1. School of Mechanical Engineering, Changwon National University, Uichang-gu, Changwon, 51140, South Korea
2. Center for Safety Measurements, Korea Research Institute of Standards and Science, Yuseong-gu, Daejeon, 34113, South Korea
3. System Dynamics Research, Korea Institute of Machinery and Materials, Yuseong-gu, Daejeon, 34103, South Korea