| 柔性接头频率特性的计算方法研究 |
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| 引用本文： | 刘志武.柔性接头频率特性的计算方法研究[J].固体火箭技术,1998,21(4):18-21. |
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| 作者姓名： | 刘志武 |
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| 作者单位： | 中国航天工业总公司四院四十一所 |
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| 摘 要： | 为防止作动器驱动力矩载荷频率与柔性接头固有频率的共振，需确定柔性接头的频率特征。本文给出了柔性接头频率特征的计算公式，包括对固有频率，共振频率，稳态摆幅，共振摆幅以及摆动角速度和角加速度的分析，给出了设计算例，供柔性接头设计时参考。
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| 关 键 词： | 柔性接头 频率特性 特征分析 柔性喷管 固体火箭 |
Calculating Method of Frequency Characteristics of the Flexible Joint |
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| Liu Zhiwu.Calculating Method of Frequency Characteristics of the Flexible Joint[J].Journal of Solid Rocket Technology,1998,21(4):18-21. |
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| Authors: | Liu Zhiwu |
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| Abstract: | To prevent from the resonance vibration between the actuation moment load frequency of actuator and the natural frequency of flexible joint, it is necessary to determine the frequency characteristics of the flexible joint. This paper presents the calculation formulae of the frequency characteristics of the flexible joint, including analyzing the natural and resonance vibration frequencies, the swinging amplitudes of stable and resonance vibration, and swinging angular rate and acceleration. A calculation sample is given as reference for the design of the flexible joint. |
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| Keywords: | Flexible joint Frequency Signature analysis Flexible nozzle |
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