LAUSR

About LAUSR
Donate
Contact Us

Follow us:

You are not signed in:

Sign Up!


   Articles with "modal parameters" as a keyword



Effect of environmental factors on modal identification of a hydroelectric dam’s hollow-gravity concrete block

Sign Up to like & get
recommendations! Published in 2024 at "Journal of Civil Structural Health Monitoring"

DOI: 10.1007/s13349-024-00828-3

Abstract: Dams are a type of civil infrastructure that can directly impact people’s well-being, as their function is energy production, flood control, or water supply. Therefore, it is worth generating strategies to assess its current condition,… read more here.

Keywords: dam hollow; environmental factors; modal parameters; factors modal ... See more keywords

Locating damaged storeys in a structure based on its identified modal parameters in Cauchy wavelet domain

Sign Up to like & get
recommendations! Published in 2018 at "Applied Mathematical Modelling"

DOI: 10.1016/j.apm.2017.02.006

Abstract: Abstract Structural damage detection based on the changes of dynamic properties is a major topic for structural health monitoring. In this paper, efforts are made to extend the flexibility-based damage localization methods, especially the damage… read more here.

Keywords: identified modal; modal parameters; cauchy wavelet; structure ... See more keywords

Data-driven model updating of an offshore wind jacket substructure

Sign Up to like & get
recommendations! Published in 2020 at "Applied Ocean Research"

DOI: 10.1016/j.apor.2020.102366

Abstract: Abstract The present paper provides a model updating application study concerning the jacket substructure of an offshore wind turbine. The updating is resolved in a sensitivity-based parameter estimation setting, where a cost function expressing the… read more here.

Keywords: model updating; jacket substructure; offshore wind; modal parameters ... See more keywords
Photo from wikipedia

Automatic identification of modal parameters for structures based on an uncertainty diagram and a convolutional neural network

Sign Up to like & get
recommendations! Published in 2020 at "Structures"

DOI: 10.1016/j.istruc.2020.08.077

Abstract: Abstract A novel method for automatic identification of structural modal parameters is proposed, based on new developments in both uncertainty quantification for stochastic subspace identification and deep learning. An uncertainty diagram is first constructed to… read more here.

Keywords: uncertainty diagram; uncertainty; automatic identification; modal parameters ... See more keywords

Fisher information-based optimal input locations for modal identification

Sign Up to like & get
recommendations! Published in 2019 at "Journal of Sound and Vibration"

DOI: 10.1016/j.jsv.2019.06.040

Abstract: Abstract A method is proposed to determine optimal locations of input forces for experimental modal analysis. The input locations are optimal in a sense that the measured vibration responses, under inputs thus located, contain maximum… read more here.

Keywords: input; input locations; optimal input; fisher information ... See more keywords
Photo from wikipedia

Data-driven experimental modal analysis by Dynamic Mode Decomposition

Sign Up to like & get
recommendations! Published in 2020 at "Journal of Sound and Vibration"

DOI: 10.1016/j.jsv.2020.115434

Abstract: Abstract This paper discusses the application of Dynamic Mode Decomposition (DMD) to the extraction of modal properties of linear mechanical systems, i.e., experimental modal analysis (EMA). First, theoretical background of the DMD is briefly reviewed… read more here.

Keywords: dynamic mode; modal parameters; modal analysis; experimental modal ... See more keywords
Photo from wikipedia

Field measurement study on time-varying characteristics of modal parameters of super high-rise buildings during super typhoon

Sign Up to like & get
recommendations! Published in 2020 at "Journal of Wind Engineering and Industrial Aerodynamics"

DOI: 10.1016/j.jweia.2020.104139

Abstract: Abstract This study identifies the modal parameters of four super high-rise buildings in Shenzhen and analyzes the variation of their structural dynamic properties with amplitude and time based on the long-term field data of Super… read more here.

Keywords: wind; typhoon; modal parameters; time ... See more keywords
Photo from wikipedia

A robust methodology for modal parameters estimation applied to SHM

Sign Up to like & get
recommendations! Published in 2017 at "Mechanical Systems and Signal Processing"

DOI: 10.1016/j.ymssp.2017.03.021

Abstract: Abstract The subject of structural health monitoring is drawing more and more attention over the last years. Many vibration-based techniques aiming at detecting small structural changes or even damage have been developed or enhanced through… read more here.

Keywords: methodology; methodology modal; step; modal parameters ... See more keywords

An innovative Bayesian system identification method using autoregressive model

Sign Up to like & get
recommendations! Published in 2019 at "Mechanical Systems and Signal Processing"

DOI: 10.1016/j.ymssp.2019.106289

Abstract: Abstract This paper proposes an innovative Bayesian method for system identification based on autoregressive (AR) model. The dynamics of a structure is first modeled by an AR model. Due to measurement noise and modeling errors… read more here.

Keywords: autoregressive model; method; model; system identification ... See more keywords

Localization of impact on box mechanical structure by the method of modal parameters extraction combined with K-means clustering

Sign Up to like & get
recommendations! Published in 2021 at "Inverse Problems in Science and Engineering"

DOI: 10.1080/17415977.2021.1940164

Abstract: In structural health monitoring, the localization of impact is one of the most basic and challenging problems. However, existing technologies are only suitable for obtaining the impact position of plate structures, which hinder their engineering… read more here.

Keywords: means clustering; modal parameters; method; impact ... See more keywords

Identification of Modal Parameters Using an Improved Sparse Blind Source Separation Method

Sign Up to like & get
recommendations! Published in 2025 at "IEEE Access"

DOI: 10.1109/access.2025.3562428

Abstract: During the past decade, blind source separation (BSS) method has become an effective tool to characterize and identify modal parameters of linear systems. However, in practical engineering, the assumptions of guaranteeing conventional BSS method successful… read more here.

Keywords: blind source; method; modal parameters; source separation ... See more keywords