The invention provides a method for judging landing of a seaplane based on test flight data. The method comprises the following steps: based on radio height, longitudinal overload and normal overload test flight data collected by a flight test, drawing the test flight data on the same time axis; when a seaplane is dampened on water, a hull of the seaplane can instantly span two different media, namely air and water, so that longitudinal overload and normal overload of the seaplane are suddenly changed; and judging the landing time point of the aircraft hull according to data mutation caused by the change of the flight medium. The method is practical, feasible and simple to operate, since the parameters needing to be tested are the parameters needing to be measured by the aircraft, no additional test sensor is needed, no additional test auxiliary equipment is needed, no additional flight control action requirement on the flight unit is needed, and only normal take-off and landing and normal flight parameter acquisition are needed; multi-sortie flight test data analysis shows that the method can be used for reliably and accurately judging the water receiving point of the airplane, and is wide in application range.

    本发明提出了一种基于试飞数据判断水上飞机着水的方法。该方法包括:基于飞行试验采集到的无线电高度、纵向过载和法向过载试飞数据,并将试飞数据画在同一时间轴上;应用水上飞机水上着水时其船体会瞬间跨越空气和水两种不同的介质,而导致飞机纵向过载和法向过载产生突变;通过这种飞行介质变化而导致的数据突变来判断飞机船体着水的时间点。该方法实用、可行、操作简单,由于以上需测试的参数为飞机本身就需要测量的参数,无需因此额外增加测试传感器,无需额外的测试辅助设备,对飞行机组无额外的飞行操纵动作要求,只需正常起降,正常采集飞行参数即可,通过多架次的飞行试验数据分析表明,该方法判断飞机接水点可靠、精确,适用范围广。


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    Title :

    Method for judging landing of seaplane based on test flight data


    Additional title:

    一种基于试飞数据判断水上飞机着水的方法


    Contributors:
    WANG SICAI (author) / CHENG ZHIHANG (author) / ZHANG LING (author) / LEE KANG-BO (author) / WANG ZHENGHUA (author)

    Publication date :

    2023-06-23


    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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    Carroll, T. | Engineering Index Backfile | 1929


    A dangerous seaplane landing condition

    Carroll, Thomas | NTRS | 1928



    Flight Test of Hybrid Seaplane Model

    L. V. Malthan | NTIS | 1977


    A dangerous seaplane landing condition

    Carroll, Thomas | SLUB | 1928