Danai Torrungrueng
Industrial Electric and Control System Research Center, Department of Teacher Training in Electrical Engineering, Faculty of Technical Education, King Mongkut’s University of Technology North Bangkok, Bangkok
Thailand

Kittisak Phaebua
Industrial Electric and Control System Research Center, Department of Teacher Training in Electrical Engineering, Faculty of Technical Education, King Mongkut’s University of Technology North Bangkok, Bangkok
Thailand

Titipong Lertwiriyaprapa
Industrial Electric and Control System Research Center, Department of Teacher Training in Electrical Engineering, Faculty of Technical Education, King Mongkut’s University of Technology North Bangkok, Bangkok
Thailand