航空制动与车轮动力学特性简化模型

2022 13th International Conference on Mechanical and Aerospace Engineering (ICMAE) Pub Date : 2022-07-20 DOI:10.1109/ICMAE56000.2022.9852853

Yingying Wu, Jun Wang, Dian Wang, Wen-Li Zhao

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引用次数: 0

摘要

飞机起落架系统是一个复杂的多自由度动力系统。飞机车轮在制动过程中会产生动力响应。当振动问题严重时，将影响飞机的制动性能，甚至危及飞机的飞行安全。针对飞机起落架系统的动力学特性，通过应力分析，建立了基于轴向平移和转动两个自由度的轴向和扭转制动动力学模型，并进行了合理的简化。研究并得到了摩擦系数变化率对振动现象的影响。对制动系统振动原理及制动过程振动的改善具有一定的参考意义，为后续改进或消除飞机制动系统振动现象奠定了基础。

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Simplified Model of Aviation Brake and Wheel Dynamical Characteristics

Aircraft landing gear system is a complex, multi-degree-freedom dynamic system. The braking process of aircraft wheels will produce dynamical response. When the vibration problem is serious, the braking performance will be affected, and even the flight safety of aircraft will be endangered. As for aircraft landing gear system dynamical characteristics, the axial and torsional brake dynamical models are set up based on the axial translational and rotational two degrees of freedom through stress analysis and reasonable simplify. The influence of friction coefficient change rate on vibration phenomenon is carried out and obtained. It has a certain reference significance to the principle of vibration in braking system and the improvement of vibration in braking process, and lays a foundation for subsequent improvement or elimination of aircraft brake system vibration phenomenon.

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2022 13th International Conference on Mechanical and Aerospace Engineering (ICMAE)

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