Health Monitoring of Civil Infrastructures by Subspace System Identification Method: An Overview

Structural health monitoring (SHM) is the main contributor of the future’s smart city to deal with the need for safety, lower maintenance costs, and reliable condition assessment of structures. Among the algorithms used for SHM to identify the system parameters of structures, subspace system identif...

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Main Authors: Hoofar Shokravi, Hooman Shokravi, Norhisham Bakhary, Seyed Saeid Rahimian Koloor, Michal Petrů
Format: Article
Language:English
Published: MDPI AG 2020-04-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/10/8/2786
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author Hoofar Shokravi
Hooman Shokravi
Norhisham Bakhary
Seyed Saeid Rahimian Koloor
Michal Petrů
author_facet Hoofar Shokravi
Hooman Shokravi
Norhisham Bakhary
Seyed Saeid Rahimian Koloor
Michal Petrů
author_sort Hoofar Shokravi
collection DOAJ
description Structural health monitoring (SHM) is the main contributor of the future’s smart city to deal with the need for safety, lower maintenance costs, and reliable condition assessment of structures. Among the algorithms used for SHM to identify the system parameters of structures, subspace system identification (SSI) is a reliable method in the time-domain that takes advantages of using extended observability matrices. Considerable numbers of studies have specifically concentrated on practical applications of SSI in recent years. To the best of author’s knowledge, no study has been undertaken to review and investigate the application of SSI in the monitoring of civil engineering structures. This paper aims to review studies that have used the SSI algorithm for the damage identification and modal analysis of structures. The fundamental focus is on data-driven and covariance-driven SSI algorithms. In this review, we consider the subspace algorithm to resolve the problem of a real-world application for SHM. With regard to performance, a comparison between SSI and other methods is provided in order to investigate its advantages and disadvantages. The applied methods of SHM in civil engineering structures are categorized into three classes, from simple one-dimensional (1D) to very complex structures, and the detectability of the SSI for different damage scenarios are reported. Finally, the available software incorporating SSI as their system identification technique are investigated.
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spelling doaj.art-97f7df4d7a454772a2a6826b438cf5ad2023-11-19T21:53:27ZengMDPI AGApplied Sciences2076-34172020-04-01108278610.3390/app10082786Health Monitoring of Civil Infrastructures by Subspace System Identification Method: An OverviewHoofar Shokravi0Hooman Shokravi1Norhisham Bakhary2Seyed Saeid Rahimian Koloor3Michal Petrů4Faculty of Civil Engineering, Universiti Teknologi Malaysia, Skudai 81310, MalaysiaDepartment of Civil Engineering, Islamic Azad University, Tabriz 5157944533, IranFaculty of Civil Engineering, Universiti Teknologi Malaysia, Skudai 81310, MalaysiaInstitute for Nanomaterials, Advanced Technologies and Innovation (CXI), Technical University of Liberec (TUL), Studentska 2, 461 17 Liberec, Czech RepublicInstitute for Nanomaterials, Advanced Technologies and Innovation (CXI), Technical University of Liberec (TUL), Studentska 2, 461 17 Liberec, Czech RepublicStructural health monitoring (SHM) is the main contributor of the future’s smart city to deal with the need for safety, lower maintenance costs, and reliable condition assessment of structures. Among the algorithms used for SHM to identify the system parameters of structures, subspace system identification (SSI) is a reliable method in the time-domain that takes advantages of using extended observability matrices. Considerable numbers of studies have specifically concentrated on practical applications of SSI in recent years. To the best of author’s knowledge, no study has been undertaken to review and investigate the application of SSI in the monitoring of civil engineering structures. This paper aims to review studies that have used the SSI algorithm for the damage identification and modal analysis of structures. The fundamental focus is on data-driven and covariance-driven SSI algorithms. In this review, we consider the subspace algorithm to resolve the problem of a real-world application for SHM. With regard to performance, a comparison between SSI and other methods is provided in order to investigate its advantages and disadvantages. The applied methods of SHM in civil engineering structures are categorized into three classes, from simple one-dimensional (1D) to very complex structures, and the detectability of the SSI for different damage scenarios are reported. Finally, the available software incorporating SSI as their system identification technique are investigated.https://www.mdpi.com/2076-3417/10/8/2786structural health monitoring (SHM)vibration-based damage detectionsystem identificationsubspace system identification (SSI)
spellingShingle Hoofar Shokravi
Hooman Shokravi
Norhisham Bakhary
Seyed Saeid Rahimian Koloor
Michal Petrů
Health Monitoring of Civil Infrastructures by Subspace System Identification Method: An Overview
Applied Sciences
structural health monitoring (SHM)
vibration-based damage detection
system identification
subspace system identification (SSI)
title Health Monitoring of Civil Infrastructures by Subspace System Identification Method: An Overview
title_full Health Monitoring of Civil Infrastructures by Subspace System Identification Method: An Overview
title_fullStr Health Monitoring of Civil Infrastructures by Subspace System Identification Method: An Overview
title_full_unstemmed Health Monitoring of Civil Infrastructures by Subspace System Identification Method: An Overview
title_short Health Monitoring of Civil Infrastructures by Subspace System Identification Method: An Overview
title_sort health monitoring of civil infrastructures by subspace system identification method an overview
topic structural health monitoring (SHM)
vibration-based damage detection
system identification
subspace system identification (SSI)
url https://www.mdpi.com/2076-3417/10/8/2786
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