State monitoring method and system for aircraft flap control system

A technology of control system and state space equation, applied in the field of state monitoring of aircraft flap control system, can solve the problem that the state monitoring of aircraft flap operating system has not been well applied, and the selection of health characteristic parameters for identification model aircraft cannot be effectively realized, etc. question

Active Publication Date: 2020-05-01
NORTHWESTERN POLYTECHNICAL UNIV
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Problems solved by technology

However, based on the method of identification and analysis of aircraft health characteristic parameters, since the aircraft flap control system is a multi-degree-of-freedom, it is impossible to effectively real

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  • State monitoring method and system for aircraft flap control system
  • State monitoring method and system for aircraft flap control system
  • State monitoring method and system for aircraft flap control system

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Embodiment Construction

[0084] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0085] The purpose of the present invention is to provide a state monitoring method and system of an aircraft flap control system, so as to monitor the state of a multi-degree-of-freedom aircraft flap control system based on aircraft health characteristic parameters.

[0086] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction wit...

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Abstract

The invention provides a state monitoring method and system for an aircraft flap control system. An equivalent dynamic model of the flap mechanical transmission system is constructed, and a new methodis provided for selecting airplane health monitoring characteristic parameters. An equivalent dynamic model and a mathematical model of the model are constructed by using a multi-degree-of-freedom method, so that a transfer function capable of reflecting main characteristics of the system is obtained. And a new value of an equivalent parameter in the equivalent dynamic model is calculated based on CAD model parameter selection and empirical formula, and a spring-damping-mass parameter of the flap equivalent model is identified. Factors influencing the health state of the system are searched for by analyzing the mechanism of the system, and the factors influencing the health state of the flap control system and parameters reflecting the health state are verified through simulation analysis. The state of the multi-degree-of-freedom aircraft flap control system is monitored based on the aircraft health characteristic parameters.

Description

technical field [0001] The invention relates to the technical field of aircraft state monitoring, in particular to a method and system for state monitoring of an aircraft flap control system. Background technique [0002] Aircraft health monitoring can carry out status monitoring, fault diagnosis and health management on the aircraft, and can detect possible use or safety problems of the aircraft in a timely manner, further evaluate the health status of the key systems of the aircraft, and make reasonable arrangements on the basis of predicting its development. Aircraft operation and maintenance activities to reduce unplanned maintenance time and improve aircraft safety and efficiency. Although the health monitoring and forecasting system has gradually begun to be applied, there is still a certain gap from engineering practicality. [0003] There are two existing methods for aircraft health monitoring. One is to use the integrated current sensor / driver network to obtain inf...

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Application Information

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IPC IPC(8): B64D45/00B64F5/60
CPCB64D45/00B64F5/60B64D2045/0085
Inventor 郭一涵梁艳马存宝董旭胡碧媛江金泽
Owner NORTHWESTERN POLYTECHNICAL UNIV
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