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Incidence of Frontal Impact Accidents and Crash Testing of Cars Equipped with Collision Imminent Braking Systems
Technical Paper
2011-01-1099
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The number of vehicles equipped with automatic emergency braking systems is rising. Today most high-end auto makers offer pre-crash systems with a sensor-based collision warning feature. These systems warn the driver both audibly and visually when their sensors detect an imminent crash. Depending on system range, the occupants are moved into an optimized position, seat belts are pretensioned and the brakes are prepared for faster or, if necessary, maximum deceleration. A key feature of these systems is their ability to provide autonomous partial to full emergency braking in critical situations, thereby reducing collision speeds.
Until now, crash tests have failed to mirror accident situations in which vehicles are braked prior to impact. Thus, it has not been possible to test the effectiveness of pre-crash occupant positioning or to reproducibly analyze the benefits of occupant preconditioning by pre-crash systems.
This paper will give a statistical overview of the incidence of frontal impact accidents. It will also present a crash test on a BMW 5 series equipped with a prototype pre-crash system and automatic full emergency braking. The car is decelerated automatically from the Euro NCAP test speed of 64 kph to 40 kph whilst still being routed by the crash test centre's intelligent hauling system. This test was conducted complementary to the efforts of the vFSS Working Group (Advanced Forward-looking Safety Systems).
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Citation
Egelhaaf, M. and Rücker, P., "Incidence of Frontal Impact Accidents and Crash Testing of Cars Equipped with Collision Imminent Braking Systems," SAE Technical Paper 2011-01-1099, 2011, https://doi.org/10.4271/2011-01-1099.Also In
Safety Test Methodology and Structural Crashworthiness and Occupant Safety, 2011
Number: SP-2304; Published: 2011-04-12
Number: SP-2304; Published: 2011-04-12
References
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- Weißbuch der Europäischen Kommission vom 12 September 2001 “Die Europäische Verkehrspolitik bis 2010: Weichenstellungen für die Zukunft” (European transport policy for 2010: time to decide) Brussels 2001
- Statistisches Bundesamt (German Federal Statistical Office) Verkehrsunfälle 2009 (Road Traffic Accidents 2009) Wiesbaden 2010
- International Road Traffic and Accident Database (IRTAD)
- DEKRA Automobil GmbH Road Safety Report 2008 - Strategies for preventing accidents on Europe's roads Stuttgart 2008 http://www.dekra.de/de/evs-report
- RCAR http://www.rcar.org/
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