Nithiwat Setthawong
School of Electrical Engineering, Suranaree University of Technology, Nakhon Ratchasima
Thailand

Kongpol Areerak
School of Electrical Engineering, Suranaree University of Technology, Nakhon Ratchasima
Thailand

Phonsit Santiprapan
Department of Electrical Engineering and Biomedical, Faculty of Engineering, Prince of Songkla University, Songkhla
Thailand

Tidarat Areerak
School of Mathematical Sciences and Geoinformatics Institute of Science, Suranaree University of Technology, Nakhon Ratchasima
Thailand

Chakrit Panpean
Department of Instrumentation and Electronics Engineering, Faculty of Engineering, King Mongkut’s University of Technology Norh Bangkok, Bangkok
Thailand