Modal Parameters Identification of Transmission Tower Based on Improved Stochastic Subspace Identification

Xiao Feng Liu; Xiu Lian Lu

doi:10.4028/www.scientific.net/AMM.229-231.1072

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 229-231Modal Parameters Identification of Transmission...

Modal Parameters Identification of Transmission Tower Based on Improved Stochastic Subspace Identification

Abstract:

In the condition of environmental excitation and the modal parameters can be identified to only use response data. Based on the improved stochastic subspace identification method, can avoid the fitting error from asynchronous samples, which can integrate asynchronous multi-groups response samples into synchronous pulsing response data, Finally, the identification results of different system order number was utilized to construct stable map to acquire more accurate identification and avoid lost root or duplicate root than the conventional method.

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Periodical:

Applied Mechanics and Materials (Volumes 229-231)

Pages:

1072-1076

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.229-231.1072

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Online since:

November 2012

Authors:

Xiao Feng Liu, Xiu Lian Lu

Keywords:

Ambient Excitation, Modal Parameters, Stochastic Subspace, transmission tower

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