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Construction method of aviation braking system model library

A technology of aviation brake and system model, applied in special data processing applications, aircraft parts, ground devices, etc., can solve the problems of no system function model description, fault simulation, unintegrated model description, etc., to facilitate query and reuse, Ensuring integrity and improving corporate competitiveness

Pending Publication Date: 2022-01-11
XIAN AVIATION BRAKE TECH
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Problems solved by technology

However, in this invention, there is no description of the integrated models of mechanical, hydraulic, electrical, and control equipment, nor is there a description of the establishment of system function models. The focus is on fault simulation.
[0005] At present, there is no description of the existing technology for the establishment of the model library of the wheel brake system. In order to study the design of the brake system based on model drive, it is necessary to establish a relatively comprehensive model library of the brake system to study the functional model blocks and equipment model blocks. Each typical working condition and the system response under fault conditions are carried out for subsequent model development, and a professional model knowledge base is established

Method used

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  • Construction method of aviation braking system model library
  • Construction method of aviation braking system model library
  • Construction method of aviation braking system model library

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specific Embodiment

[0112] Taking a civil aircraft braking system as an example, the practical application of an aviation braking system model library is described.

[0113] The practical application of a kind of aviation braking system model storehouse of the present invention, its step is as follows:

[0114] a) Open the Brake ControlSystem library established in the Simulink Library Browser provided by Simulink, call each module, and follow the Figure 4 The architecture shown connects the various modules.

[0115] b) Set the relevant parameters in the model according to the actual project.

[0116] c) Simulate and analyze the working conditions and faults of the braking system of the project.

[0117] d) According to the test results of the brake control valve, input them into the EXCEL file and then into the Simulink module to replace the model of the brake control valve.

[0118] e) According to the test results of the brake device, input it into the EXCEL file and then into the Simulink...

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Abstract

The invention discloses a construction method for an aviation braking system model library, which comprises the following steps of: firstly, establishing aviation braking system parameters and naming rules of models; establishing a mathematical model of a pedal brake function, a mathematical model of an automatic brake function, a mathematical model of an anti-skid function, a mathematical model of a brake control valve, a mathematical model of an airplane wheel brake device, a mathematical model of a speed sensor and a test case model of different working conditions and typical faults of the system, and finally analyzing the models; establishing a model library, a general model library and description files of the model blocks, and completing the construction of the aviation braking system model library. According to the method, the professional knowledge model library of the aviation braking system is established, reuse in different types of projects is realized, the time for establishing the model is reduced, and joint office in different fields is realized through the design of the model expression system.

Description

technical field [0001] The invention belongs to the technical field of aircraft braking, and in particular relates to a method for constructing a model library. Background technique [0002] The aircraft brake system is one of the most important systems of the aircraft and plays an important role in the take-off and landing process of the aircraft. Usually the brake system includes: controller, brake control valve, speed sensor, wheel and brake device. [0003] The invention of Publication No. CN103970024A discloses a real-time simulation system of a large-scale aircraft hydraulic system. In this invention, the man-machine interface subsystem and real-time settlement subsystem connected by real-time Ethernet are used to realize the redundant hydraulic real-time simulation system, and the physical test verification of the system is transferred to the real-time simulation system. Model simulation verification. However, how to establish a hydraulic system model library is not...

Claims

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Application Information

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IPC IPC(8): G06F30/15B64F5/00
CPCG06F30/15B64F5/00Y02T90/00
Inventor 陈国慧刘珊鲁静何俊永
Owner XIAN AVIATION BRAKE TECH
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