1. Department of Automation Engineering, National Formosa University, Huwei, Taiwan, Republic of China
2. Department of Mechanical Engineering, National Chung Cheng University, Chia-Yi, Taiwan, Republic of China
3. Institute of Electro-Optical and Materials Science, National Formosa University, Huwei, Taiwan, Republic of China
4. Department of Mechanical Engineering, National Cheng Kung University, Tainan, Taiwan, Republic of China
5. Institute of Mechanical and Electro-Mechanical Engineering, National Formosa University, Huwei, Taiwan, Republic of China