A review of operational modal analysis techniques for in-service modal identification
Vibrations are the root cause of many mechanical and civil structure failures. Dynamic
characteristics of a structure must be extracted to better understand structural vibrational …
characteristics of a structure must be extracted to better understand structural vibrational …
An overview: The application of vibration-based techniques in bridge structural health monitoring
Structural health monitoring (SHM) systems have been developed to evaluate structural
responses to extreme events such as natural and man-made hazards. Additionally, the …
responses to extreme events such as natural and man-made hazards. Additionally, the …
One-year operational modal analysis of a steel bridge from high-resolution macrostrain monitoring: Influence of temperature vs. retrofitting
Vibration monitoring from strain data is a promising alternative to the more conventional
acceleration-based monitoring because a dense measurement grid can be achieved at a …
acceleration-based monitoring because a dense measurement grid can be achieved at a …
A three-stage automated modal identification framework for bridge parameters based on frequency uncertainty and density clustering
Y He, JP Yang, YF Li - Engineering Structures, 2022 - Elsevier
As the automated modal analysis is crucial for a continuous monitoring system, this study
proposes a framework for automated modal identification of bridge parameters based on the …
proposes a framework for automated modal identification of bridge parameters based on the …
Uncertainty quantification in data-driven stochastic subspace identification
EPB Reynders - Mechanical Systems and Signal Processing, 2021 - Elsevier
A crucial aspect in system identification is the assessment of the accuracy of the identified
system matrices. Stochastic Subspace Identification (SSI) is a widely used approach for the …
system matrices. Stochastic Subspace Identification (SSI) is a widely used approach for the …
Uncertainty quantification of the modal assurance criterion in operational modal analysis
Abstract The Modal Assurance Criterion (MAC) is a modal indicator designed to decide
whether the mode shapes used in its computation are corresponding to the same mode …
whether the mode shapes used in its computation are corresponding to the same mode …
The role of modal parameters uncertainty estimation in automated modal identification, modal tracking and data normalization
During the last decade, many vibration-based structural health monitoring systems have
been successfully implemented in different structures such as bridges, towers, stadia and …
been successfully implemented in different structures such as bridges, towers, stadia and …
The influence of environmental parameters on the dynamic behaviour of the San Frediano bell tower in Lucca
This paper aims at assessing the influence of environmental parameters on the modal
characteristics of age–old masonry constructions. The results of a long–term ambient …
characteristics of age–old masonry constructions. The results of a long–term ambient …
Fully automated precise operational modal identification
M He, P Liang, J Li, Y Zhang, Y Liu - Engineering Structures, 2021 - Elsevier
Modal identification has been playing an important role in structural health monitoring.
Traditional modal identification process requires too much user interaction and many …
Traditional modal identification process requires too much user interaction and many …
Automated operational modal analysis using variational Gaussian mixture model
Automated operational modal analysis is essential for online structural health monitoring
without human intervention. It remains a challenging issue due to the need of processing a …
without human intervention. It remains a challenging issue due to the need of processing a …