Drive control method and drive control apparatus

US10611374B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-10611374-B2
Application numberUS-201716315304-A
CountryUS
Kind codeB2
Filing dateJun 7, 2017
Priority dateJul 6, 2016
Publication dateApr 7, 2020
Grant dateApr 7, 2020

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  1. Title

    What the patent document calls the invention.

  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A drive control method controls a drive control amount of a subject vehicle so that the subject vehicle may take a prescribed position with respect to lane markings of a lane in which the subject vehicle is running and reduces a drive control amount adopted when a lateral position of one of the lane markings along which the subject vehicle is running moves in a different direction from a lateral position of the other lane marking smaller than a drive control amount adopted when lateral positions of both the lane markings move in the same direction.

First claim

Opening claim text (preview).

The invention claimed is: 1. A drive control method comprising recognizing lane markings of a lane in which a subject vehicle is running and controlling a drive control amount of the subject vehicle so that the subject vehicle may take a prescribed position with respect to the lane markings of the lane, characterized in that: a judging unit configured to judge if a lateral position of one of the lane markings along which the subject vehicle is running moves in a different direction from a lateral position of the other lane marking is equipped; and when it is judged that a lateral position of one of the lane markings along which the subject vehicle is running moves in a different direction from a lateral position of the other lane marking, the drive control amount is reduced smaller than when lateral positions of both the lane markings move in the same direction. 2. The drive control method as set forth in claim 1 , characterized in that, if it is judged that a lateral position of at least one of the lane markings moves inward and the subject vehicle deviates from the lane, control not to deviate the subject vehicle from the lane is conducted with a control amount larger than the drive control amount, and thereafter, control is conducted with the drive control amount. 3. The drive control method as set forth in claim 1 , characterized in that, if it is judged that a lateral position of at least one of the lane markings moves inward, controls not to deviate the subject vehicle from the lane is conducted with a control amount larger than the drive control amount, and thereafter, control is conducted with the drive control amount. 4. A drive control apparatus comprising: a lane marking recognition circuit to recognize lane markings of a lane in which a subject vehicle is running; a judging unit to decide if a lateral position of one of the lane markings along which the subject vehicle is running moves in a different direction from a lateral position of the other lane marking; and a vehicle control circuit to control a drive control amount of the subject vehicle so that the subject vehicle may take a prescribed position with respect to the lane markings recognized by the lane marking recognition circuit, characterized in that: when it is judged that a lateral position of one of the lane markings along which the subject vehicle is running moves in a different direction from a lateral position of the other lane marking, the vehicle control circuit reduces the drive control amount smaller than when lateral positions of both the lane markings move in the same direction.

Assignees

Inventors

Classifications

  • B60W30/12Primary

    Lane keeping · CPC title

  • Road conditions · CPC title

  • Road Vehicles · CPC title

  • Path keeping {(cruise control for automatically following a preceding vehicle B60W30/165)} · CPC title

  • Direction of travel · CPC title

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Frequently asked questions

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What does patent US10611374B2 cover?
A drive control method controls a drive control amount of a subject vehicle so that the subject vehicle may take a prescribed position with respect to lane markings of a lane in which the subject vehicle is running and reduces a drive control amount adopted when a lateral position of one of the lane markings along which the subject vehicle is running moves in a different direction from a latera…
Who is the assignee on this patent?
Nissan Motor
What technology area does this patent fall under?
Primary CPC classification B60W30/12. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Apr 07 2020 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 5 related publications on this page (citations in our corpus or others sharing the same primary CPC).