Wichok Promdaung
Department of Electrical Engineering Technology, College of Industrial Technology, King Mongkut’s University of Technology North Bangkok; Center of Integrated Innovation Research and Development under Industrial Standards and Technopark, King Mongkut’s University of Technology North Bangkok
Thailand

Sathaporn Sitthiwong
Department of Electrical Engineering Technology, College of Industrial Technology, King Mongkut’s University of Technology North Bangkok; Center of Integrated Innovation Research and Development under Industrial Standards and Technopark, King Mongkut’s University of Technology North Bangkok
Thailand