A Two-Stage Kalman Estimation Approach for the Identification of Large Size Structural Parameters

Ying Lei; De Ting Wu; Yong Qiang Jiang

doi:10.4028/www.scientific.net/AMR.163-167.2603

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 163-167A Two-Stage Kalman Estimation Approach for the...

A Two-Stage Kalman Estimation Approach for the Identification of Large Size Structural Parameters

Abstract:

A new distributed structural damage detection approach based on a two-stage Kalman estimator approach, which is not available in the previous literature, is proposed for the identification of large size structural parameters under limited input and output measurements. A large size structure is decomposed into small size substructures based on its finite element formulation and each substructure is identified by utilizing the two-stage Kalman estimator approach. It can greatly reduce the time of iteration calculation. Numerical example of identifying the parameters of a large-size plane truss bridge is conducted. Simulation results show that the proposed approach is able to identify structural systems.

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Periodical:

Advanced Materials Research (Volumes 163-167)

Pages:

2603-2607

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.163-167.2603

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Online since:

December 2010

Authors:

Ying Lei, De Ting Wu, Yong Qiang Jiang

Keywords:

Kalman Estimator, Structural Damage Detection, Substructure

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