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VEHICLE SYSTEM FOR CONTROL OF VEHICLE SAFETY PARAMETERS, A VEHICLE AND A METHOD FOR CONTROLLING SAFETY PARAMETERS

  • US 20150012185A1
  • Filed: 06/12/2014
  • Published: 01/08/2015
  • Est. Priority Date: 07/03/2013
  • Status: Active Grant
First Claim
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1. A vehicle system for control of vehicle safety parameters, the system being arranged to determine a closing velocity between a host vehicle exterior portion and an external object, or a part thereof, in a road environment where the host vehicle and the external object approach each other, the system comprising:

  • image capturing means arranged at a first position of the host vehicle, the image capturing means being arranged to detect a field of view in a first direction and an extension of the external object, or a part thereof, in the field of view;

    processing means arranged to estimate a time to collision between the first position and the external object, or the part thereof, from a change of ratio between the field of view and the extension of the external object, or the part thereof; and

    a sensor arrangement arranged to detect a collision between the host vehicle exterior portion and the external object;

    wherein the processing means further are arranged to determine a closing velocity between the host vehicle exterior portion and the external object, or the part thereof, for each of a plurality of time instances by dividing a distance between the first position and the host vehicle exterior portion by the estimated time to collision between the first position and the external object, or the part thereof, and the vehicle system is arranged to control one or more vehicle safety parameters as a function of a determined closing velocity.

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