1. School of Engineering, King Mongkut's Institute of Technology Ladkrabang,Department of Electrical Engineering,Bangkok,Thailand
2. School of Engineering, King Mongkut's Institute of Technology Ladkrabang,Department of Instrumentation and Control Engineering,Bangkok,Thailand
3. Plan Market Gold Co., Ltd and PD Solution Co., Ltd.,Bangkok,Thailand
4. Nakhon Si Thammarat Rajabhat University,Faculty of Industrial Technology,Nakhon Si Thammarat,Thailand
5. School of Engineering, King Mongkut's Institute of Technology Ladkrabang,Bangkok,Thailand