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Vehicle parking assist system

  • US 9,981,656 B2
  • Filed: 10/13/2015
  • Issued: 05/29/2018
  • Est. Priority Date: 10/13/2015
  • Status: Active Grant
First Claim
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1. A parking assist system for a vehicle, comprising:

  • a parking controller configured to output a static or dynamic distance to target signal, wherein the static or dynamic distance to target signal is based on the position of the vehicle relative to a target parking location;

    a scheduler configured to accept the distance to target signal and output a distance error signal based on either the static signal and a linear distance traveled by the vehicle or the dynamic signal, wherein the distance error signal is based on the distance between the vehicle and the target parking location; and

    a control module configured to longitudinally control parking of the vehicle based on the error signal and operated in a first mode in a proportional-integral control and is configured to determine a brake torque based on a difference between a vehicle velocity and a reference velocity, a second mode in a proportional-derivative control based on the distance error signal and a third mode which increases brake torque inversely proportional to the distance error signal.

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