北京航空航天大学学报 ›› 2007, Vol. 33 ›› Issue (01): 46-49.

• 论文 • 上一篇    下一篇

飞机起落架系统动力学建模与仿真

李波, 焦宗夏   

  1. 北京航空航天大学 自动化科学与电气工程学院, 北京 100083
  • 收稿日期:2006-01-04 出版日期:2007-01-31 发布日期:2010-09-19
  • 作者简介:李 波 (1980-),男,山东潍坊人,博士生, libo@asee.buaa.edu.cn.
  • 基金资助:

    教育部高校青年教师奖资助项目

Aircraft landing gear system dynamic modeling and simulation

Li Bo, Jiao Zongxia   

  1. School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China
  • Received:2006-01-04 Online:2007-01-31 Published:2010-09-19

摘要: 飞机地面滑跑时通过起落架系统与地面相互作用,由于作用于飞机的力和 力矩的变化,起落架将产生一定的缓冲,从而导致飞机滑跑过程中姿态角的改变.为了研究 飞机地面滑跑特性,考虑到滑跑过程中飞机姿态和转动的影响,建立了飞机起落架系统的轮 胎模型、空气油液缓冲模型、起落架走步模型和主机轮刹车装置模型.将建立的起落架系统 模型应用到飞机滑跑的六自由度模型中,分别在防滑刹车和前轮操纵两种情况下进行仿真验 证.结果表明,所建立的起落架系统模型是正确的,为进一步研究飞机地面滑跑特性奠定了基 础.

Abstract: Aircraft interacts with the ground through landing gear system, wh ile taxiing down the runway. Owing to the changed forces and moments acted on th e aircraft, the landing gear shocks, and consequently results in the shift of th e aircraft Euler angle. In order to study the aircraft taxiing characteristics, considering the aircraft’s attitude and rotation, the aircraft landing gear sys tem mathematical model is built including tire model, ole-pneumatic shock strut model, landing gear walking model and main wheel brake device model. Considering ABS(anti-skid brake system) control and nose wheel manipulation, the landing g e ar system model is applied to aircraft six degree of freedom model and been simulated. The si m ulation results show that the aircraft landing gear system mathematical model es tablished is correct. Moreover, it establishes the foundation to the research on the aircraft taxiing characteristics.

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