TY  - CONF
A1  - Kolk, Harald
A1  - Tomasch, Ernst
A1  - Sinz, Wolfgang
A1  - Bakker, Jörg
A1  - Dobberstein, Jan
T1  - Evaluation of a momentum based impact model and application in an effectivity study considering junction accidents
N2  - The advent of active safety systems calls for the development of appropriate testing methods. These methods aim to assess the effectivity of active safety systems based on criteria such as their capability to avoid accidents or lower impact speeds and thus mitigate the injury severity. For prospective effectivity studies, simulation becomes an important tool that needs valid models not only to simulate driving dynamics and safety systems, but also to resolve the collision mechanics. This paper presents an impact model which is based on solving momentum conservation equations and uses it in an effectivity study of a generic collision mitigation system in reconstructed real accidents at junctions. The model assumes an infinitely short crash duration and computes output parameters such as post-crash velocities, delta-v, force directions, etc. and is applicable for all impact collision configurations such as oblique, excentric collisions. Requiring only very little computational effort, the model is especially useful for effectivity studies where large numbers of simulations are necessary. Validation of the model is done by comparison with results from the widely used reconstruction software PC-Crash. Vehicles involved in the accidents are virtually equipped with a collision mitigation system for junctions using the software X-RATE, and the simulations (referred to as system simulations) are started sufficiently early before the collision occurred. In order to assess the effectivity, the real accident (referred to as baseline) is compared with the system simulations by computing the reduction of the impact speeds and delta-v.
KW  - Aktives Sicherheitssystem
KW  - Bewertung
KW  - Deutschland
KW  - Fahrerassistenzsystem
KW  - Geschwindigkeit
KW  - Knotenpunkt
KW  - Konferenz
KW  - Leistungsfähigkeit (allg)
KW  - Numerisches Modell
KW  - Simulation
KW  - Unfall
KW  - Zusammenstoß
KW  - Accident
KW  - Active safety system
KW  - Advanced driver assistance system
KW  - Collision
KW  - Conference
KW  - Digital model
KW  - Effectiveness
KW  - Evaluation (assessment)
KW  - Germany
KW  - Junction
KW  - Output
KW  - Simulation
KW  - Speed
Y1  - 2017
UR  - https://bast.opus.hbz-nrw.de/frontdoor/index/index/docId/1825
UR  - https://nbn-resolving.org/urn:nbn:de:hbz:opus-bast-18253
N1  - Außerdem beteiligt: Daimler AG, Accident Research and Risk Assessment
ER  -