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航空学报 > 1992, Vol. 13 Issue (10): 506-511

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起落架缓冲系统参数优化设计

刘莉1, 杨国柱2, 何庆芝2   

  1. 1. 北京理工大学131教研室 北京 100081;2. 北京北京航空航天大学飞机设计所 北京 100083
  • 收稿日期:1991-07-06 修回日期:1992-03-01 出版日期:1992-10-25 发布日期:1992-10-25

OPTIMAZATION OF OLEO-PNEUMATIC SHOCK ABSORBER OF AIRCRAFT

Liu Li1, Yang Guo-zhu2, He Qing-zhi2   

  1. 1. Department of Flight Vehicle Engineering, Beijing Institute of Technology, Beijing, 100081;2. Section of Aeroplane Design, Beijing University of Aeronautics and Astronautics Beijing, 100083
  • Received:1991-07-06 Revised:1992-03-01 Online:1992-10-25 Published:1992-10-25

PDF (PC)

453

摘要： 同时考虑了起落架缓冲系统性能对飞机着陆和滑行过程中的影响,从改善飞机地面滑行动态响应特性出发,在满足着陆撞击等约束条件下,提出并建立了起落架缓冲系统参数优化设计的方法和模型,并以主起落架缓冲系统优化设计为例,具体讨论了优化过程和结果。实例计算表明,利用本文方法将有效地改善起落架缓冲系统性能。

关键词: 起落架, 缓冲系统, 优化设计

Abstract: The influence of the oleo-pneumatic shock absorber on aircraft responser during both taxiing and landing inpact are considered .For improving the dynamic responce characteristics of the aircraft during taxiing,a model and method for optimization of the shock absorber parameters are proposed ,in which the mean square value of the c.g acceleration of the aircraft during taxiing is taken as the objective function and the impact energy to be absorbed as the constraint condition . As an example, the optimization of the main landing gear system is studied based on the model and method proposed above. Because the PSD method is used in the analysis the optimization procedure is easy and simple.

Key words: leanding gear system, oleo-pneumatic shock absorber, optimal design

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