Systems and methods for built in test equipment for a brake control system

Patent metadata

Field	Value
Publication number	US-9715770-B2
Application number	US-201615010643-A
Country	US
Kind code	B2
Filing date	Jan 29, 2016
Priority date	Feb 25, 2014
Publication date	Jul 25, 2017
Grant date	Jul 25, 2017

Abstract

A method is disclosed that comprises severing an I/O channel between an EMAC and an aircraft component; sending a test signal to the brake system controller; receiving, from the brake system controller, a feedback signal to the test signal; and determining an appropriateness of the feedback signal.

First claim

The invention claimed is:

1. A method comprising:
disposing a selectively severable I/O channel between an electromechanical actuator controller (EMAC) and a brake system controller (BSC);
coupling the EMAC with a testing module of a built in test equipment (BITE) region, wherein the testing module is separate from the BSC and is capable of severing the selectively severable I/O channel between the EMAC and the BSC and sending a test signal to the EMAC;
disposing a safety interlock of the BITE region around the EMAC;
establishing a bypass of the safety interlock by disposing a non-severable I/O channel between the EMAC and an emergency brake system.

2. The method of claim 1 , further comprising placing the safety interlock in electrical communication with the testing module.

3. The method of claim 2 , further comprising loading a test script into the testing module.

4. The method of claim 3 , further comprising loading an expected result profile into the testing module.

5. The method of claim 1 , further comprising placing the BITE region in electrical communication with a signal conditioning circuit.

6. The method of claim 1 , further comprising placing the BITE region in electrical communication with a sensor.

7. The method of claim 1 , further comprising receiving, at the EMAC, an emergency braking command from the emergency braking system.

8. The method of claim 7 , further comprising stopping, by the EMAC, of a test in response to the emergency braking command.

Assignees

• Goodrich Corp

Inventors

• Cahill Eric Daniel

Classifications

• B64F5/60

  Testing or inspecting aircraft components or systems · CPC title

• G01L5/28

  for testing brakes · CPC title

• B60T17/221 Primary

  Procedure or apparatus for checking or keeping in a correct functioning condition of brake systems (hydraulic pressure systems in general F15B19/00, F15B21/04; testing structures or apparatus G01M) · CPC title

• G07C5/0808 Primary

  Diagnosing performance data (testing of vehicles G01M17/00; testing of electrical installation on vehicles G01R31/005) · CPC title

• B64C25/44

  Actuating mechanisms · CPC title