[1] Shanghai Normal Univ, Coll Informat Mech & Elect Engn, Shanghai, Peoples R China
[2] Southeast Univ, Sch Mech Engn, Nanjing, Peoples R China
[3] Univ Elect Sci & Technol China, Yangtze Delta Reg Inst Huzhou, Huzhou, Peoples R China
[4] SHOULDER Elect Ltd, Wuxi, Peoples R China