1. Department of Mechanical Engineering, National Central University, Jongli, Taiwan
2. Department of Power Vehicle and Systems Engineering, CCIT, National Defense University, Taoyuan, Taiwan
3. Materials and Electro-Optics Research Division, National Chung-Shan Institute of Science and Technology, Taoyuan, Taiwan
4. Research and Development Department, Ye Fong Aluminium Industrial Ltd, Taoyuan, Taiwan