Maintenance method based on aircraft structure health monitoring

Abstract

The invention discloses a maintenance method based on aircraft structure health monitoring. The maintenance method based on aircraft structure health monitoring comprises a step 1 of establishing an aircraft database of aircraft condition data; a step 2 of computing, by simulation, the life consumption of an aircraft in the aircraft database and the probability distribution of cracks in a flight process; a step 3 of establishing a maintenance model, classifying the maintenance of an aircraft group according to the operation state of the aircraft group, and classifying the maintenance into first-level maintenance, second-level maintenance and third-level maintenance according to the operation status of the aircraft group; a step 4 of according to the actual operating state of the aircraft group, performing corresponding maintenance in the first-level maintenance, the second-level maintenance and the third-level maintenance on respective aircrafts. The maintenance method based on aircraft structure health monitoring is used for the aircraft group, fully excavate the life potential of the aircraft group in the case of ensuring the normal task of the aircraft group and avoid unnecessary maintenance.

Description

technical field [0001] The invention relates to the technical field of aircraft structure fatigue strength, in particular to a maintenance method based on aircraft structure health monitoring. Background technique [0002] Glossary: [0003] Retention rate: In an aircraft group, at least the aircraft that can perform tasks immediately (or can perform tasks when required) account for the ratio of aircraft in the aircraft group, that is, the aircraft that can fly account for the aircraft that cannot fly (due to Aircraft that are out of flight due to maintenance, failure, damage, etc.). [0004] People pay more and more attention to the safety, reliability, fault diagnosis and prediction, health management and maintenance guarantee of modern aircraft. Fault diagnosis and health monitoring refers to using as few sensors as possible to collect various data information of the system, using various intelligent reasoning algorithms to evaluate the health status of the aircraft, pr...

AI Technical Summary

Problems solved by technology

[0006] The existing technology usually adopts after-the-fact maintenance and regular maintenance. In this way, sometimes it is not possible to repair the aircraft that has failed or cracked in time, and sometimes it may be repaired frequently, which wastes costs.

Images