基于数字虚拟飞行的民用飞机纵向地面操稳特性评估

doi:10.7527/S1000-6893.2014.0190

Abstract

Abstract:

In order to assess ground handling characteristics of civil aircraft during the preliminary design stage, an evaluation method considering the special requirements of airworthiness standard is proposed based on digital virtual flight testing. According to the context of specific airworthiness clause, limitations of aircraft ground motion parameters of importance are set up as quantitative aircraft ground handling criterion. A nonlinear aircraft ground motion model and pilot control models are established and synthesized to predict the dynamic response of aircraft while performing pilot-in-loop ground operations such as takeoff and landings. Comparing simulation results with criterion mentioned before, an assessment of airworthiness compliance is made. Finally, applying the new evaluation method, analysis of ground handling characteristics is conducted on a new type of transport aircraft during symmetric landing, and influences of wheel longitudinal location and final approach parameters' selection on longitudinal stability and control are also delivered.

Key words: civil aircraft, landing gear, ground handling, stability, flight simulation, pilot model, digital virtual flight testing

CLC Number:

V212.12

LIU Hailiang, WANG Lixin. Assessment of longitudinal ground stability and control for civil aircraft based on digital virtual flight testing method[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2015, 36(5): 1432-1441.

References

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Assessment of longitudinal ground stability and control for civil aircraft based on digital virtual flight testing method

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