Systems and methods for monitoring a health status of a servo valve
AssigneeGoodrich Corporation
InventorsMICHAEL KORDIK, MARC GEORGIN
Life of this patent
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Abstract
Braking control systems and methods, such as for an aircraft, use a first pressure sensor and a second pressure sensor from a non-primary braking system to validate the first pressure sensor. In response to the first pressure sensor being validated, a health status of a servo valve is monitored based on predetermined characteristics about the servo valve, including electrical current input into the servo valve and hydraulic pressure output from the servo valve.
Claims20
A brake control system for monitoring a health status of a servo valve, comprising:
- a non-transitory memory configured to store instructions;
- and
- a controller in electronic communication with the memory, the controller configured to:
- receive a first hydraulic pressure signal from a first pressure sensor in communication with a brake actuator;
- receive a second hydraulic pressure signal from a second pressure sensor in a non-primary braking system in communication with the brake actuator;
- compare the first hydraulic pressure signal and second hydraulic pressure signal according to predetermined criteria;
- validate the first pressure sensor based on the comparison;
- and
- in response to the first pressure sensor being validated, monitor the health status of the servo valve in communication with the brake actuator based on predetermined criteria.
A system for monitoring a health status of a servo valve, comprising a brake control unit;
- a non-transitory memory configured to store instructions;
- and
- a controller in electronic communication with the memory, the controller configured to control the brake control unit by:
- receiving a first hydraulic pressure signal from a first pressure sensor in communication with a brake actuator;
- receiving a second hydraulic pressure signal from a second pressure sensor in a non-primary braking system in communication with the brake actuator;
- comparing the first hydraulic pressure signal and second hydraulic pressure signal according to predetermined criteria;
- validating the first pressure sensor based on the comparison;
- and
- in response to the first pressure sensor being validated, monitoring the health status of the servo valve in communication with the brake actuator based on predetermined criteria.
A method for monitoring a servo valve, comprising:
- receiving a first hydraulic pressure signal from a first pressure sensor in communication with a brake actuator;
- receiving a second hydraulic pressure signal from a second pressure sensor in a non-primary braking system in communication with the brake actuator;
- comparing the first hydraulic pressure signal and second hydraulic pressure signal according to predetermined criteria;
- validating the first pressure sensor based on the comparison;
- and
- in response to the first pressure sensor being validated, monitoring the health status of the servo valve in communication with the brake actuator based on predetermined criteria.
Dependencies are inferred from the claim text.