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국회도서관 홈으로 정보검색 소장정보 검색

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Abstract 8

국문 초록 10

1 서론 12

2 어드밴스드 에어백 시스템 16

2.1 ACU 의 구성 16

2.2 충돌 신호 특성 17

2.3 에어백 점화회로 19

3 충돌 판별 알고리즘 20

4 충돌 정도 알고리즘 30

4.1 오프셋, 경사 충돌의 보상 계수 결정 33

4.2 폴 충돌의 보상 계수 생성 35

4.3 충돌 정도 결정 38

5 에어백 커넥터 시스템 50

5.1 에어백 커넥터의 구조 및 문제점 50

5.2 열 노화 시험 52

5.3 피로 시험 53

5.4 열 노화 커넥터의 피로시험 55

6 결론 63

Reference 65

표목차

Table 5-1 Results of thermal cycling test 56

그림목차

Fig 1-1 Location of ACU and satellite sensors 15

Fig 1-2 Frontal crash Modes 15

Fig 3-1 Comparison of velocity changes for NF/MF 26

Fig 3-2 Velocity changes of full frontal crash 26

Fig 3-3 Comparison of velocity changes for NF/MF 27

Fig 3-4 Summation of ∑|△g| for full frontal crash 27

Fig 3-5 Block diagram of the crash discrimination algorithm 28

Fig 3-6 Determination of Time to fire by ∑g 29

Fig 3-7 Determination of Time to Fire by ∑|△g| 29

Fig 4-1 Velocity gap from the full frontal crash 40

Fig 4-2 Velocity gap of offset crash from satellite sensors 41

Fig 4-3 Velocity change of oblique crash from satellite sensors 41

Fig 4-4 Comparison of the velocity gap 42

Fig 4-5 Comparison of the CF for ODB/OBL 42

Fig 4-6 A ratios of the 1st metric 43

Fig 4-7 A ratios of the 2nd metric 43

Fig 4-8 A ratios of the 3rd metric 44

Fig 4-9 The Compensation Factor of the 1st metric calculated at every 10g 45

Fig 4-10 The Compensation Factor of the 2nd metric calculated at every 10g 45

Fig 4-11 The Compensation Factor of the 3rd metric calculated at every 10g 46

Fig 4-12 Block diagram of the crash severity algorithm 47

Fig 4-13 Determination of the crash severity by 1st metric 48

Fig 4-14 Determination of the crash severity by 2nd metric 48

Fig 4-15 Determination of the crash severity by 3rd metric 49

Fig 5-1 Air bag connection system 57

Fig 5-2 The components of connector 57

Fig 5-3 The retainer and inflator terminal 57

Fig 5-4 Thermal cycling test condition 58

Fig 5-5 The fatigue test setup 59

Fig 5-6 Labview program for measurement of voltage 59

Fig 5-7 The fatigue test device 60

Fig 5-8 Acceleration by sinusoidal pulse and measured load 60

Fig 5-9 Results of fatigue test 61

Fig 5-10 Results of fatigue test after thermal test 62