Research progress on nonlinear dynamic stability of aircraft landing system

被引：0
作者：
Nie, Hong [1 ,2 ]
Wei, Xiaohui [1 ,2 ]
Zhang, Ming [1 ,2 ]
Yin, Yin [1 ,2 ]
Yin, Qiaozhi [1 ,2 ]
Wang, Yong [3 ]
机构：
[1] School of Aeronautics, Nanjing University of Aeronautics and Astronautics, Nanjing
[2] State Key Laboratory of Mechanics and Control for Aerospace Structures, Nanjing
[3] Automotive Engineering Research Institute, Jiangsu University, Zhenjiang
来源：
Hangkong Xuebao/Acta Aeronautica et Astronautica Sinica | 2025年 / 46卷 / 05期
基金：
中国国家自然科学基金;
关键词：
bifurcation; landing gear; nonlinear dynamics; numerical continuation method; stability;
D O I：
10.7527/S1000-6893.2024.31229
中图分类号：
学科分类号：
摘要：
The issue of nonlinear dynamic stability in aircraft landing system has consistently posed a significant challenge in the design of both aircraft and landing gear systems，involving complex geometric nonlinearity，physical nonlinearity，and their interactions. Although the traditional time domain analysis method can effectively determine the stability，it exhibits limitation of high computational load in analyzing parameter influences and in achieving rapid and accurate parametric design. In recent years，the numerical continuation method has been widely applied in the field of nonlinear dynamic stability analysis of the landing system. This method enables rapid and precise analysis of the stability variation of the dynamic model with parameters，thereby significantly enhancing the design efficiency of aircraft and landing gear. Firstly，this paper describes the methods of dynamic stability，bifurcation analysis，and continuation calculation. Then，according to the functional classification of the landing system，the research status of the shimmy stability，taxiing direction stability，and retraction mechanism stability of the landing gear are summarized. The application research of bifurcation analysis methods and nonlinear dynamic stability based on the numerical continuation method in landing gear systems is mainly discussed. Finally，the research on the shimmy stability，taxiing direction stability，and retraction mechanism stability of aircraft landing gear is summarized and prospected. © 2025 Chinese Society of Astronautics. All rights reserved.
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