1. School of Aeronautics, Chongqing Jiaotong University, Chongqing 400074, China
2. Nanchang Institute of Technology, Nanchang 330044, China
3. Chongqing City Vocational College, Chongqing 402160, China
4. College of Shipping and Naval Architecture, Chongqing Jiaotong University, Chongqing 400074, China
5. College of Traffic & Transportation, Chongqing Jiaotong University, Chongqing 400074, China