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Blind Identification of Output-Only Systems and Structural Damage via Sparse Representations

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Encyclopedia of Earthquake Engineering

Synonyms

Blind source separation; Modal identification; Sparse representation; Structural health monitoring; Time-frequency analysis

Introduction

Traditional model-based structural modal analysis and damage identification methods are typically parametric and user involved; as such, they are usually associated with demanding computational resources and require quite a lot of prior knowledge of structures. For practical applications, it would be useful to seek efficient structural identification methods that may be able to extract the salient information directly from the measured structural signals. The recently widely deployed advanced structural health monitoring (SHM) systems in structures with dense sensors also support such an effort: the massive recorded data especially call for efficient data-driven algorithms (Yang and Nagarajaiah 2014c, d) for further structural assessment.

Recently, blind source separation (BSS) has emerged as a new unsupervised machine learning tool...

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Author information

Authors and Affiliations

  1. Department of Civil and Environmental Engineering, Rice University, 77005, Houston, TX, USA

    Satish Nagarajaiah & Yongchao Yang

  2. Department of Mechanical Engineering, Rice University, 77005, Houston, TX, USA

    Satish Nagarajaiah

Authors
  1. Satish Nagarajaiah
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  2. Yongchao Yang
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Corresponding author

Correspondence to Satish Nagarajaiah .

Editor information

Editors and Affiliations

  1. Institute for Risk & Uncertainty, University of Liverpool, Liverpool, United Kingdom

    Michael Beer

  2. Institute for Risk and Uncertainty, University of Liverpool, Liverpool, United Kingdom

    Ioannis A. Kougioumtzoglou

  3. Institute for Risk & Uncertainty, University of Liverpool, Liverpool, United Kingdom

    Edoardo Patelli

  4. Institute for Risk & Uncertainty, University of Liverpool, Liverpool, United Kingdom

    Ivan Siu-Kui Au

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Nagarajaiah, S., Yang, Y. (2021). Blind Identification of Output-Only Systems and Structural Damage via Sparse Representations. In: Beer, M., Kougioumtzoglou, I., Patelli, E., Au, IK. (eds) Encyclopedia of Earthquake Engineering. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-36197-5_77-1

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  • DOI: https://doi.org/10.1007/978-3-642-36197-5_77-1

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Online ISBN: 978-3-642-36197-5

  • eBook Packages: Springer Reference EngineeringReference Module Computer Science and Engineering

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