A Simulation Study of Sled Test Method Considering Passenger behavior in Autonomous Emergency Braking (AEB) Events

Young Myoung So; Ho Kim; Junsuk Bae

doi:10.22680/kasa2024.16.3.038

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2024 Vol.16, Issue 3 Preview Page Next Page

A Simulation Study of Sled Test Method Considering Passenger behavior in Autonomous Emergency Braking (AEB) Events 자동긴급제동 시 탑승자 거동을 고려한 슬레드 시험 방안의 해석적 연구

30 September 2024. pp. 38-46

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Abstract

Due to its good repeatability and reproducibility, sled test is an effective way to study the occupant behavior during car crash but sled test is not suitable to simulate long term events (>1000 msec) such as autonomous emergency braking (AEB) which accompanies over 1 second of braking stage before crash. The behavior of dummies at different AEB levels are assessed using the Hybrid-III 50% male dummy and 5% female dummy FE models. Behavior of dummies are studied at different postures like normal posture, relaxed posture, and long-sliding relaxed posture. Dummy behavior from prepositioning (presetting the dummy as dummy will be positioned after AEB activation) and that from full event simulation which includes AEB activation as well as crash will be compared to check the effectiveness of prepositioning. Furthermore, based on the observation that the forward excursion of dummy head remains at a certain level with the lapse of time, we evaluated the applicability of time-shortened pulses method as well. Prepostioning method can be applied to normal posture, but it is not applicable to the relaxed posture, and it is confirmed that it can be corrected by applying the time-shortened pulses method.

Keywords

Autonomous emergency braking(자동 긴급 제동)

Occupant kinematics(승객 거동)

Occupant safety(승객 안전)

Vehicle safety(차량 안전)

Sled test(슬래드 시험)

References

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Information

Publisher :Korean Auto-vehicle Safety Association
Publisher(Ko) :한국자동차안전학회
Journal Title :Journal of Auto-vehicle Safety Association
Journal Title(Ko) :자동차안전학회지
Volume : 16
No :3
Pages :38-46
Received Date : 2024-05-14
Revised Date : 2024-08-16
Accepted Date : 2024-08-20
DOI :https://doi.org/10.22680/kasa2024.16.3.038

Journal of Auto-vehicle Safety Association ISSN:2005-9396(Print) 자동차안전학회지

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