Faculty of Electromechanical Engineering;
Guangdong University of Technology;
Guangzhou 510090;
China;
Faculty of Mechanical and Electrical Engineering;
Guangdong Polytechnic Normal University;
Guangzhou 510665;
China;
Faculty of Electromechanical Engineenng;
Guangdong University of Technology;
Guangzhou 510090;
China;
Guangdong Mechanical and Electrical Collage;
Guangzhou 510515;
China;