1. School of Mechanical Engineering, University of Science and Technology of the Inner Mongol, Baotou 014010, China
2. Inner Mongolia Key Laboratory of Intelligent Diagnosis and Control of Mechatronic Systems, Baotou, China
3. Beijing Tianrun New Energy Investment Co., Ltd., Beijing 100000, China
4. Department of Engineering and Technology, University of Huddersfield, Queensgate, Huddersfield HD1 3DH, UK