Banri Khemkladmuk
School of Electrical Engineering, Institute of Engineering, Suranaree University of Technology, Nakhon Ratchasima
Thailand

Thanatchai Kulworawanichpong
School of Electrical Engineering, Institute of Engineering, Suranaree University of Technology, Nakhon Ratchasima
Thailand

Surachai Wingfookeat
Subject Industrial Electrical Engineering Faculty of Industrial Technology Nakhonratchasima University, Nakhon Ratchasima
Thailand