6DOF 영상분석법을 이용한 더미 거동 해석

Evaluation method and criteria of vehicle safety has been implemented for improving vehicle safety and providing information to customer. Car manufacturers are working on various research and development in response to the trend. High speed film data among sensors and measuring data of vehicle crash test play an important role in analyzing the result of test for safety performance. Also industrial conversion from analog to digital enhanced the usage of the image data. In this paper, Head drop test of FMH (Free Motion Headform) was carried out and made an acquisition for 6 data, 3 accelerations (x, y, z) and 3 angular velocities(x, y, z). Image analysis was implemented with high-speed digital images. It was compared sensor data with the image result of 2D and 6DOF motion analysis using TEMA Automotive software. Motion analysis was performed with images of 1000fps, 10000fps and 3 different group of target describing 1 rigid body model. As a result, 6DOF analysis with 10000fps image shows best correlation with sensor data.