The invention provides an aircraft aerodynamic parameter identification method and system, and relates to the technical field of aircraft control, and the method comprises the following steps: collecting aircraft response data; constructing a closed-loop self-adaptive excitation signal generator, and identifying the airplane response data by using the closed-loop self-adaptive excitation signal generator to obtain a corresponding excitation signal; outputting the excitation signal to an aircraft; according to the invention, the closed-loop adaptive excitation signal generator is utilized to automatically match the actual flight condition and motion performance of the aircraft, and the excitation action meeting the pneumatic parameter identification data requirement or attempt of various different excitation signals is iteratively generated, so that the pneumatic parameter identification test efficiency is improved and the test safety is guaranteed.

    本发明提供了一种飞机气动参数辨识方法及系统,涉及飞机控制技术领域,其中方法包括以下步骤:采集飞机响应数据;构建闭环自适应激励信号生成器,并利用所述闭环自适应激励信号生成器对所述飞机响应数据进行辨识,得到对应的激励信号;输出所述激励信号至飞机;本发明利用闭环自适应激励信号发生器自动匹配飞机实际飞行工况与运动表现,迭代生成满足气动参数辨识数据要求的激励动作或尝试多种不同激励信号,有利于提高气动参数辨识试验效率并保障试验安全。


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    Title :

    Airplane aerodynamic parameter identification method and system


    Additional title:

    一种飞机气动参数辨识方法及系统


    Contributors:
    SONG WANQIANG (author) / HAO ZHIYUAN (author) / LIU YIMING (author) / ZHOU LONG (author) / WANG GANGLIN (author) / ZHOU JIAN (author)

    Publication date :

    2025-04-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen / 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 / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung



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