In March 2008 AXA Winterthur launched a new insurance product for young drivers. The key element is the Crash Recorder, a black box measuring acceleration data in case of an accident. During the first two years 630 accidents, where a car with a Crash Recorder was involved, happened. Out of these 630 acceleration data sets the study concentrates to car to car rear-end collisions where acceleration data was recorded. In 94 rear-end collisions 20s pre-crash acceleration, about 1s crash data and 10s post-crash data in were analyzed. The results show that the initial speed is in 42 % lower than 30 kph. Only 5 % of all collisions were caused with an initial speed of more than 80 kph. In 86 % the driver braked before the collision, in 11 % the car wasn't braked and in 3 % of all cases the data shows, that the car even accelerated prior to the collision. Only 1 % of all braking manoeuvres did reach a mean acceleration of more than 8 m/s2. Most braking manoeuvres showed a mean acceleration value of less than 6 m/s2. The collision speed was in 57 % lower than 20 kph, only in 18 % of all cases the collision speed was above 30 kph. The collision induced change of velocity of the striking car (Av) was in 93 % below 20 kph, only 2 % of all cases are more severe with a Av of more than 30 kph. Young drivers do brake prior to a rear end collision, but they do not brake hard enough. Young drivers seem to be inexperienced in braking. This fact is for the first time proven by acceleration data and should be considered in driver education.


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    Titel :

    Crash recorder: acceleration data of real world accidents


    Weitere Titelangaben:

    Crash-Recorder: Beschleunigungsdaten von Unfällen in der realen Welt


    Beteiligte:
    Sinzig, Bettina (Autor:in) / Aberle, Tobias (Autor:in)


    Erscheinungsdatum :

    2010


    Format / Umfang :

    10 Seiten, 10 Bilder, 4 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Datenträger


    Sprache :

    Englisch





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