Browsing by Subject "Structural health monitoring"

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Browsing by Subject "Structural health monitoring"

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  • Pakrashi, Vikram; Basu, Biswajit; O'Connor, Alan J. (IISC, 2005)
    Damage detection in flexural members by wavelet analysis involves certain important factors such as the choice of wavelet function, the effects of windowing and the effects of masking due to the presence of noise during ...
  • Pakrashi, Vikram; O'Connor, Alan J.; Basu, Biswajit (Bridge Engineering in Ireland, 2006)
    Efficient damage detection and calibration of structures have gained great importance in recent times in terms of health monitoring and maintenance programmes. Wavelet analysis based damage detection and calibration from ...
  • Pakrashi, Vikram; O'Connor, Alan J.; Basu, Biswajit (Civil-Comp Press, 2007)
    This paper presents a study of wavelet based prediction curves for the extent of damage using experimental data from the spatial domain. The methodology is illustrated through experiments on a simply supported beam traversed ...
  • Pakrashi, Vikram; O'Connor, Alan J.; Schoefs, Franck (Taylor & Francis, 2007-07-18)
    Measurement of the extent of damage in a real structure is extremely important in terms of any maintenance strategy. However, this measurement often turns out to be difficult, time consuming and error – prone. The necessity ...
  • Pakrashi, Vikram; Basu, Biswajit; O'Connor, Alan J. (Elsevier Ltd., 2007-09)
    Some key factors in the field of damage detection of structures are the efficient and consistent detection of the presence, location and the extent of damage. A detailed numerical study has been performed in this paper ...
  • Pakrashi, Vikram; O'Connor, Alan J.; Basu, Biswajit (Blackwell Publishing Ltd,, 2007-11)
    Damage detection and calibration in beams by wavelet analysis involve some key factors such as the damage model, the choice of the wavelet function, the effects of windowing, and the effects of masking due to the presence ...
  • Pakrashi, Vikram; O'Connor, Alan J.; Breysse, Denys (MEDACHS08, 2008)
    Deterioration modelling of structures has gained significant importance in recent times in relation with structural health monitoring, rehabilitation, maintenance and decision making process. The behaviour of any deteriorating ...
  • Pakrashi, Vikram; Ghosh, Bidisha (2009)
    The successful detection of change in a data or in any of its derivatives in the presence of noise is a critical component of structural health monitoring and damage detection. This sudden change can be brought about by ...
  • Pakrashi, Vikram; Schoefs, Franck; Memet, Jean Bernard; O'Connor, Alan J. (Taylor & Francis, 2010)
    The localisation and calibration of damage in a structure are often difficult, time consuming, subjective and error prone. The importance of a simple, fast and relatively inexpensive non-destructive technique (NDT) ...
  • Pakrashi, Vikram; O'Connor, Alan J.; Basu, Biswajit (Sage Publications, 2010-07)
    This article presents an experimental monitoring of the evolution of a crack in a beam using beam-vehicle interaction response signals for identification of progressively increasing crack-depth ratios. The beam is traversed ...
  • O'Flynn, Brendan; Boyle, David; Popovici, Emanuel M.; Magno, Michele; Petrioli, C. (2011-09)
    The GENESI project has the ambitious goal of bringing WSN technology to the level where it can provide the core of the next generation of systems for structural health monitoring that are long lasting, pervasive and totally ...
  • Boyle, David; Magno, Michele; O'Flynn, Brendan; Brunelli, Davide; Popovici, Emanuel M.; Benini, Luca (IEEE, 2011-12-09)
    This paper documents the design, implementation and characterisation of a wireless sensor node (GENESI Node v1.0), applicable to long-term structural health monitoring. Presented is a three layer abstraction of the ...