Paper Title:
Structural Physical Parameter Identification of Nonlinear Parametric System in Time Domain
  Abstract

The modified Levenberg-Marquardt (mLM) method is introduced for nonlinear parametric system, such as stiffness proportional damping and Rayleigh proportional damping. Since the mLM method is sensitive to the initial values of parameter, a SVD-mLM method is proposed with combination of singular value decomposition (SVD). Parameter identification of five-storey shear-type is simulated with incomplete output. The results show that the identified parameters have high precision, and the proposed method is effective and robust on noise.

  Info
Periodical
Chapter
Chapter 2: Monitoring and Control of Structures
Edited by
Xuejun Zhou
Pages
1040-1043
DOI
10.4028/www.scientific.net/AMM.94-96.1040
Citation
X. J. Wang, J. Cui, "Structural Physical Parameter Identification of Nonlinear Parametric System in Time Domain", Applied Mechanics and Materials, Vols. 94-96, pp. 1040-1043, 2011
Online since
September 2011
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