This paper describes the deceleration required to avoid collision using a deceleration for collision avoidance (DCA) index, which can be applied to determining the warning provision threshold of a forward obstacle collision warning system (FOCWS). This is equivalent to the collision warning function mentioned above. Moreover, in a situation where the collision risk with the preceding vehicle becomes high, the DCA values are compared with those from other indices, such as time-to collision (TTC) and margin-to-collision (MTC), which are used in conventional FOCWSs. Cases in which the vehicle in front maintains its current acceleration or decelerates abruptly are defined as overt- and potential DCAs, respectively. Numerical simulations are performed to compare the DCA values with time-to-collision and margin-to-collision, which are wellknown indices used to evaluate the potential collision risk in a situation where the possibility of collision with a forward obstacle is high.


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    Titel :

    Collision risk evaluation index based on deceleration for collision avoidance (First report). Proposal of a new index to evaluate collision risk against forward obstacles


    Weitere Titelangaben:

    Kollisionsrisiko-Auswertungsindex basierend auf dem eingeleiteten Bremsvorgang (Erster Bericht). Entwurf eines neuen Indexes zur Auswertung des Kollisionsrisikos bei vorausliegenden Hindernissen


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    2009


    Format / Umfang :

    9 Seiten, 7 Bilder, 11 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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