Inverse calculation method of aerodynamic parameters based on flight test data

The invention provides an inverse calculation method of aerodynamic parameters based on flight test data. The method comprises: step 1, calculating the flight parameters of an aircraft according to the measurement data of the aircraft; step 2, calculating the aerodynamic force and the aerodynamic mo...

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Bibliographische Detailangaben
Hauptverfasser: WANG SIFU, GAO GUANGLIN, XUE KAI
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention provides an inverse calculation method of aerodynamic parameters based on flight test data. The method comprises: step 1, calculating the flight parameters of an aircraft according to the measurement data of the aircraft; step 2, calculating the aerodynamic force and the aerodynamic moment of the aircraft according to the measurement data of the aircraft and the flight parameters instep 1; step 3, calculating the aerodynamic force coefficient and the aerodynamic moment coefficient of the aircraft according to the aerodynamic force and the aerodynamic moment in step 2; and step 4, calculating ground aerodynamic data in the same flight state according to the flight parameters of the aircraft in the step 1, and comparing the ground aerodynamic data with the aerodynamic force coefficient and the aerodynamic moment coefficient in the step 3 to verify the heaven and earth consistency of the aerodynamic parameters. According to the inverse calculation method of the aerodynamicparameters based on the fl