起落架缓冲系统参数优化设计

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1992, Vol. 13 ›› Issue (10): 506-511.

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OPTIMAZATION OF OLEO-PNEUMATIC SHOCK ABSORBER OF AIRCRAFT

Liu Li¹, Yang Guo-zhu², He Qing-zhi²

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

Abstract

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

Liu Li;Yang Guo-zhu;He Qing-zhi. OPTIMAZATION OF OLEO-PNEUMATIC SHOCK ABSORBER OF AIRCRAFT[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 1992, 13(10): 506-511.

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OPTIMAZATION OF OLEO-PNEUMATIC SHOCK ABSORBER OF AIRCRAFT

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