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Aircraft complex system design method based on Python model

A technology of complex systems and design methods, applied in design optimization/simulation, special data processing applications, geometric CAD, etc., can solve the problems of inconsistent parameters, incorrect model expression requirements, etc., to avoid design errors, reduce system design time and The effect of labor cost

Pending Publication Date: 2021-11-30
XIAN AVIATION BRAKE TECH
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Problems solved by technology

Moreover, in the process of system design, parameters in the system requirements are often encountered. When they appear in the model, there will be inconsistencies in the parameters, and the phenomenon that the model expresses the requirements incorrectly. How to link the system requirements, parameters and models and parameters The only word is one of the important problems that must be solved

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  • Aircraft complex system design method based on Python model

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[0042] 1. On the Polarion platform, manage the requirements of the wheel brake system itemized. When parameters are involved in the requirements of the wheel brake system, replace them with the parameter name;

[0043] Such as system requirements: BCSSYS-1709-wheel brake system should output the brake pressure corresponding to the pedal displacement to the wheel according to the pedal displacement pressure curve PEDAL_BRAKE_CURVE. Among them, BCSSYS-1709 is the serial number of this requirement, which is unique.

[0044] The name of the pedal displacement pressure curve in the requirements is PEDAL_BRAKE_CURVE.

[0045] 2. Establish the wheel brake system database on the Polarion platform. The database is named BCS DataDictionary. The database contains all parameters involved in the wheel brake system requirements established on the Polarion platform. The naming rules for the parameters in the database are: system.requirements. name;

[0046] The parameter attributes in the ...

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Abstract

The invention discloses an aircraft complex system design method based on a Python model, which comprises the following steps: firstly, expressing parameters involved in each system demand in a Polarization platform by applying a unified naming rule, then establishing a database in the Polarization platform, and assigning values to the parameters involved in the system demand; establishing a link between each system demand and a corresponding parameter in the database; then, according to parameters involved in the Polaron platform database, establishing a Python model; next, establishing a behavior model of the Simulink according to the function and performance requirements of the Polarization platform, and linking the function and performance requirements of the Polarization platform with the correspondingly established behavior model of the Simulink; and finally, linking the Python model with the established Simulink behavior model, wherein the Python model is used as a. M file of the Simulink model to support the Simulink model to run and simulate. According to the method, the uniqueness of parameters in the system design process is realized, errors caused by inconsistency of the same parameter in the design, modeling and simulation processes are avoided, and the system design time and the labor cost are reduced.

Description

technical field [0001] The invention belongs to the technical field of aircraft complex system design, and in particular relates to a method for designing an aircraft complex system based on a Python model. Background technique [0002] The aircraft has the characteristics of multi-domain, high complexity, high precision, and high integration. It is composed of complex systems that realize different functions. The design of the complex system of the aircraft is formed by the coupling of systems with different functions. Multi-domain collaborative design realizes the same aircraft level. The integration of language and platform ensures the development of high-safety and high-reliability aircraft at low cost and in a short period of time. [0003] The invention of publication number CN 106682298 A discloses a method for constructing a fault simulation model library of an aviation hydraulic steering gear system. The invention establishes a fault model library of a hydraulic ste...

Claims

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Application Information

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IPC IPC(8): G06F30/15G06F30/20
CPCG06F30/15G06F30/20
Inventor 陈国慧刘劲松马晓军鲁静
Owner XIAN AVIATION BRAKE TECH
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