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저온 고속 조건하의 플라스틱 소재 파손 특성에 관한 연구
김수상(Soosang Kim),이강욱(Kangwook Lee),안병재(Byungjae Ahn) 한국자동차공학회 2009 한국자동차공학회 부문종합 학술대회 Vol.2009 No.4
Automotive cockpit module should be designed with considerations of design trend and its function. It has to meet regulations like domestic safety standard 88, ECE 21, FMVSS 201 as functional part. It also has to meet passenger airbag deployment requirement requested by OEM. In case of passenger airbag deployment test, it is performed under temperature controlled conditions like cold, room, hot temperature. The deployment test is done in very short time. FE analysis is used to predict the performance of passenger airbag deployment in advance. To do FE analysis of passenger airbag deployment, rate dependent material data with fracture characteristics under temperature condition is required. This study is about the rate dependent material properties with fracture characteristics under temperature condition.
마그네슘 다이캐스팅 공법 적용 경량 카울크로스멤버 부품개발
김두연(Dooyeon Kim),김수상(Soosang Kim),박형상(Hyungsang Park),이우식(Woosik Lee),오제하(Jeha Oh),황종원(Jongwon Hwang) 한국자동차공학회 2009 한국자동차공학회 학술대회 및 전시회 Vol.2009 No.11
The Element who is a environmental contamination and an automobile fuel efficiency improvement the automobile lightweight is to in the process of advancing. The magnesium alloy from in the utility metal with the lightest metal in the lithosphere element is abundant at 6th and has the vibration which is excellent and a shocking absorbability and the subject matter quality of electromagnetic waves screening characteristic etc. The overseas’s various magnesium cross members are executed a benchmarking evaluation in the object. Set the goal, physical properties and a parts lightweight of above on equal level with aim, Applied AM60B magnesium alloy, at the first among nation the lightweight magnesium cowl cross member with die casting method developed. Crash test results were excellent. Development result, Accomplished a lightweight 30% and reduced parts.
Cockpit 모듈 Knee Impact 해석을 위한 Lower-Body Impactor Model 의 적용 타당성에 관한 연구
이강욱(Kangwook Lee),김수상(Soosang Kim),여태정(Taejung Yeo) 한국자동차공학회 2003 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
One of the functions of cockpit module is to reduce the occupant's knee injury at a crash accident. Cockpit modules have knee bolster and energy absorption brackets to meet this purpose. Especially, knee protection is crucial when the crash occurs with unbelted occupant condition. In the design stage of cockpit module, the knee protection performance needs to be verified by numerical simulation before real tests is performed. For doing knee impact simulation, lower-body impactor model has been used but the validation of using the impactor model was not clear because dummy upper-body and airbag are included in the real test. In this paper, the validation of lower-body impactor model was performed by multi-body occupant analysis with airbag and dummy. Finally, the knee injury by<br/> using FE model of cockpit module & lower-body model was compared to real sled test and the resulsts are discussed.<br/>
에어서스펜션 시스템의 승차감 및 조종안정성 향상을 위한 최적 차고 선정 연구
박철우(Chulwoo Park),김수상(Soosang Kim),김한수(Hansoo Kim),한상수(Sangsoo Han) 한국자동차공학회 2017 한국자동차공학회 학술대회 및 전시회 Vol.2017 No.11
The air suspension system automatically controls the vehicle height. This height control has the advantage of being able to keep the vehicle height constantly regardless vehicle load variation so that it can maintain in the design height. In addition, aerodynamic advantages can be achieved by lowering the vehicle height at high speeds. When driving on rough roads, the impact from the road surface can be reduced by raising the vehicle height. In this study, we propose a method to improve R&H performance by selecting optimal vehicle height. And also propose selected the optimal vehicle height according to the driving situation by linking the air suspension system with the driving mode function of the vehicle. Finally, propose a method to improve the R&H according to the driving mode.
육상덕(Sangduck Youk),김수상(Soosang Kim),조봉근(Bonggeun Cho),하성필(Seongpil Ha) 한국자동차공학회 2017 한국자동차공학회 학술대회 및 전시회 Vol.2017 No.11
Braking characteristics are a very important element in vehicle performance. In this regard, the most common technology used to date is to obtain the maximum friction between the tyre and the road surface through the ABS control. However, most of the ABS developments have been carried out on vehicles. These developments have temporal / spatial limitations. Using simulation techniques as an alternative to resolving problems, this paper is used to execute the ABS through the simulation technique and demonstrate that the results have been correlated.