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Airborne real-time fault diagnosis method

A real-time fault and fault diagnosis technology, applied in the field of avionics, can solve problems such as inability to monitor the state of aircraft and important subsystems, complex fault isolation and long time for positioning, lack of analysis of state change trends, etc., to shorten the time for data review , Reduce shotgun maintenance and shorten maintenance time

Inactive Publication Date: 2013-03-27
SHAANXI QIANSHAN AVIONICS
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0004] 2. It takes a long time to isolate and locate complex faults
[0005] 3. Unnecessary maintenance cannot be reduced
Due to the inability to monitor the state of the aircraft and important subsystems, and the lack of analysis of its state change trends, even systems / equipment in good condition will be inspected during the regular maintenance of the aircraft, and this inspection is unnecessary

Method used

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Examples

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Embodiment

[0038] The following is an example of the failure phenomenon that the No. 1 air data computer and the No. 1 air data computer of a certain type of aircraft reported simultaneously as an example:

[0039] 1. The acquisition control module in the airborne real-time fault diagnosis unit acquires maintenance information and flight data through the MA600 data bus, and sends them to the analysis and processing module through the motherboard;

[0040] 2. The analysis and processing module in the airborne real-time fault diagnosis unit performs calculation and restoration of the received maintenance information and flight data according to the data restoration configuration loaded in advance, that is, the meaning of the data bits in each data is expressed and the content is resolved , making it a format recognizable by the fault diagnosis module;

[0041] 3. The fault diagnosis function module in the analysis and processing module extracts the relevant maintenance information and flig...

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Abstract

The invention belongs to the technical field of avionics and particularly relates to an airborne real-time fault diagnosis method. An airborne real-time fault diagnosis unit and a computer are used. The airborne real-time fault diagnosis method includes: data acquiring, data processing, fault diagnosis, report generating and report updating. An airborne expert system is used for performing fault diagnosis and analysis in real time, diagnosis and analysis results are sent to a storage device or a data chain system, and the airborne real-time fault diagnosis method can assist plane maintenance personnel to position fault location rapidly, isolates failure equipment, and finish plane maintenance efficiently.

Description

technical field [0001] The invention belongs to the technical field of avionics, and in particular relates to an aircraft airborne real-time fault diagnosis method. Background technique [0002] In the field of aviation, the traditional maintenance methods are event-based post-event maintenance and time-based regular maintenance, that is, after the aircraft breaks down or reaches the scheduled inspection time specified in the relevant maintenance documents, observe the fault lights of each equipment on the aircraft, test related Parameters combined with the experience of maintenance personnel to diagnose faults, and then adjust and replace faulty equipment to complete the maintenance of the aircraft. However, with the continuous improvement of the complexity of modern aircraft, the requirements for ensuring flight safety, reducing maintenance costs, and improving attendance are also getting higher and higher. Traditional aircraft fault diagnosis methods are becoming more and...

Claims

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Application Information

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IPC IPC(8): G05B19/042G05B23/02
Inventor 史建华王科闫宝祝张跃
Owner SHAANXI QIANSHAN AVIONICS
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