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Method to determine an evasion trajectory for a vehicle

A technology of track and vehicle, applied in the field of evasive track for finding vehicles

Inactive Publication Date: 2017-08-04
ADAM OPEL AG
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, how the collision avoidance control information can be obtained and processed in the brake control unit and the steering control unit in order to actually avoid an imminent collision remains open

Method used

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  • Method to determine an evasion trajectory for a vehicle
  • Method to determine an evasion trajectory for a vehicle
  • Method to determine an evasion trajectory for a vehicle

Examples

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Embodiment Construction

[0037] figure 1 A motor vehicle 1 is shown, which is equipped with a driver assistance system according to the invention and is driving on a road 2, here a two-lane road. The vehicle parked on the side of the road blocks a part of the lane 4 of the road surface 2 on which the vehicle 1 is traveling, and therefore becomes an obstacle 3 that the vehicle 1 must bypass to avoid collision.

[0038] Another vehicle 5 is driving on the opposite lane 6 of the road surface 2. When the motor vehicle 1 detours in a direction relative to the vehicle 6 in order to bypass the obstacle 3, it is not allowed to cause a collision with the vehicle 5 as a result.

[0039] figure 2 A block diagram of the driver assistance system 7 is shown, and the motor vehicle 1 is equipped with the driver assistance system 7. Speedometer 17 and environmental sensor 8. Here the camera belongs to the driver assistance system 7. The camera is aimed at the road surface 2 in front of the motor vehicle 1. It is not only...

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Abstract

A method for finding an evasive trajectory for avoiding an obstacle (3,5) for a vehicle on a roadway (2) is related. A component (x)(S3-S6) of a candidate trajectory parallel to the roadway (2) is determined by selecting weighting coefficients (b(0)k) of a first weighted sum of orthogonal functions of time. A component (y)(S3-S6) of the candidate trajectory orthogonal to the roadway is determined by selecting weighting coefficients (c(0)k) of a second weighted sum of the orthogonal functions. An optimization parameter (TTC*) for the candidate trajectory is calculated. At least one coefficient of at least one of the sums is modified and the procedure is repeated when the optimization parameter (TTC*) does not reach a termination criterion.

Description

Technical field [0001] The present invention relates to a method for finding a dodge trajectory where a vehicle can bypass an obstacle and a component for performing the method. Background technique [0002] From EP 2 141 057 A1, a method and a device for avoiding collisions of vehicles with obstacles are known. This document proposes to predict the trajectory of the vehicle based on the measurement signals of various sensors, and when the predicted trajectory is too close to an obstacle, output collision avoidance control information and output warnings to the brake control unit and the steering control unit. However, how to obtain the collision avoidance control information and how to process it in the brake control unit and the steering control unit in order to avoid the impending collision is still pending. Summary of the invention [0003] The technical problem to be solved by the present invention is to realize a method that can reliably avoid collisions with detected obsta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W30/09B60W30/095
CPCB60W30/09B60W30/0953B60W30/0956B60W2540/18B60W2520/105B60W2520/125B60W2556/50B60W2554/00B62D15/0265B60W30/12B60W2420/403B60W2420/408B60W10/18B60W10/20B60W2710/20G08G1/165
Inventor F.博纳伦斯J.费迪南德
Owner ADAM OPEL AG
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