1. School of Mechanical Engineering, Jiangsu Province and Education Ministry Co-Sponsored Synergistic Innovation Center of Modern Agricultural Equipment, Jiangsu University, Zhenjiang, China
2. School of Mechanical Engineering, Jiangsu University, Zhenjiang, China
3. School of Electrical Engineering and Automation, Anhui University, Hefei, China
4. School of Electrical and Information Engineering, Jiangsu University, Zhenjiang, China
5. Nanjing Institute of Agricultural Mechanization, Ministry of Agriculture and Rural Affairs, Nanjing, China