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Extrinsic characterization of detection capability supporting automatic lane change

A lane change, autonomous driving technology, applied in the field of systems with feasible sensor range, which can solve the problem of reducing the field of view or range of the sensor

Pending Publication Date: 2022-04-08
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, external conditions may reduce the field of view or range of the sensor

Method used

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  • Extrinsic characterization of detection capability supporting automatic lane change
  • Extrinsic characterization of detection capability supporting automatic lane change
  • Extrinsic characterization of detection capability supporting automatic lane change

Examples

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Embodiment Construction

[0020] The following description is merely exemplary in nature and is not intended to limit the disclosure, the application, or uses of the disclosure. It should be understood that throughout the drawings, corresponding reference numerals indicate like or corresponding parts and features.

[0021] According to an exemplary embodiment, figure 1 An autonomous vehicle 10 is shown. In one exemplary embodiment, autonomous vehicle 10 is a so-called level four or five automation system. A level four system stands for "high degree of automation" and refers to the automated driving system performing all aspects of the dynamic driving task per driving mode, even if the driver does not respond appropriately to the request for intervention. A level five system stands for "full automation" and refers to the automated driving system performing all aspects of the dynamic driving task 24 / 7 in all road and environmental conditions that can be managed by the driver. It should be understood t...

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Abstract

The invention discloses an extrinsic characterization of detection capability supporting automatic lane change. An autonomous driving vehicle, a system and method of operating the autonomous driving vehicle, the system including a sensor and a processor. The processor determines an effective observation area of the sensor, the effective observation area being affected by extrinsic conditions. And the processor determines available time for lane change according to the effective observation area and performs lane change according to the available time.

Description

technical field [0001] The present disclosure relates to autonomous vehicles, and more particularly to a system and method for determining feasible sensor ranges for lane changes on autonomous vehicles. Background technique [0002] Autonomous vehicles perform various calculations when changing lanes. These calculations are based in part on detection or observation using sensors such as radar systems or cameras. The calculations assume that the field of view and / or range of the sensor is always at its maximum capability. However, external conditions may reduce the sensor's field of view or range. External conditions include weather conditions (eg, rain, fog, snow, dirty sensors, etc.), occlusion by objects on the road, and / or occlusion by road terrain (eg, hills). When the calculation does not take into account the actual range or weakening range of the sensors, the decision whether to make a lane change is based on incomplete knowledge of the vehicle's surroundings and i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D1/02G01S13/86G01S13/931
CPCB62D15/0255B60W30/18163B60W2556/25B60W2552/20B60W60/001B60W2520/10B60W2420/403B60W2420/408
Inventor J.S.帕克斯P.A.亚当N.P.库马拉S.C.鲍曼D.费尔德曼
Owner GM GLOBAL TECH OPERATIONS LLC