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지영춘(Youngchun Ji),정인승(Inseung Chung),전남일(Namil Jeon),윤기현(Kihyun Yoon),심정수(Jeongsoo Shim),최승렬(Seungryul Choi) 한국자동차공학회 2002 한국자동차공학회 Symposium Vol.2002 No.11
Brake judder in automotive vehicle is defined as low frequency vibration around 20Hz caused by disc thickness<br/> variation of disc brake. This paper is focused on developing simulation model to analyze the transfer pass of brake<br/> judder phenomenon of chassis system, which is composed of suspension, steering, brake systems. A dynamic model<br/> of half car system was constructed with ADAMS software and validated by experimental data in chassis dynamometer<br/> test.
지영춘(Youngchun Ji),전남일(Namil Jeon),서원진(Wonjin Seo),두민수(Minsoo Doo),정인승(Inseung Chung) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Recently automotive company demands supplier to provide goods as a module unit, Automotive company presents some requirements for a modular assembly and supplier delivers modules satisfying those requirements. This trend requires the development of methods to predict the performance of modules in the vehicle environment. The development of assembled analytical models that reflect the interactions between components within a modular assembly is necessary to insure that a module is properly designed. This paper describes the construction of the finite element model to investigate the structural requirements for Damper Spring Module(DSM) as installed in a McPherson strut front suspension. The analytical model is constructed as the 1/4 car. The modeling techniques to construct the components within DSM are presented. Results of the structural analysis under some loading conditions are displayed. Additionally, some aspects to be observed in the assembly model are considered.