Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Automatic vehicle driving control method and device

A vehicle driving and vehicle technology, which is applied in the traffic control system of road vehicles, vehicle position/route/height control, non-electric variable control, etc., can solve the problem of wrong braking or braking delay of adaptive cruise system, and identification of marked vehicles In this lane, the lane line cannot be recognized well, etc.

Active Publication Date: 2018-09-14
BYD CO LTD
View PDF6 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, for the situation where multiple target vehicles are driving in the tunnel, ranging sensors such as millimeter-wave radar and lidar cannot identify lane lines well
Therefore, the subject vehicle equipped with only millimeter-wave radar or lidar is likely to recognize the target vehicle in this lane as being in a non-own lane, and may recognize the target vehicle in a non-own lane as being in this lane, which may lead to the self-adaptation of the subject vehicle. The cruise system performs wrong braking or braking delay, and the driving safety of the subject vehicle is low

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Automatic vehicle driving control method and device
  • Automatic vehicle driving control method and device
  • Automatic vehicle driving control method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] 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 and are intended to explain the present invention and should not be construed as limiting the present invention.

[0023] The following describes the vehicle automatic control method and device according to the embodiments of the present invention with reference to the accompanying drawings.

[0024] Usually, millimeter-wave radar, lidar, etc. are installed as ranging sensors to sense multiple target vehicles in front of the subject vehicle and adaptively adjust the motion parameters of the cruise system.

[0025] However, in the case of multiple target vehicles driving in a tunnel, ranging sensors such as millimeter-wave radar and lidar cann...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides an automatic vehicle driving control method and device. The method comprises steps that a front target vehicle is identified based on the generated front vehicle identificationrange and a rear target vehicle is identified based on the generated rear vehicle identification range; the tunnel information and the speed limit information are acquired, according to the tunnel information and the speed limit information, setting of the upper cruising speed limit and the cruising safety distance of a main vehicle is changed; focal lengths of a front camera and a rear 3D cameraare adjusted based on the tunnel information; and in-tunnel cruising control on motion parameters of the main vehicle is carried out based on motion parameters of the front target vehicle and the reartarget vehicle. The method is advantaged in that accurate control on in-tunnel cruising can be carried out, and driving safety of the main vehicle is improved.

Description

technical field [0001] The invention relates to the technical field of automobile control, in particular to a method and device for automatic control of vehicle running. Background technique [0002] At present, vehicle adaptive cruise systems usually use millimeter-wave radar, lidar, etc. as ranging sensors. Thus, the subject vehicle can sense a plurality of target vehicles in front of the subject vehicle and adaptively adjust the motion parameters of the cruise system by installing any one of the above-mentioned ranging sensors. [0003] However, for the situation where multiple target vehicles are driving in a tunnel, ranging sensors such as millimeter-wave radar and lidar cannot identify lane lines well. Therefore, the subject vehicle equipped with only millimeter-wave radar or lidar is likely to recognize the target vehicle in this lane as being in a non-own lane, and may recognize the target vehicle in a non-own lane as being in this lane, which may lead to the self-a...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): G05D1/02G08G1/0967
CPCG05D1/0231G08G1/096725
Inventor 黄忠伟姜波
Owner BYD CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com