Damage detection using successive parameter subset selections and multiple modal residuals

Research output: Contribution to journalArticle (Academic Journal)peer-review

10 Citations (Scopus)


The use of modal response residuals and parameterized models forms the framework for parameter subset selection based damage detection. This research explores the novel approach in this class of methods which is characterized by the successive application of the homogeneous modal response residuals. The motivation behind this approach is to restrict the use of unknown weighting factors which are employed in cases with mixed response residuals. Particular attention is given to the parameter-effect symmetry issues and large nonlinear changes in response residuals due to increasing damage observed across multiple damage levels. A case study involving a real aluminum three-dimensional frame structure with a loose joint connection is used to demonstrate the approach and its ability to localize the damaged area.
Original languageEnglish
Pages (from-to)193-206
JournalMechanical Systems and Signal Processing
Issue number1
Publication statusPublished - 2014


  • Damage detection
  • Subspace angles
  • Parameter subset selection
  • Modal residuals
  • Symmetry

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