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Safety benefits of integrated pedestrian protection systems

Title
Safety benefits of integrated pedestrian protection systems
Author
오철
Keywords
Traffic safety; Pedestrian accidents; Active safety; Passive safety; Pedestrian airbag
Issue Date
2016-06
Publisher
KOREAN SOC AUTOMOTIVE ENGINEERS-KSAE
Citation
INTERNATIONAL JOURNAL OF AUTOMOTIVE TECHNOLOGY, v. 17, No. 3, Page. 473-482
Abstract
This study developed a methodology for evaluating the effectiveness of an integrated pedestrian protection system (IPPS) based on simulations. The proposed IPPS consists of active and passive vehicular systems for protecting pedestrians, including a pedestrian warning information system (PWIS), an active hood lift system (AHLS), and pedestrian airbag system (PAS). Two simulation methods were applied in the proposed methodology: a driving simulation and a finite element simulation. A driving simulator was used to obtain the change in collision speed, which is a key parameter for evaluating driving behavior when a PWIS is applied. In addition, a well-known simulator for finite element analysis, LSDYNA was used to simulate the impact of a pedestrian on a vehicle hood in a pedestrian-vehicle collision. The head injury criterion (HIC), which is an outcome of LS-DYNA simulations, is a major parameter for evaluating passive safety systems. The probability of pedestrian fatalities by collision speeds and HICs were estimated to quantify the safety benefits of an IPPS based on the statistical analyses. The results showed that an IPPS is capable of reducing pedestrian fatalities by approximately 90 % associated with jaywalking in the midblock and walking on the roadside. The findings of this study can be used to boost the development of various vehicular technologies for pedestrians. The results can be effectively used for policy making and deriving legislative requirements associated with advanced vehicular technologies for enhancing pedestrian safety.
URI
https://link.springer.com/article/10.1007/s12239-016-0049-2http://hdl.handle.net/20.500.11754/65490
ISSN
1229-9138; 1976-3832
DOI
10.1007/s12239-016-0049-2
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > TRANSPORTATION AND LOGISTICS ENGINEERING(교통·물류공학과) > Articles
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