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지성호(SunghoJi),나형현(HyunghyunNa),김종수(Jongsu Kim),박현민(HyunminPark),장익근(IkkunJang),최성욱(SungwookChoi) 한국자동차공학회 2008 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Global car makers or component makers use Door assembly to evaluate Buzz, Squeak, Rattle (BSR) performance of vehicles. The purpose of this study is to provide instructions for performing Objective Squeak and Rattle Door Subsystem and Component Testing. Infact The Door system is one of the major source for vehicle interior noise under a variety of load conditions. If we find noise source of door system, evaluation of customer will be going up. One point of this study's objects is to find easy method for the door subsystem and component in-vehicle road vibration. One point of our objects is to making the BSR test method of static door assembly subsystem and component in-vehicle idle condition. Another object of this study is focuced how can we find BSR noise in Door Speaker's vibration working. This paper describes three challengeable methods by noise measurement of Door subsystem or component. But this paper helps many of engineers to direct innovative solution and overcome many of BSR problems.
자동차 도어 트림 전면 패드가 스피커에 의한 가진시 승차감에 미치는 영향 연구
지성호(Sungho Ji),박현민(Hyunmin Park),전오환(Ohhwan Jeon),김병훈(byunhoon Kim),이현철(Hyunchul Lee) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
The abroad advance of a domestic car increased and A domestic car export is increasing in America market. The sale of the car have been commanded greatly owing to J.D. Power and Associates conducted independent surveys of customer satisfaction A domestic car is true satisfying result in IQS. A Vibration of Doortrim was increased by the speaker compared with former time. The relation is determined with the Door module of the car to the reason. The car to be produced recently is closed completely the outside pannel with the inside pannel of the door because of Sealed module preventing of rainwater and improving of aucoustic. furtermore, An Ansorption pad for door trim exised between insied and outsied was unnecessary. but, by reason of terrivle vibration of the door speaker, We analyzed a vibration problem which brings Sealed Module that has the problem common We analyzed whether the trim-pad covered the whole inside of the doortrim gave the vibration any influence.
중형 승용자동차 가속성능 개선을 위한 차량 평가방법 및 개발기준 연구
김기범(Kibuam Kim),김남귀(Namkwi Kim),박정률(Jungryul Park) 한국자동차공학회 2013 한국자동차공학회 부문종합 학술대회 Vol.2013 No.5
There are various contributors of lack of power such as vehicle weight, engine torque/power, transmission gear ratio and so on but this research only focused on the perspective of engine torque map and automatic transmission shift pattern strategy which can be easily modified to improve vehicle power in a short period. In order to improve vehicle power, customer driving mode and customer complaints regarding lack of power were analyzed in detail based on 2012 Korea marketing IQS(Initial Quality Survey) result and derived market requirement of vehicle acceleration by the evaluation of mid-size vehicles. In this way, this study proposed vehicle evaluation process and development guideline to improve lack of power for mid-size passenger vehicle.
승용자동차 가속성능 부족 소비자 불만 사항에 대한 분석 및 개선 방안 고찰
정필기(Philki Jung),허원준(Wonjun Heo),권한재(Hanjae Kwon),최종호(Jongho Choi),송기준(Kijun Song) 한국자동차공학회 2011 한국자동차공학회 부문종합 학술대회 Vol.2011 No.5
This paper discusses the quantitative approach to the analysis of customer complaint of vehicle power on passenger car. A customer’s complaint about lack of power may be explained by complicated factors such as vehicle weight, engine torque, transmission gear ratio or torque convertor performance. But, this research focused on the components which can be easily modified to improve the vehicle power in a short period and more specifically investigated the relationship between IQS(Initial Quality Survey) index(PPH) and the components related to vehicle power. In order to improve the vehicle power concerned by customer, customer’s complaints were analyzed in detail and correlated with the components which are effect on vehicle power. In this way the relationship between IQS index and the components were derived. This paper also proposed the method of analysis of customer’s complaint and the improvement of vehicle power.