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Detecting and responding to tailgaters

  • US 8,818,681 B1
  • Filed: 07/24/2013
  • Issued: 08/26/2014
  • Est. Priority Date: 07/24/2013
  • Status: Active Grant
First Claim
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1. A method of controlling a first vehicle, the method comprising:

  • detecting a second vehicle behind the first vehicle;

    determining whether the second vehicle is a tailgater based on a comparison of the distance threshold to a distance between the second vehicle and the first vehicle;

    determining, by a processor, a difference in distance between a distance threshold and the distance between the second vehicle and the first vehicle;

    determining an amount of time for the first vehicle to travel the difference;

    increasing a minimum headway buffer defined in time between the first vehicle and a third vehicle in front of the first vehicle using the amount of time; and

    controlling the first vehicle based on the increased minimum headway buffer.

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