. Hunan Tianqiao Jiacheng Intelligent Technology Co., Ltd., Zhuzhou 412007, China