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Automated braking system

A braking system and actuator technology, applied in automatic starting devices, brakes, radio wave measurement systems, etc., can solve problems such as inability to distinguish overpasses, inability to detect, and false detection.

Inactive Publication Date: 2019-01-22
APTIV TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Typical radar sensors cannot distinguish between overpasses and objects under the overpass, which can lead to false detections and / or failure to detect objects on the road under the overpass

Method used

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  • Automated braking system
  • Automated braking system
  • Automated braking system

Examples

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Embodiment Construction

[0015] figure 1 A non-limiting example of an automated braking system 10 (hereinafter system 10 ) for use on an automated vehicle 12 (hereinafter host vehicle 12 ) is shown. As will be described in more detail below, the system 10 is an improvement over existing braking systems in that the system 10 is configured to more accurately determine the height 14 of the object 16 and control the height of the host vehicle 12 based on the height 14 by using the ranging sensor 18 . Move 20. As used herein, the term "automated vehicle" is not intended to suggest that fully automated or autonomous operation of host vehicle 12 is required. It is contemplated that the teachings presented herein are applicable to instances where the host vehicle 12 is entirely manually operated by a human and the automation merely provides assistance to the human and possibly operates the brakes of the host vehicle 12 to prevent the host vehicle 12 from colliding with other vehicles 22 .

[0016] System 10...

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Abstract

An automated braking system for use on an automated vehicle includes a braking-actuator, a ranging-sensor, a digital-map, and a controller. The braking-actuator controls movement of a host-vehicle. The ranging-sensor detects a distance, a direction, and an elevation of targets in a field-of-view of the ranging-sensor. The field-of-view includes a roadway. The digital-map defines a travel-route ofthe host-vehicle and specifies a gradient of the roadway. The controller is in communication with the braking-actuator, the ranging-sensor, and the digital-map. The controller determines that a first-collection of the targets above a horizon is an overpass when the gradient indicates that the roadway descends below the overpass. The controller disregards the first-collection of targets associatedwith the overpass when the gradient is indicated, and activates the braking-actuator when the controller determines that a second-collection of targets from below the horizon are an obstruction on thetravel-route beneath the overpass.

Description

technical field [0001] The present disclosure relates generally to automated braking systems, and more particularly to automated braking systems that detect objects under overpasses. Background technique [0002] It is known to detect overpasses across roads by using radar sensors. Typical radar sensors cannot distinguish between overpasses and objects under the overpass, which can lead to false detections and / or failure to detect objects on the roadway under the overpass. Summary of the invention [0003] According to an embodiment, an automated braking system for an automated vehicle is provided. The automated braking system includes brake actuators, ranging sensors, digital maps, and controllers. A brake actuator controls movement of the host vehicle. The ranging sensor detects the distance, direction and height of objects in the range sensor's field of view. The field of view includes the road on which the host vehicle is traveling. The digital map defines the tra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W30/09G01S13/931G01S17/931
CPCB60W30/09B60W2554/00G01S17/46G01S13/426G01S13/46G01S13/931G01S2013/466G01S2013/9322G01S2013/93185G01S2013/9323G01S2013/93271G01S17/931B60T7/22B60T2210/10B60T8/171
Inventor P·K·普拉萨德
Owner APTIV TECH LTD