The invention belongs to the technical field of full-size aircraft ground vibration tests, and particularly relates to an aircraft ground vibration test design method based on model driving, which comprises the following steps: S1, establishing an aircraft dynamics model, and carrying out dynamics characteristic analysis; s2, designing a bracket system according to the size, the weight, the gravity center and the inertia moment data of the aircraft dynamics model and the frequency required by test support; designing a measurement point arrangement scheme and an excitation point arrangement scheme according to the modal shape of the dynamic characteristic analysis result and discrete mass data; and S3, according to the designed bracket system, the measurement point arrangement scheme and the excitation point arrangement scheme, combining a test system model with the aircraft dynamics model to perform assembly, thereby forming a full-aircraft ground vibration test simulation model. And S4, carrying out a physical test based on the full-aircraft ground vibration test simulation model. According to the invention, the scheme design reliability and efficiency of the whole aircraft ground vibration test are effectively improved, and the risk in the physical test process is reduced.

    本申请属于全尺寸飞机地面振动试验技术领域,特别涉及一种基于模型驱动的飞机地面振动试验设计方法,步骤S1:建立飞机动力学模型,并进行动力学特性分析,步骤S2:根据所述飞机动力学模型的尺寸、重量、重心、惯性矩数据以及试验支持所需频率设计支托系统;根据动力学特性分析结果的模态振型以及离散质量数据设计测量点布置方案以及激振点布置方案;步骤S3:根据设计好的支托系统、测量点布置方案、激振点布置方案结合试验系统模型与所述飞机动力学模型进行组装,形成全机地面振动试验仿真模型。步骤S4:基于全机地面振动试验仿真模型进行物理试验。本申请有效提高飞机全机地面振动试验的方案设计可靠性和效率,降低物理试验过程中的风险。


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    Title :

    Airplane ground vibration test design method based on model driving


    Additional title:

    一种基于模型驱动的飞机地面振动试验设计方法


    Contributors:
    CHEN HAOYU (author) / LI XIAODONG (author) / SONG QIAOZHI (author) / NIE KAI (author) / LI SIYU (author)

    Publication date :

    2025-02-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen / G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen



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