| CPC B60T 8/885 (2013.01) [B60T 8/176 (2013.01); B60T 8/92 (2013.01); B60T 13/142 (2013.01); B60T 2270/10 (2013.01); B60T 2270/413 (2013.01)] | 8 Claims |
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1. A method of controlling an electro-hydraulic brake system comprising a main brake unit and redundancy brake unit, the method comprising:
determining a failure type for failures of the main brake unit, the failure type being one of:
a sensor failure type comprising a failure in which sensor information from a first sensor connected to the main brake unit is not received by the main brake unit;
an independent wheel control failure type comprising a failure at the main brake unit to perform independent wheel control;
a hydraulic pressure generation failure type comprising a failure of the main brake unit to generate a hydraulic pressure; and
an inoperable failure type comprising the main brake being inoperable; and
in response to determining that the failure type is the sensor failure type or the independent wheel control failure type, causing the main brake unit to generate a braking force,
in response to determining that the failure type is the hydraulic pressure generation failure type or the inoperable failure type, causing the redundancy brake unit to generate the braking force, and
in response to determining that the failure type is the sensor failure type, causing the redundancy brake unit to perform functions of:
monitoring the main brake unit; and
transmitting, to the main brake unit, sensing information received from a second sensor connected to the redundancy brake unit,
wherein the main brake unit performs main braking control by using the sensing information from the second sensor.
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