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최성욱(Seonguk Choi),이학주(Hark ju Lee),안성철(Sungcheul Ahn),구자성(Jaseong Gu) 한국자동차공학회 2010 한국자동차공학회 부문종합 학술대회 Vol.2010 No.5
Various noises occurrence during the vehicle glass up & down tests are difficult to characterize and improve due to not to be quantitative analysis even though the customer complaints are frequent reported on IQS and QIR. In order to solve the problems Head acoustic, ArtemiS used to search the points and improve Sound Quality Evaluation. Design guide lines for improving such problems are proposed at this study.
BSR 사전 대응 위한 마찰기반 구조해석기법에 대한 연구
신영철(YoungChul Shin),이호열(HoYeol Lee),최성욱(SeongUk Choi) 한국자동차공학회 2018 한국자동차공학회 부문종합 학술대회 Vol.2018 No.6
The Buzz, Squeak and Rattle (BSR) is regarded as unintended noise, and caused by friction from the gap between parts of a system. Customers increasingly perceive squeak and rattle as direct indicator of build-quality and durability of vehicles as revealed from the J.D. Power surveys and etc. The high profile nature of squeak and rattle has motivated the manufacturers to pay attention to the early phase of vehicle development program, and thus leading them to put a special effort to detect BSR issues in the virtual development stage even though it is challenging task. The purpose of this thesis is to develop BSR evaluation process using FEA, and to identify the occurrence of BSR at the early stage of the design phase. In this paper, method to identify potential Squeak/Rattle locations in the vehicle sub-system using a contact finite element analysis is presented. In the FEA sub-model version is used and methodology of the analysis is based on the implicit transient or explicit analysis to account for kinematic behavior.