Aero-engine baseline calculation method, aero-engine condition monitoring method and aero-engine baseline monitoring system

Abstract

The invention discloses an aero-engine baseline calculation method, an aero-engine condition monitoring method and an aero-engine condition monitoring system. The aero-engine baseline calculation method includes: analyzing cruising messages from an aero-engine to acquire flight data of the aero-engine; based on the flight data, establishing an aero-engine baseline model by partial least squares regression; based on the aero-engine baseline model, calculating a baseline value of the aero-engine. The aero-engine condition monitoring method includes: calculating continuous measurement values of aero-engine condition parameters and a baseline value of the aero-engine to form a measurement value deviation sequence; subjecting deviations in the deviation sequence to smoothing and warning in order. The aero-engine condition monitoring system comprises a user terminal, a database server, an application server, and a calculation engine server. The aero-engine baseline calculation method, the aero-engine condition monitoring method and the aero-engine condition monitoring system have the advantages that the baseline of the aero-engine can be mined and aero-engine condition monitoring can be achieved.

Description

technical field [0001] The invention relates to the field of aero-engines, in particular to an aero-engine baseline calculation method, an aero-engine baseline-based aero-engine state monitoring method and an aero-engine baseline-based monitoring system. Background technique [0002] At present, airlines use the condition-based maintenance method for the maintenance of aero-engines, that is, to conduct accurate trend analysis and fault diagnosis on the status of aero-engines, and then determine whether maintenance is required on this basis. Condition-based maintenance can maximize the economic and social benefits of airlines on the premise of ensuring flight safety. [0003] The state of the aero-engine can be reflected by the variation and size of the deviation value between each state parameter of the engine and the control quantity in a good state, so as to infer the performance degradation of the engine. The functional relationship between the engine state parameters an...

AI Technical Summary

Problems solved by technology

However, in the actual application of China's domestic airlines, the baseline and monitoring methods independently developed by the country have not been really used.

Images