1 Control and Automation Research Unit, Power Electronics, Machines, and Control Research Group, School of Electrical Engineering, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand 2 Department of Electrical Engineering, Rajamangala University of Technology Lanna Tak, Tak 63000, Thailand 3 Department of Electrical Engineering, South-East Asia University, Bangkok 10160, Thailand