1. Thai-Nichi Institute of Technology,Master Program in Engineeering Technology (MET), Faculty of Engineering,Bangkok,Thailand
2. Thai-Nichi Institute of Technology,Advanced Magnetics and Motor Drive Research Laboratory(AMDRL), Faculty of Engineering,Bangkok,Thailand
3. Thai-Nichi Institute of Technology,Dynamic Research lab for Electricity and Advanced Magneticsm (DREAM), Faculty of Engineering,Bangkok,Thailand