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논문 기본 정보

자료유형
학술대회자료
저자정보
저널정보
한국자동차공학회 한국자동차공학회 학술강연 논문집 한국자동차공학회 1999년 9월 학술강연 논문집
발행연도
1999.9
수록면
88 - 95 (8page)

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초록· 키워드

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Accident statistics shows that the portion of fatal occupant injuries due to side impacts is considerably high. The side impact usually leads to a severe intrusion of side structure into the passenger compartment. Furthermore, the safely zone for the side impact is relatively small compared to the front impact. These kinds of physics for side impact frequently result in a fatal injury for the occupant. Therefore, NHTSA and EEVC are trying to strengthen the regulation for the occupant protection against side impact. Both the regulation and recent market trends are asking for an installation of side airbag. There are several types of system configuration for side impact sensing. In this paper, we adopt the acceleration-based remote sensing method for the side airbag control system. We mainly focus on the development of hardware and crash discrimination algorithm of remote sensing unit. The crash discrimination algorithm needs fast decision of airbag firing especially for high-speed side impact such as FMVSS 214 and EEVC tests. It is also required to distinguish between low-speed lire and no-lire events. The algorithm should have a sufficient safety margin against any misuse situation such as hammer blow, door slam, etc. This paper introduces several firing criterions such as acceleration, velocity and energy criterions that use physical value proportional to crash severity. We have made a simulation program by using Matlab/Simulink to implement the proposed algorithm.
We have conducted an algorithm calibration by using the real crash data for 2.500cc medium-sized vehicle. The crash performance obtained by the simulation was verified through a pulse injection method. It turned out that the results satisfied the system requirements well.

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ABSTRACT

1.서론

2.측면 충돌시 승객 보호에 대한 법규 동향

3.측면 충동 감지 방식 및 시스템 구성

4.원격 가속도 감지부

5.전산 모이 실험

6.검증

7.결론

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