| 直升机地面共振试验数字仿真分析 |
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| 引用本文： | 凌爱民,黄斌根,许宁.直升机地面共振试验数字仿真分析[J].直升机技术,2009(3). |
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| 作者姓名： | 凌爱民 黄斌根 许宁 |
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| 作者单位： | 1. 中国直升机设计研究所旋翼动力学国防科技重点实验室,景德镇,333001
2. 中国直升机设计研究所,景德镇,333001 |
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| 摘 要： | 本文采用数字仿真方法,动态演示直升机地面共振开车试验过程,研究了旋翼开车运转通过不稳定的低转速区和处于临界转速边界时,液压减摆器的非线性阻尼特性对地面共振的影响。
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| 关 键 词： | 数字仿真 地面共振 减摆器 非线性 |
Simulation Analysis of Helicopter Ground Resonance Test |
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| Authors: | LING Aimin HUANG Bingen XU Ning |
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| Institution: | 1.National Key Laboratory of Rotorcraft Aeromechanics; China Helicopter Research and Development Institute; Jingdezhen; 333001; 2.China Helicopter Research and Development Institute; 333001); |
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| Abstract: | In this paper,the affections of non-linear damping property of liquid lead-lag damper on ground resonance are investigated,while the rotor speed runs through the lower rotation range where ground resonance exists and at critical speed by the way of digital simulation to demonstrate dynamically the process of helicopter ground resonance test. |
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| Keywords: | digital simulation ground resonance lead-lag damper non-linear |
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