1. Key Laboratory for Precision and Non-traditional Machining Technology of the Ministry of Education, Dalian University of Technology, Dalian 116024, China
2. Department of Electrical and Computer Engineering, Penn State Behrend, Erie, Pennsylvania 16563, United States
3. Department of Electrical and Computer Engineering, The University of Alabama, Tuscaloosa, Alabama 35487, United States
4. Department of Mechanical Engineering, University of Maryland, College Park, Maryland 20742, United States
5. State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116024, China