Damage parameters and input force estimation for simple frame structures sbjected ot unknown excitations
Publication details: Chennai CSIR 2021Edition: Vol.48(2), June-JulyDescription: 118-130pSubject(s): In: Journal of structural engineering (JOSE)Summary: The present paper aims at estimating the damage parameters of the structures subjected to an unknown excitation. Damage parameters are characterized as the damage location and the reduction i stiffness. Typically, the damage identification is formulated as a joint state parameter estimation problem. Current work reformulates the problem, to estimate the excitation force simultaneously. The joint estimation problems are considered as nonlinear identification problems. The current study adopts a nonlinear identification algorithm that integrates an unbiased minimum variance estimator and an optimization scheme .....| Item type | Current library | Status | Barcode | |
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School of Engineering & Technology (PG) Archieval Section | Not for loan | 2022-0154 |
The present paper aims at estimating the damage parameters of the structures subjected to an unknown excitation. Damage parameters are characterized as the damage location and the reduction i stiffness. Typically, the damage identification is formulated as a joint state parameter estimation problem. Current work reformulates the problem, to estimate the excitation force simultaneously. The joint estimation problems are considered as nonlinear identification problems. The current study adopts a nonlinear identification algorithm that integrates an unbiased minimum variance estimator and an optimization scheme .....
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