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GPS data correction for automated vehicle

Technology of a GPS receiver, vehicle, applied in the field of systems

Inactive Publication Date: 2018-04-17
APTIV TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the cost of such a receiver and the amount of data required for such a scheme make this option undesirable

Method used

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  • GPS data correction for automated vehicle
  • GPS data correction for automated vehicle
  • GPS data correction for automated vehicle

Examples

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Embodiment Construction

[0009] figure 1 and figure 2 A non-limiting example of a system 10 for automated operation of a host vehicle 12 and a non-limiting example of a road 14 traveled by the host vehicle 12 are shown, respectively. System 10 includes an object sensor for determining a first polynomial 18 indicative of a preferred steering path 20 for turning host vehicle 12 , typically, first polynomial 18 is based on one of objects 22 detected in the vicinity of host vehicle 12 The relative positions of one or more instances are determined. Object sensor 16 may include a pair of cameras 16A that facilitate detection of objects (such as road signs 22A, road edges 22B, curbs 22C, other vehicles 22D, and / or other objects on or near road 14) for use in determining where to use The host vehicle 12 turns. As will be appreciated by those skilled in the art, the object sensor 16 may also include a radar device 16B that is useful for determining other vehicles 22D or other objects that have not been det...

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PUM

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Abstract

A system (10) for automated operation of a host-vehicle (12) includes an object-sensor (16), a global-positioning-system-receiver (GPS-receiver (26)), and a controller (40). The object-sensor (16) isused to determine a first-polynomial (18) indicative of a preferred-steering-path (20) based on an object (22) detected proximate to a host-vehicle (12). The GPS-receiver (26) is used to determine a second-polynomial (30) indicative of an alternative-steering-path (28) based on a GPS-map (32). The controller (40) is configured to steer the host-vehicle (12) in accordance with the first-polynomial(18) when the object (22) is detected, and steer the host-vehicle (12) in accordance with the second-polynomial (30) when the object (22) is not detected. The improvement allows the system (10) to make use of a less expensive / less accurate version of the GPS-receiver (26), and a less complicated GPS-map (32) than would be anticipated as necessary for automated steering of the host-vehicle (12) using only the GPS-receiver (26) and the GPS-map (32).

Description

technical field [0001] The present disclosure relates generally to systems for operating automated vehicles, and more particularly to a system that aligns or transforms GPS data and available map data with the host vehicle's travel path so that if no Steering appropriate objects (eg lane markings), map data can be used to steer the host vehicle. Background technique [0002] Systems are known for automated operation of a host vehicle that steers the host vehicle upon detection of objects (eg lane markings, curbs, road edges). However, if the host vehicle is navigating through a construction area where all objects have been removed, or existing snow has covered or obscured objects, detection of objects may not be a feasible way to steer the host vehicle. It has been proposed that the host vehicle can be steered by means of high definition map data with centimeter position resolution and a high precision Global Positioning System (GPS) receiver. However, the cost of such a r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D1/02G01S19/24G01S13/931
CPCG05D1/0246G05D1/0278B62D15/025G01S13/867B62D15/0265G01S13/931G01S2013/9318G01S2013/9322
Inventor M·H·劳尔L·孙I·维加严J·K·希夫曼
Owner APTIV TECH LTD
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