1. School of Mechanical Engineering, Tiangong University, Tianjin 300387, China;
2. State Key Lab of Digital Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan 430074, China;
3. Jiangsu Wanji Transmission Technology Co., Ltd., Taizhou 225400, China
4. School of Mechanical Engineering, Tiangong University, Tianjin 300387, China