1. School of Mechanical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
2. Department of Mechanical & Electrical Engineering, Rizhao Polytechnic, Rizhao 276800, China
3. College of Mechanical & Electrical Engineering, Qingdao Agricultural University, Qingdao 266109, China
4. Weichai Lovol Intelligent Agricultural Technology Co., Ltd., Weifang 261200, China
5. State Key Laboratory of Intelligent Agricultural Power Equipment, Luoyang 471000, China
6. Shandong Institute of Machinery Design & Research, Jinan 250353, China