1. Haojing College of Shaanxi University of Science & Technology, Xi’an 712046, China
2. School of Electrical Engineering, Weihai Innovation Research Institute, Qingdao University, Qingdao 266000, China
3. Shandong Suoxiang Intelligent Technology Co., Ltd, Weifang 261101, China
4. School of Engineering, Brown University, Providence,Rhode Island 02912, United States