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Lane departure detection method and system for vehicle, and vehicle

A lane departure and detection method technology, applied in the field of systems, vehicles, and vehicle lane departure detection methods, can solve problems such as failure to prevent reminders to drivers and correct them, affecting the accuracy of vehicle departure recognition results, and inability to ensure driving safety, etc. To achieve the effect of improving driving safety

Inactive Publication Date: 2018-04-27
BORGWARD AUTOMOTIVE CHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Among them, the calibration process of the camera is not only complicated but also easily affected by factors such as the installation angle. If the vehicle vibrates during driving, it will affect the calibration results, which in turn will affect the accuracy of the vehicle deviation recognition results.
In addition, the existing EPS (Electric Power Steering, electric power steering system) can only provide speed assist under normal vehicle conditions and driving conditions, and does not prevent the automatic steering function caused by a tire blowout and remind the driver when he deviates from the driving route And the function of correcting the steering wheel angle cannot guarantee driving safety

Method used

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  • Lane departure detection method and system for vehicle, and vehicle
  • Lane departure detection method and system for vehicle, and vehicle
  • Lane departure detection method and system for vehicle, and vehicle

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Embodiment Construction

[0034] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0035] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element refe...

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Abstract

The invention provides a lane departure detection method and system for a vehicle, and the vehicle. The method comprises the following steps: acquiring position and posture information of the vehiclein a current lane; obtaining lateral distances between front wheels of the vehicle and lane lines according to the position and posture information of the vehicle; and if the lateral distances are less than the preset value, determining that the vehicle departs from the current lane. The lane departure detection method can accurately detect whether the vehicle departs from the lane or not in realtime, so that an alarm message can be sent to the user when the lane departure occurs, and the driving safety is greatly improved.

Description

technical field [0001] The invention relates to the technical field of automobiles, in particular to a vehicle lane departure detection method, system and vehicle. Background technique [0002] According to statistics, a large part of the traffic accidents on the expressway is due to the driver's negligence causing the vehicle to deviate from the driving route but not correcting the steering wheel angle in time to cause a collision. There are many reasons for the vehicle to deviate from the driving route, such as tire blowout, vehicle four-wheel alignment deviation, high-speed crosswind or uneven road surface, and these reasons are difficult to completely avoid. [0003] At present, for the formulation of lane departure recognition, the strategies of major foreign ADAS (Advanced Driver Assistant System, advanced driver assistance system) developers vary widely. The current lane departure recognition strategies all need to calibrate the camera first, then construct the geome...

Claims

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Application Information

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IPC IPC(8): B60W40/06B60W30/12B60W50/14
CPCB60W30/12B60W40/06B60W50/14B60W2530/00B60W2552/35B60W2710/20
Inventor 霍强
Owner BORGWARD AUTOMOTIVE CHINA CO LTD
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