1. Hanyang University,Department of Convergence Robot System,Ansan,Republic of Korea,15588
2. Hanyang University,Department of Mechatronics Engineering,Ansan,Republic of Korea,15588
3. University of California,Department of Mechanical and Aerospace Engineering,Los Angeles,CA,USA,90095
4. Hanyang University,Department of Robotics,Ansan,Republic of Korea,15588