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...

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Problems solved by technology

However, in the actual application of China's domestic airlines, the baseline an...

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