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샤시부품 동특성 해석을 위한 전차량 해석모델 개발에 관한 연구
배철용(Bae, Chul-Yong),권성진(Kwon, Seong-Jin),김찬중(Kim, Chan-Jung),이봉현(Lee, Bong-Hyun),나병철(Na, Byung-Chul) 한국소음진동공학회 2007 한국소음진동공학회 논문집 Vol.17 No.10
This study presents full vehicle dynamics model for the dynamic characteristic analysis of chassis parts which are suspension and brake system. This vehicle dynamics model is appled to kinematics and quasi-static analysis for each chassis part. In order to develop the vehicle dynamics model, the parameters of each chassis element part which are bush, spring and damper are measured by experiment. Also the wheel forces and moments of 6 DOF are measured at each wheel center. These data are applied to input parameter for vehicle dynamics model. And the verification of the developed model is achieved to comparison with the experimental force data of spring, trailing arm and assist arm by using the load response by strain gauge. These experimental force data are acquired by road test at event surfaces of P/G which are belgian and chuck holes roads.
배철용(Bae, Chul-Yong),김찬중(Kim, Chan-Jung),권성진(Kwon, Seong-Jin),이봉현(Lee, Bong-Hyun),장운성(Jang, Woon-Sung),이준우(Lee, Joon-Woo) 한국소음진동공학회 2007 한국소음진동공학회 논문집 Vol.17 No.11
This study presents the design improvement process for door module. Its objective evades the resonance generated at module plate due to the operation of window regulator motor. For this study, the design improvement process is composed of experimental methods having three steps. First step is modal analysis at door assembly status for acquisition of dynamic characteristics which are modal frequency and damping. Second step is a vibration experiment to get the test mode considered an efficiency of window regulator motor. Last step is a vibration measurement by the form of $6{\times}6$ array on module plate. A vibration measurement of $6{\times}6$ array form can be got to three analysis results which are a transfer path of vibration using cross correlation function, a vibration map using OA level and a contribution by frequency band using coherent output power spectrum on module plate. These results are applied to SDM(structural dynamic modification) for design improvement to get around the resonance on module plate by the excitation of window regulator motor.