| 多轴振动试验系统传递函数估计的数值仿真 |
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| 引用本文： | 魏军,冯咬齐,樊世超,等.多轴振动试验系统传递函数估计的数值仿真[J].航天器环境工程,2009,26(1):42-46. |
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| 作者姓名： | 魏军 冯咬齐 樊世超 等 |
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| 作者单位： | 北京卫星环境工程研究所,北京,100094 |
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| 摘 要： | 文章应用频响矩阵建立了多轴振动系统输入输出之间的数学模型.通过数值仿真的方法,研究了多轴振动试验中传递函数估计的方法,针对不同激励信号组合、不同估计算法和使用多次平均技术情况下进行了数值模拟,并对结果进行了分析.可以为多轴振动试验控制系统的研究提供参考.
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| 关 键 词： | 多轴振动试验 传递函数估计 仿真 |
| 收稿时间： | 2008/10/25 0:00:00 |
| 修稿时间： | 2008/11/7 0:00:00 |
Numerical simulation of frequency response matrix estimation in multi-axis vibration test control system |
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| Wei Jun,Feng Yaoqi,Fan Shichao.Numerical simulation of frequency response matrix estimation in multi-axis vibration test control system[J].Spacecraft Environment Engineering,2009,26(1):42-46. |
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| Authors: | Wei Jun Feng Yaoqi Fan Shichao |
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| Institution: | Beijing Institute of Spacecraft Environment Engineering;Beijing 100094;China |
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| Abstract: | This paper discusses various methods for frequency response matrix estimation in pre-tests of multi-axis vibration test control system through numerical simulation,in which a number of independent random excitation signals are used to drive the multi-axis system,and H1 estimate algorithm and over 20 times average are employed for a better result. |
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| Keywords: | multi-axis vibration test FRM numerical simulation |
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