The invention provides a civil helicopter ground joint test bed coupling stability test method, which comprises the following steps: 1, establishing a digital model of a ground joint test bed and a helicopter, and calculating coupling stability by using the digital model; 2, if the coupling stability meets the preset requirement, a ground combined test bed is built, and the ground combined test bed comprises a rack system, a starting control system, a test system and a ground fly-by-wire control system; 3, filling fuel oil into the test prototype, starting an engine of the test prototype, driving a main speed reducer and a tail speed reducer, driving a transmission shaft and a rotor wing to rotate, starting the engine to a test task set test state, and providing set excitation for the test prototype through a ground fly-by-wire flight control system; 4, monitoring the data acquired by the ground acquisition equipment in real time by the comprehensive monitoring system, processing the acquired data, and judging whether the test requirement is met or not at present; and 5, processing the collected data, and analyzing the coupling stability margin of the ground joint test bed by integrating various data results.

    本申请提供一种民用直升机地面联合试验台耦合稳定性试验方法,方法包括:1、建立地面联合试验台和直升机的数字模型,利用数字模型计算耦合稳定性;2,若耦合稳定性满足预设要求,则搭建地面联合试验台,地面联合试验台包括台架系统、起动控制系统、测试系统和地面电传飞控系统;3,给试验样机加注燃油,起动试验样机发动机,驱动主减速器、尾减速器并带动传动轴、旋翼转动,将发动机起动至试验任务设定试验状态,通过地面电传飞控系统对试验样机提供设定的激励;4,综合监控系统对地面采集设备采集的数据进行实时监控,并对采集的数据进行处理,判定当前是否满足是试验要求;5,对采集的数据进行处理,综合各项数据结果分析地面联合试验台耦合稳定的裕度。


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    Title :

    Civil helicopter ground joint test bed coupling stability test method


    Additional title:

    一种民用直升机地面联合试验台耦合稳定性试验方法


    Contributors:
    LIN WEIQING (author) / MA FENGTAO (author) / WU BENQIANG (author) / GUO CONG (author) / YANG YUE (author)

    Publication date :

    2024-11-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    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



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