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Travel control device

  • US 10,155,515 B2
  • Filed: 02/17/2017
  • Issued: 12/18/2018
  • Est. Priority Date: 02/18/2016
  • Status: Active Grant
First Claim
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1. A travel control device comprising:

  • a surrounding detection unit that detects a surrounding situation of a vehicle;

    an intention detection unit that detects a lane change intention of a driver of the vehicle;

    a lane keep controller that executes lane keep control by using a detection result of a lane mark by the surrounding detection unit; and

    a lane change controller that, in response to the detection of the lane change intention detected by the intention detection unit, determines whether lane change is available or unavailable by using a detection result of an obstacle detected by the surrounding detection unit, and executes lane change control if the lane change controller determines that the lane change is available,wherein the lane keep controller continues the lane keep control when the intention detection unit detects the lane change intention during the lane keep control and when the lane change controller determines that the lane change is unavailable, andwherein the lane keep controller continues the lane keep control when, after the lane change controller determines that the lane change is available and before the detection of the lane change intention by the intention detection unit, the lane change controller changes the determination to the determination that the lane change is unavailable.

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