1. School of Mechanical Engineering, Inner Mongolia University of Science and Technology, Baotou 014010, China
2. Inner Mongolia Key Laboratory of Intelligent Diagnosis and Control of Mechatronic System, Baotou 014010, China
3. College of Mechanical & Electrical Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China
4. Inner Mongolia Engineering Research Center of Intelligent Equipment for the Entire Process of Forage and Feed Production, Hohhot 010018, China