Sparse and low-rank methods in structural system identification and monitoring

S Nagarajaiah - Procedia Engineering, 2017 - Elsevier
This paper presents sparse and low-rank methods for explicit modeling and harnessing the
data structure to address the inverse problems in structural dynamics, identification, and …

Modeling and harnessing sparse and low‐rank data structure: a new paradigm for structural dynamics, identification, damage detection, and health monitoring

S Nagarajaiah, Y Yang - Structural Control and Health …, 2017 - Wiley Online Library
This paper presents a new paradigm of explicitly modeling and harnessing the data
structure to address the inverse problems in structural dynamics, identification, and data …

Sparse representation for damage identification of structural systems

Z Chen, H Sun - Structural Health Monitoring, 2021 - journals.sagepub.com
Identifying damage of structural systems is typically characterized as an inverse problem
which might be ill-conditioned due to aleatory and epistemic uncertainties induced by …

Harnessing data structure for recovery of randomly missing structural vibration responses time history: Sparse representation versus low-rank structure

Y Yang, S Nagarajaiah - Mechanical Systems and Signal Processing, 2016 - Elsevier
Randomly missing data of structural vibration responses time history often occurs in
structural dynamics and health monitoring. For example, structural vibration responses are …

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 …

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 …

Structural damage detection via adaptive dictionary learning and sparse representation of measured acceleration responses

Z Chen, C Pan, L Yu - Measurement, 2018 - Elsevier
Extracting damage-sensitive features from measured acceleration responses is still a big
challenge in structural damage detection (SDD). In order to obtain the sparse representation …

Structural damage identification via a combination of blind feature extraction and sparse representation classification

Y Yang, S Nagarajaiah - Mechanical Systems and Signal Processing, 2014 - Elsevier
This paper addresses two problems in structural damage identification: locating damage
and assessing damage severity, which are incorporated into the classification framework …

Identification of external forces via truncated response sparse decomposition under unknown initial conditions

C Pan, L Yu - Advances in Structural Engineering, 2019 - journals.sagepub.com
When structural dynamic design for smart control and health monitoring is executed,
imposed excitations on structures are one of most important issues in structural engineering …

Damage identification from static tests by eigenparameter decomposition and sparse regularization

ZR Lu, J Zhou, L Wang, J Liu - Structural Health Monitoring, 2020 - journals.sagepub.com
Identifying the damages from test data is central to assuring the structural safety. The static
model is the simplest model to describe the mechanical behavior of the structure where only …