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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/70841
Title: 
False alarms in damage detection approaches
Author(s): 
Institution: 
  • Universidade Estadual Paulista (UNESP)
  • Universidade Estadual de Campinas (UNICAMP)
ISSN: 
  • 2191-5644
  • 2191-5652
Abstract: 
Structural Health Monitoring (SHM) denotes a system with the ability to detect and interpret adverse changes in structures in order to improve reliability and reduce life-cycle costs. The greatest challenge for designing a SHM system is knowing what changes to look for and how to classify them. Different approaches for SHM have been proposed for damage identification, each one with advantages and drawbacks. This paper presents a methodology for improvement in vibration signal analysis using statistics information involving the probability density. Generally, the presence of noises in input and output signals results in false alarms, then, it is important that the methodology can minimize this problem. In this paper, the proposed approach is experimentally tested in a flexible plate using a piezoelectric (PZT) actuator to provide the disturbance.
Issue Date: 
1-Dec-2008
Citation: 
Conference Proceedings of the Society for Experimental Mechanics Series.
Keywords: 
  • Damage detection
  • False alarms
  • Probability density
  • PZT actuator
  • Time series
  • Damage Identification
  • Detection approach
  • Flexible plates
  • Input and outputs
  • Lifecycle costs
  • Probability densities
  • PZT
  • Vibration signal analysis
  • Actuators
  • Alarm systems
  • Errors
  • Exhibitions
  • Structural dynamics
Source: 
https://www.sem.org/Proceedings/ConferencePapers-Paper.cfm?ConfPapersPaperID=20025
URI: 
Access Rights: 
Acesso aberto
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/70841
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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