Theoretical Model and Numerical Method on Online Identification of Dynamical Characteristics of Structural System

YAO Zhi-yuan; WANG Feng-quan

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Article Navigation > Applied Mathematics and Mechanics > 2004 > 25(8): 875-880

YAO Zhi-yuan, WANG Feng-quan. Theoretical Model and Numerical Method on Online Identification of Dynamical Characteristics of Structural System[J]. Applied Mathematics and Mechanics, 2004, 25(8): 875-880.

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Theoretical Model and Numerical Method on Online Identification of Dynamical Characteristics of Structural System

Department of Engineering Mechanics, Southeast University, Nanjing 210096, P. R. China

Received Date: 2002-12-12
Rev Recd Date: 2004-03-03
Publish Date: 2004-08-15

Abstract

Abstract

An online method of identification of dynamic characteristics only using measured ambient response of structural dynamic system is widely focused on. The Ibrahim and ARMAV methods are basic identification methods. A model on dynamic system suffered by random ambient excitation was researched into, and a subspace decomposition method being different from traditional harmonic retrieval method was introduced. Robustness and effectiveness of this approach on identification of vibration characteristics are demonstrated on numerical experiment.
- modal identification,
- system identification,
- structure dynamic system

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References(6)

References

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