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Real‐Time System Identification: An Algorithm for Simultaneous Model Class Selection and Parametric Identification
Author(s) -
Yuen KaVeng,
Mu HeQing
Publication year - 2015
Publication title -
computer‐aided civil and infrastructure engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.773
H-Index - 82
eISSN - 1467-8667
pISSN - 1093-9687
DOI - 10.1111/mice.12146
Subject(s) - identification (biology) , parametric statistics , kalman filter , computer science , algorithm , system identification , selection (genetic algorithm) , model selection , parametric model , focus (optics) , class (philosophy) , embedding , selection algorithm , artificial intelligence , data mining , mathematics , statistics , botany , physics , optics , biology , measure (data warehouse)
In this article, a novel Bayesian real‐time system identification algorithm using response measurement is proposed for dynamical systems. In contrast to most existing structural identification methods which focus solely on parametric identification, the proposed algorithm emphasizes also model class selection. By embedding the novel model class selection component into the extended Kalman filter, the proposed algorithm is applicable to simultaneous model class selection and parametric identification in the real‐time manner. Furthermore, parametric identification using the proposed algorithm is based on multiple model classes. Examples are presented with application to damage detection for degrading structures using noisy dynamic response measurement.