A Study on Correlation between Subjective and Objective Evaluation of Comfort for a Vehicle Passing Bumpers

범퍼 통과 차량의 안락성에 대한 주관평가와 객관평가의 상관성 도출에 관한 연구

There have been various studies to find out the correlation between subjective and objective evaluation ride comfort in vehicle. To be proper, subjective evaluation considers the signal pattern of vibration generated by vehicle. In this study, driving test is carried out to extract the correlation between subjective evaluation by subjects and vibration signals measured on the seat when a test vehicle is passing over test bumpers, which have two sorts of width change and height change respectively. A unique reference bumper is used to be compared with the relative comfort of test bumpers.