1. Automotive Engineering Research Institute, Jiangsu University, Zhenjiang, People's Republic of China
2. School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang, People's Republic of China
3. Department of Automotive Engineering, Clemson University International Center for Automotive Research, Greenville, SC, America
4. Jiangsu XCMG Engineering Machinery Research Institute Co., Ltd, Xuzhou, People's Republic of China