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Preceding vehicle following control system

  • US 6,459,982 B1
  • Filed: 07/19/2000
  • Issued: 10/01/2002
  • Est. Priority Date: 07/19/1999
  • Status: Expired due to Term
First Claim
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1. A preceding vehicle following control apparatus for controlling a controlled vehicle, the vehicle following control apparatus comprising:

  • a vehicle speed sensor to sense an actual vehicle speed of the controlled vehicle;

    a vehicle spacing sensor to sense actual vehicle spacing from the controlled vehicle to a preceding vehicle;

    a vehicle speed controller to vary the actual vehicle speed of the controlled vehicle in accordance with a desired vehicle speed;

    an anti-lock brake controller to perform an anti-lock brake control for preventing wheel locking; and

    a vehicle speed controller to determine the desired vehicle speed in accordance with the actual vehicle speed and the actual vehicle spacing, the controller comprising, a following control section to perform a preceding vehicle following control by setting a desired vehicle spacing from the controlled vehicle to a preceding vehicle in accordance with the actual vehicle speed and actual vehicle spacing and determining the desired vehicle speed to bring actual vehicle spacing closer to desired spacing, a deceleration control section to perform a deceleration control determining the desired vehicle speed to decrease the actual vehicle speed of the controlled vehicle, and a mode change control section to cancel the following control of the following control section and instead compulsorily initiating the deceleration control of the deceleration control section in response to a start of the anti-lock brake control of the anti-lock brake controller.

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