[Gao, Zonghai;Jiang, Yan;Li, Dacheng;Wang, Jian;Zhang, Wanmei;Wang, Xinnian] Xian Univ Technol, Modern Sci Instrument & Sensor Lab, Xian 710048, Peoples R China.^[Jiang, Yan] Nanhua Univ, Sch Mech Engn, Hengyang 421001, Peoples R China.^[Zhang, Wanmei] China Univ Petr, Electromech Project Inst, Beijing 102249, Peoples R China.