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캠타입 구동방식의 신규 파킹시스템의 다물체 동역학 해석 모델 개발
김주연(Jooyeon Kim),정우현(Woohyeon Jeong),서희수(Heesoo Seo),신혜정(Haejeong Shin),이상호(Sangho Lee),김남욱(Namwook Kim) 한국자동차공학회 2023 한국자동차공학회 학술대회 및 전시회 Vol.2023 No.11
A conventional parking system of automobile is built in an automatic transmission(AT). This system is responsible for the safety performance and sends the drivers intention to the vehicle. In checking these functions, a design verification has been performed by using three indicators through the simulations of multibody dynamics. This analysis technique was applied to the development of parking systems suitable for the number for vehicles, the error from the test was satisfied within 10% on average. For the cost down purpose, a new parking system has been developed that can perform the original function with a simpler structure than the conventional type. The Grubler formula was used to determine the structural complexity of the parking system. The new system consists of a rotating cam drive type, not a rod assembly type. When new system was applied to the vehicle, it was verified by using the simulation that had the same performance characteristics as the conventional system. As a result, it was confirmed that it could be used.
서희수(Heesoo Seo),김주연(Jooyeon Kim),이성훈(Sunghoon Lee),신혜정(Haejeong Shin),이상호(Sangho Lee) 한국자동차공학회 2023 한국자동차공학회 부문종합 학술대회 Vol.2023 No.5
Mounting a twin motor is one way to reduce the weight and size of a driving motor of an electric vehicle. When twin motors are applied, parking systems must also be applied to each motor, so mechanical considerations are more complicated. Double parking systems require additional performance review items from existing parking systems. For double parking systems, scenarios that were not considered in the single type, such as left/right asymmetry and the force required to operate both systems, should be considered. The simulation was studied in terms of safety functional aspects, which are the original purpose of the parking system, and emotional quality aspects closely related to safety.