US 2023/0415782 A1 · METHOD OF CONTROLLING BRAKING IN RESPONSE TO SENSOR FAILURE IN AUTONOMOUS VEHICLES

Abstract

In a braking control method of responding to sensor failure for autonomous vehicles, when a braking-related sensor, such as a G sensor or a braking hydraulic sensor, has failed while driving of an autonomous vehicle, the host vehicle requests a nearby another autonomous vehicle determine a deceleration of the host vehicle and transmit deceleration information to the host vehicle. The host vehicle accurately determines a braking hydraulic pressure based on the deceleration information received from the aid vehicle and apply the accurate braking hydraulic pressure to a braking device. In the present manner, even in the case in which it is difficult to convert the vehicle to manual driving, the host vehicle is able to drive to a destination or a safe place.

Claims20

Dependent claims

A method of controlling braking in response to sensor failures for vehicles, the method comprising:

determining, by a controller of a host vehicle, whether or not a braking-related sensor of the host vehicle has failed;
determining whether or not a communication device of the host vehicle is in a normal state when the controller concludes that the braking-related sensor has failed;
requesting, by the controller of the host vehicle, another vehicle to provide replacement sensor information by which information of the failed braking-related sensor is replaceable;
determining, by a controller of another vehicle, the replacement sensor information and transmitting the replacement sensor information to the controller of the host vehicle;
and
receiving, by the controller of the host vehicle, the replacement sensor information from another vehicle and performing braking-related control of the host vehicle.

3 more elements

An apparatus of controlling braking in response to sensor failures for a host vehicle, the apparatus comprising:

a processor of the host vehicle, configured for:
determining whether or not a braking-related sensor of the host vehicle has failed;
determining whether or not a communication device of the host vehicle is in a normal state when the processor concludes that the braking-related sensor has failed;
requesting another vehicle to provide replacement sensor information by which information of the failed braking-related sensor is replaceable;
receiving the replacement sensor information from another vehicle and performing braking-related control of the host vehicle;
and
a storage configured to store data and algorithms driven by the processor.

4 more elements

Dependencies are inferred from the claim text.

Method of controlling braking in response to sensor failure in autonomous vehicles

Life of this patent

Method of controlling braking in response to sensor failure in autonomous vehicles

Life of this patent

Abstract

Claims20