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EDR Pre-Crash Data: Potential For Applications In Active Safety Testing
Swedish National Road and Transport Research Institute, Traffic and road users, Traffic safety, society and road-user.
Swedish National Road and Transport Research Institute, Traffic and road users, Human-vehicle-transport system interaction.ORCID iD: 0000-0002-4169-610X
Swedish National Road and Transport Research Institute, Traffic and road users, Human-vehicle-transport system interaction.
Swedish National Road and Transport Research Institute, Traffic and road users, Vehicle technology and simulation.ORCID iD: 0000-0002-8242-3407
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2013 (English)In: Proceedings of the 23rd International Technical Conference on the Enhanced Safety of Vehicles, May 2013, Seoul, 2013, 13-0414Conference paper, Published paper (Refereed)
Abstract [en]

Passive safety testing has been based on accident research where objective physical evidence can be compiled and analysed when establishing technical test requirements. Active safety tests pose new challenges because objective data is more difficult to obtain. Until pre-crash variables became available in Event Data Recorders (EDR), the only sources of pre-crash vehicle motions were tire marks or witness statements. Both data sources have limitations since they may not always be available and require interpretation by the analyst. The pre-crash EDR data variables provide an objective source of data to active safety test development. However, the suitability of the data has not been thoroughly investigated in the published literature.

The review of existing data shows that the variables identified in the new EDR requirement in FMVSS 563 are useful but incomplete for a comprehensive analysis of vehicle dynamics manoeuvres prior to a crash. In particular, the absence of vehicle yaw rate reduces the positioning accuracy of the vehicle in reconstructions. The objective data in the limited cases were used to compile the frequency of pre-crash braking and steering, and when possible, the magnitude of these driver inputs. Active Safety test development will benefit with more EDR analysis but the older data that does not conform to Part 563 has limited application.

Place, publisher, year, edition, pages
2013. 13-0414
Keyword [en]
Accident, Characteristics, Collision, Data acquisition, Dynamics, Vehicle handling
National Category
Applied Mechanics
Research subject
80 Road: Traffic safety and accidents; 90 Road: Vehicles and vehicle technology
Identifiers
URN: urn:nbn:se:vti:diva-7093OAI: oai:DiVA.org:vti-7093DiVA: diva2:747382
Conference
23rd International Technical Conference on the Enhanced Safety of Vehicles, May 2013, Seoul
Available from: 2014-09-16 Created: 2014-09-16 Last updated: 2016-08-30Bibliographically approved

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Thomson, Robert WilliamSandin, JesperBagdadi, OmarHjort, MattiasAugusto, BrunoAndersson, Håkan
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Traffic safety, society and road-userHuman-vehicle-transport system interactionVehicle technology and simulationCrash safety
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