1. Faculty of Interdisciplinary Studied, Department of Technology and Engineering, Khon Kaen University, Nong Khai Campus, Nongkhai 43000, Thailand
2. Faculty of Engineering, Department of Electrical Engineering, Chiang Mai University, Chiang Mai 50200, Thailand
3. Faculty of Engineering, Department of Electrical Engineering, Khon Kaen University, Khon Kaen 40002, Thailand
4. Faculty of Engineering, Department of Computer Engineering, Khon Kaen University, Khon Kaen 40002, Thailand