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Autonomous driving system for a vehicle and method for carrying out the operation

  • US 20150375757A1
  • Filed: 06/24/2015
  • Published: 12/31/2015
  • Est. Priority Date: 06/30/2014
  • Status: Active Grant
First Claim
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1. An autonomous driving system for a vehicle, comprising:

  • a computer unit, which evaluates surroundings-related and vehicle-related data acquired with the aid of sensors and carries out an autonomous driving operation based on the data;

    a lead time calculator assigned to the computer unit, the lead time calculator determining a lead time required for an intervention by the driver by evaluating the surroundings-related and vehicle-related data; and

    a comfort time calculator assigned to the computer unit, the comfort time calculator calculating a reaction time of the driver by evaluating driver-related data, the comfort time calculator continuously comparing the lead time with the reaction time and determining a comfort time by taking the difference between the lead time and the reaction time, wherein the comfort time calculator initiates no measures as long as the comfort time is greater than zero, and wherein the comfort time calculator initiates a countermeasure only when the comfort time reaches zero, the countermeasure including at least one of a prewarning of the driver, a mode change of the driving system, and reducing the vehicle speed.

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