Cited by 60Ultrasonics and Acoustic Wave PropagationStructural Health Monitoring TechniquesNon-Destructive Testing Techniques

Distributed Piezoelectric Sensor System for Damage Identification in Structures Subjected to Temperature Changes

Open access
Vitola, Jaime, Pozo, Francesc, Tibaduiza, Diego, Anaya, Maribel·2017·Sensors

Abstract

Structural health monitoring (SHM) is a very important area in a wide spectrum of fields and engineering applications. With an SHM system, it is possible to reduce the number of non-necessary inspection tasks, the associated risk and the maintenance cost in a wide range of structures during their lifetime. One of the problems in the detection and classification of damage are the constant changes in the operational and environmental conditions. Small changes of these conditions can be considered by the SHM system as damage even though the structure is healthy. Several applications for monitoring of structures have been developed and reported in the literature, and some of them include temperature compensation techniques. In real applications, however, digital processing technologies have proven their value by: (i) offering a very interesting way to acquire information from the structures under test; (ii) applying methodologies to provide a robust analysis; and (iii) performing a damage identification with a practical useful accuracy. This work shows the implementation of an SHM system based on the use of piezoelectric (PZT) sensors for inspecting a structure subjected to temperature changes. The methodology includes the use of multivariate analysis, sensor data fusion and machine learning approaches. The methodology is tested and evaluated with aluminum and composite structures that are subjected to temperature variations. Results show that damage can be detected and classified in all of the cases in spite of the temperature changes.

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Crossref · 10.3390/s17061252

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  • Temperature is a potential confounding factor for SHM systems, especially large infrastructures, because temperature-induced variations in measured signals can have magnitudes similar to those generated by damages.

    “temperature is well known to be a potential confounding factor for SHM systems, especially when applied to large infrastructures, due to the variations induced on the measured signals, whose magnitudes, under certain circumstances, may be similar to those generated by damages.”

    From Vibration-based structural health monitoring exploiting a combination of convolutional neural networks and autoencoders for temperature effects neutralization (2022) · cites this paper as [21]

    The Experimental Setup and Results section reports temperature-induced changes in measured signal phase and amplitude, and the Concluding Remarks say these changes can cause false-positive damage detection in healthy structures. The copy does not establish that the signal variations are similar in magnitude to those caused by damage, or that the problem is especially pronounced in large infrastructure. (LLM, conf=0.84)

    Experimental — accuracy not yet measured

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Research works printed but not linked: 3

  1. [10]Anaya M. Tibaduiza D. Pozo F. Artificial Immune System (AIS) for Damage Detection Under Variable Temperature Conditions Proceedings of the European Workshop on Structural Health Monitoring Bilbao, Spain 5–8 July 2016
  2. [21]Tibaduiza D. Mujica L. Anaya M. Rodellar J. Güemes A. Independent component analysis for detecting damages on aircraft wing skeleton Proceedings of the 5th European Conference on Structural Control Genoa, Italy 18–20 June 2012
  3. [24]Jolliffe I. Principal Component Analysis Wiley Online Library New York, NY, USA 2002

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Authors
Vitola, J., Pozo, F., Tibaduiza, D., & Anaya, M.
Affiliations
  • Universidad Santo Tomás (CO)
  • Universitat Politècnica de Catalunya (ES)
  • Departamento de Ingeniería Eléctrica y Electrónica, Universidad Nacional de Colombia, Cra 45 No. 26-85, Bogotá 111321, Colombia
  • Fundación Universitaria Los Libertadores (CO)
Corresponding author
Pozo, Francesc
Venue
Sensors
Publisher
MDPI AG
Published
2017-05-31
Volume
17
Issue
6
Pages
1252
ISSN
1424-8220 (ISSN-L)
OpenAlex
W2619030265
Cited by
60
References
48
Citations by year
2026: 2 · 2025: 2 · 2024: 5 · 2023: 9 · 2022: 7 · 2021: 6 · 2020: 13 · 2019: 8 · 2018: 7 · 2017: 1
FWCI
5.73
Type
journal article
Language
en
Open access
Locations
  • Sensors (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (acceptedVersion, cc-by-nc-nd)
  • UPCommons institutional repository (Universitat Politècnica de Catalunya) (submittedVersion, cc-by-nc-nd)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • RECERCAT (Consorci de Serveis Universitaris de Catalunya) (submittedVersion, cc-by-nc-nd)
  • Repositorio Institucional FULL (submittedVersion)
Funders
  • Ministerio de Ciencia e Innovación (DPI2014-58427-C2-1-R)
  • Generalitat de Catalunya (2014 SGR 859)
  • FODEIN 2017 (17545020-47)
Topics
  • Physical Sciences › Engineering › Mechanics of Materials › Ultrasonics and Acoustic Wave Propagation
  • Physical Sciences › Engineering › Civil and Structural Engineering › Structural Health Monitoring Techniques
  • Physical Sciences › Engineering › Mechanical Engineering › Non-Destructive Testing Techniques
Keywords
structural health monitoring, piezoelectric sensors, PZT sensors, damage detection, damage classification, temperature compensation, temperature change, sensor fusion, multivariate analysis, machine learning, aluminium structures, composite structures, distributed sensor systems

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