Structural damage identification with unknown external inputs based on the sparse constraint

D Wei, D Li, E Cai, J Huang, X Guo - Smart Materials and …, 2023 - iopscience.iop.org
The strength and integrity of a structure are determined not only by the quality of its
materials, but also by the health of its various components. In some cases, damaged cracks …

[PDF][PDF] Structural damage identification with output-only measurements using modified Jaya algorithm and Tikhonov regularization method

GC Zhang, CF Wan, LY Xie… - Smart Structures and …, 2023 - vibcon.tongji.edu.cn
The absence of excitation measurements may pose a big challenge in the application of
structural damage identification owing to the fact that substantial effort is needed to …

Model-calibration-free damage identification of shear structures by measurement changes correction and sparse regularization

Y Tan, Y Chen, ZR Lu, L Wang - Structures, 2022 - Elsevier
This paper proposes a model-calibration-free method for damage identification of shear
structures using the modal data. In doing so, a decoupling formulation is established upon …

Semi‐supervised structural linear/nonlinear damage detection and characterization using sparse identification

Z Lai, S Nagarajaiah - Structural Control and Health Monitoring, 2019 - Wiley Online Library
As a useful class of techniques for structural health monitoring, vibration‐based structural
damage detection has been intensively studied in civil engineering community for decades …

Modal‐based structural damage identification by minimum constitutive relation error and sparse regularization

J Guo, L Wang, I Takewaki - Structural Control and Health …, 2018 - Wiley Online Library
This paper presents a novel sparse‐regularized minimum constitutive relation error (min‐
CRE) approach for structural damage identification with modal data. In this approach, the …

Sparse regularization-based damage detection in a bridge subjected to unknown moving forces

C Pan, L Yu - Journal of Civil Structural Health Monitoring, 2019 - Springer
Output-only structural damage detection (SDD) is an important issue in the field of structural
health monitoring (SHM). As an attempt, this study aims to propose a sparse regularization …

Sensitivity-free damage identification based on incomplete modal data, sparse regularization and alternating minimization approach

L Wang, ZR Lu - Mechanical systems and signal processing, 2019 - Elsevier
The incomplete modal data is mostly measured for experimental and engineering structures,
however, its application into structural damage identification suffers from the drawback that …

Non-convex sparse optimization-based impact force identification with limited vibration measurements

L Chen, Y Wang, B Qiao, J Liu, W Cheng… - Frontiers of Mechanical …, 2023 - Springer
Impact force identification is important for structure health monitoring especially in
applications involving composite structures. Different from the traditional direct measurement …

Structural damage identification based on extended Kalman filter and response reconstruction

M Liu, Z Peng, Q Dong - Iranian Journal of Science and Technology …, 2023 - Springer
Aiming at the problems of low signal precision and uncertain sparsity in traditional structural
damage identification methods, a structural damage identification method based on an …

Vibration-based structural damage identification using sparse recovery and sparse bayesian learning

R Hou - 2019 - theses.lib.polyu.edu.hk
Numerous vibration-based structural damage detection methods have been developed over
the past decades. The basic idea of these methods is that structural damage may induce …