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Lane departure warning system

A lane departure and warning system technology, applied in the field of implementation of the lane departure warning function, can solve the problem of not adapting to the angle between the traction line and the resistance line

Active Publication Date: 2015-09-09
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Additionally, current LDW systems typically do not accommodate the attached trailer's lead and drag line angles, which indicate trailer sway or other trailer conditions that inadvertently position the trailer outside of the lane in which the vehicle is traveling.

Method used

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Embodiment Construction

[0045] For the purposes of this description, the terms "upper", "lower", "right", "left", "rear", "front", "vertical", "horizontal" and their derivatives shall be used as Figure 4-9 The orientations shown in are relevant to the present invention. However, it is to be understood that the invention may assume various alternative orientations unless expressly indicated to the contrary. It is also to be understood that the specific devices and processes illustrated in the accompanying drawings and described in the following specification are merely exemplary embodiments of the inventive concepts defined by the appended claims. Therefore, specific dimensions and other physical characteristics relating to the embodiments disclosed herein are not to be considered as limiting, unless expressly defined otherwise in the claims.

[0046] refer to Figure 1A and 1B, the vehicle 100 has a trailer 105 attached thereto. Vehicle 100 has a respective width W1 and trailer 105 has a respecti...

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Abstract

A lane departure warning system has a trailer detector for detecting that a trailer is attached to a vehicle, a lane boundary detector for detecting a position of a lane boundary on a roadway over which the vehicle is travelling, and an information processor including a calibrator for generating calibration parameters used in determining an unintended lane departure event with respect to the lane boundary. The information processor initiates a process for allowing an operator to provide trailer width information when the trailer detector indicates that the vehicle is towing a trailer. The lane departure warning system also includes a sensor for detecting a hitch angle between the vehicle and the trailer. A controller determines a lateral offset of the trailer relative to the vehicle based on the hitch angle and a length of the trailer for generating a warning signal when the lateral offset crosses the lane boundary.

Description

[0001] Cross References to Related Applications [0002] This application is a continuation-in-part of US Patent Application Serial No. 13 / 190,010, filed July 25, 2011, entitled "Width Calibration Of Lane Departure Warning System." The above related application is hereby incorporated by reference. technical field [0003] The disclosure provided herein relates generally to driver assistance features, and more specifically to the implementation of lane departure warning functionality for vehicles that tow a trailer. Background technique [0004] Lane Departure Warning (LDW) systems provide the functionality to warn the driver of a vehicle when the vehicle deviates from the lane it is traveling in without using a lane change indicator. In this regard, the LDW system interprets lane departures (eg, when the vehicle is traveling at or above a certain speed) as unintentional lane departures without the use of turn indicators. Typically, based on the known width (eg, track width...

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Application Information

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IPC IPC(8): B60W30/12B62D15/02G08G1/16
CPCG08G1/167B60W30/12B60W2050/0075B62D15/025
Inventor 杰弗里·瓦拉特约翰·罗伯特·范·维米尔斯史蒂文·耶林·斯琼道夫布莱恩·本尼蒂莫西·普鲁丁布莱恩·沃尔斯基
Owner FORD GLOBAL TECH LLC
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