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Adaptive cruise control system for vehicle

  • US 6,769,504 B2
  • Filed: 02/27/2002
  • Issued: 08/03/2004
  • Est. Priority Date: 03/26/2001
  • Status: Active Grant
First Claim
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1. An adaptive cruise control system for a host vehicle, comprising:

  • a preceding vehicle detecting device configured to detect a preceding vehicle ahead of the host vehicle and to obtain an inter-vehicle distance between the host vehicle and the preceding vehicle on the basis of the detection result of the preceding vehicle detecting device;

    a vehicle speed detecting device detecting a host vehicle speed of the host vehicle; and

    a controller coupled to the preceding vehicle detecting device and the vehicle speed detecting device, the controller being arranged to execute a vehicle speed control of the host vehicle on the basis of detection results of the preceding vehicle detecting device and the vehicle speed detecting device, and to cancel the vehicle speed control when;

    a) the preceding vehicle detecting device is incapable of detecting the preceding vehicle; and

    b) the inter-vehicle distance obtained at a moment just before the preceding vehicle detecting device becomes incapable of detecting the preceding vehicle is smaller than or equal to a predetermined value.

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