太原理工大学学报2012，Vol.43Issue(6)：727-731,5.
频域子空间模态参数辨识的改进算法
Improvement on Modal Parameter Identification Algorithm with Frequency Domain Subspace
马立元 1李永军 1王天辉 1李世龙1
作者信息
- 1. 军械工程学院导弹工程系,石家庄050003
- 折叠
摘要
Abstract
In order to solve the restriction in applications of frequency domain subspace in modal parameter identification, a new subspace algorithm in frequency domain was put forward in this paper,which segments the frequency domain data and recomputes the broad sense arithmetic operators to construct the new state equation and identify the modal parameter. The simulation validation was carried out. The algorithm was used to identify the parameter of some variable section shaft. The result was consistent with the finite element result, so the algorithm was verified to be effective. It was concluded that the algorithm can be realized on the common compute device because. It can decrease compute volume.关键词
模态参数辨识/频域子空间/分段/有限元Key words
modal parameter identification/frequency domain subspace/segment/limit element分类
信息技术与安全科学引用本文复制引用
马立元,李永军,王天辉,李世龙..频域子空间模态参数辨识的改进算法[J].太原理工大学学报,2012,43(6):727-731,5.
