| 模态参数的优化识别算法 |
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| 引用本文： | 胡以怀,周轶尘.模态参数的优化识别算法[J].振动与冲击,1995,14(4):57-60. |
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| 作者姓名： | 胡以怀 周轶尘 |
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| 作者单位： | 华中理工大学，武汉交通科技大学 |
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| 摘 要： | 利用频响函数识别复频率模态质量存在着严重的数值计算不稳定性，给物理参数的识别造成困难。本文介绍的一种优化识别算法有效地解决了这个困难。仿真算例表明，优化算法识别精度高，抗噪声能力强，可用于实际复频率模态质量的识别。
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| 关 键 词： | 参数识别，优化算法 |
OPTIMIZATION ALGORITHM OF MODALPARAMETER IDENTIFICATION |
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| Hu Yihuai,Zhou Yichen.OPTIMIZATION ALGORITHM OF MODALPARAMETER IDENTIFICATION[J].Journal of Vibration and Shock,1995,14(4):57-60. |
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| Authors: | Hu Yihuai Zhou Yichen |
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| Affiliation: | Wuhan University of Water Transportation Engineering |
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| Abstract: | The severe numerical instability in complex frequency modal mass identification from frequency response function makes it difficult to identify physical parameters.An optimization algorithm introduced in this paper can solve this problem efficiently.Computer simulation examples verified its high identification accuracy,anti-noise ability and feasibility in practical use. |
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| Keywords: | parameter estimation optimization algorithm |
| 本文献已被 CNKI 维普 等数据库收录！ |
