1. Vehicle Technology Center, Research and Development Division, Hyundai Motor Company, 772-1 Jangduk, Hwasung, Gyeonggi 445-706, Republic of Korea
2. Platform Development Team 2, Research and Development Division, Hyundai Motor Company, 772-1 Jangduk, Hwasung, Gyeonggi 445-706, Republic of Korea
3. Department of Mechanical and Automotive Engineering, Kongju National University, 275 Budae, Cheonan, Chungnam 331-717, Republic of Korea