| 起落架结构参数对飞机机轮摆振频率特性的影响 |
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| 引用本文： | 周进雄,诸德培.起落架结构参数对飞机机轮摆振频率特性的影响[J].强度与环境,1999(2):15-19. |
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| 作者姓名： | 周进雄 诸德培 |
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| 作者单位： | 西北工业大学飞机系!西安，710072 |
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| 摘 要： | 研究了四个起落架结构参数：稳定距、机轮转动惯量、支柱侧倾刚度和减摆器传动系统扭转刚度对飞机机轮摆振频率特性的影响。对“轮胎型”摆振和“结构型”摆振进行了严格区分并分别予以研究，针对所计算的型号飞机，归纳总结出发生“轮胎型”摆振和“结构型”摆振的频率范围。所得结论为新机防摆设计和现役飞机防摆维护提供了理论依据。
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| 关 键 词： | 起落架 ~ 摆振 结构参数 频率响应 |
The Influence of Landing Gear Structural Parameters on Frequency Characteristics of Aircraft Wheel Shimmy |
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| Zhou Jinxiong, Zhu Depei.The Influence of Landing Gear Structural Parameters on Frequency Characteristics of Aircraft Wheel Shimmy[J].Structure & Environment Engineering,1999(2):15-19. |
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| Authors: | Zhou Jinxiong Zhu Depei |
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| Abstract: | The influence of four landing gear structural parameters: trail, initial moment of wheel, struct tilt stiffnessand torsional stiffness of damper linkage on ferquency charateristics of aircratt wheel shimmy is investigated. The investi-gation in this paper distinguishes Tire - Yaw Shimmy and Structural- Torsion Shimmy stricily and studies them separate-ly. The approximate frequency range of two types of shimmy is drawn from the computational results of real type aircraft.The results obtained in this paper prepare the ground for the design of new aircratt and for the safe maintenance of opera-tional ones to prevent the occurrence of shimmy. |
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| Keywords: | Landing gear Shimmy Structural parameter Frequency response |
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