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Safety stoppage device and method for safety stoppage of an autonomous vehicle

A technology for autonomous vehicles and safe parking, applied in fail-safe aspects, automatic starting devices, vehicle position/route/altitude control, etc., to solve problems such as unavailability, system unavailability, failure to continue execution, etc.

Active Publication Date: 2017-04-19
VOLVO CAR CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, one or more of these systems may not be available, for example due to electromagnetic compatibility issues, making one or more of the systems providing these necessary inputs unavailable, there may not be enough information to perform autonomous driving
[0004] Therefore, a solution is needed to safely handle the failure of the autonomous vehicle's control system due to electromagnetic compatibility issues to continue the ongoing autonomous driving

Method used

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  • Safety stoppage device and method for safety stoppage of an autonomous vehicle

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Embodiment Construction

[0038] This application discloses that, and in the attached figure 1 A solution is shown in , which provides an improved safe parking device 1 capable of safely parking an autonomous vehicle 5 in the event of a failure of the autonomous vehicle's control system to perform autonomous driving due to electromagnetic compatibility issues .

[0039] attached figure 1 The shown ego vehicle 5 comprises a braking system 2 comprising a brake control unit 3 and wheel brakes 4 arranged on each wheel of the ego vehicle 5, and the ego vehicle 5 also has a control network 6, in which figure 1 shown schematically as a box in , and sensors 7, for example based on camera, radar, lidar technology, for monitoring the surroundings of the autonomous vehicle 5, such as yaw rate sensors, accelerometers, gyroscopes and wheel speed sensors , for monitoring the actions of the autonomous vehicle 5 , also has a signal processing system 8 for processing the sensor 7 signals to enable the autonomous driv...

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PUM

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Abstract

Disclosed herein is a safety stoppage device and method for safety stoppage using a brake system of an autonomous vehicle, wherein the brake system includes a brake-control unit and wheel brakes; the autonomous vehicle is provided with control networks and sensors for monitoring the autonomous vehicle surroundings and motion, and a signaling processing system for processing sensor signals enabling an autonomous drive mode thereof. It is continuously predicted where a drivable space exists, based on data from the sensors and sensor fusion, and calculated a safe trajectory to a stop within the drivable space, that is sent to the brake-control unit and stored therein; and the brake-control unit is shielded against electromagnetic compatibility problems and arranged to monitor if the control networks are operational, and if determined incapacitated, control the autonomous vehicle to follow the most recently calculated safe trajectory to a stop within the drivable space using differential braking of the wheel brakes thereof in order to effectuate steering.

Description

technical field [0001] The present invention relates to a safe parking device suitable for a braking system of an autonomous vehicle comprising a brake control unit and wheel brakes, which further has a control network and sensors for monitoring the surroundings and movements of the autonomous vehicle, and for A signal processing system that processes sensor signals to enable autonomous driving modes of an autonomous vehicle. The invention also relates to a method of safe parking utilizing a braking system of an autonomous vehicle comprising a brake control unit and wheel brakes, the autonomous vehicle further having a control network and sensors for monitoring the surroundings and movements of the autonomous vehicle, and A signal processing system for processing sensor signals to enable an autonomous driving mode of an autonomous vehicle. The invention further relates to an autonomous vehicle having a braking system comprising a brake control unit and wheel brakes of the aut...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W50/02B60W50/029B60T7/12
CPCB60T7/12B60W50/0205B60W50/029B60W2050/0295B60W10/18B60T7/22B60T2201/022B60T2210/32B60W50/02B60W2050/0008B60W2050/0012B60Y2302/05G06V20/56G06F18/251B60T8/171B60T8/172B60T8/26B60T2270/40
Inventor E·克林格L·欣德贝里
Owner VOLVO CAR CORP
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