1. Engineering Universitas Mercu Buana,Department of Electrical,Jakarta,Indonesia
2. Universiti Tun Hussein Onn Malaysia,Instrumentation and Sensing Technology (INSeT) Research Group Faculty of Electrical and Electronic Engineering,Parit Raja,Johor,Malaysia
3. Universiti Tun Hussein Onn Malaysia,Industry Machining Tech Focus Group Faculty of Technical and Vocational Education,Parit Raja,Johor,Malaysia