1. Research and Development Center, Nihon Densan Corporation, Tainan City, Taiwan
2. Department of Mechanical Engineering and Advanced Institute of Manufacturing with High-tech Innovations, National Chung Cheng University, Chia–yi County, Taiwan
3. Department of Mechanical Engineering, National Central University, Taoyuan County, Taiwan
4. Department of Mechanical Engineering, Chien Hsin University of Science and Technology, Taoyuan County, Taiwan