The Journal of King Mongkut's University of Technology North Bangkok
วารสารวิชาการพระจอมเกล้าพระนครเหนือ

Thanat Kanadee
Department of Electrical Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen
Thailand

Sarawuth Chaimool
Department of Electrical Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen
Thailand