1. School of Mechanical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong, China
2. Shandong Institute of Mechanical Design and Research, Jinan, Shandong, China
3. Key Laboratory of High Efficiency and Clean Mechanical Manufacture of MOE, School of Mechanical Engineering, Shandong University, Jinan, Shandong, China
4. Key National Demonstration Center for Experimental Mechanical Engineering Education, Shandong University, Jinan, Shandong, China