Comparison of Aeroelastic Modeling and Robust Flutter Analysis of a Typical Section

Andrea Iannelli, Andres Marcos, Mark Lowenberg

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

1 Citation (Scopus)
213 Downloads (Pure)

Abstract

A comparison of robust flutter analyses within the µ framework is presented. The chosen test bed is the typical section with unsteady aerodynamic loads, which enables basic modeling features to be captured and so extend the gained knowledge to practical problems treated with modern techniques. The two main approaches to pose the LFT problem are investigated and features such as numerical accuracy and physical uncertainty description are assessed. A criterion is proposed to correlate the families of plants originated by the uncertainty description of the aerodynamic operator when different approximation algorithms are employed.

Original languageEnglish
Title of host publication20th IFAC Symposium on Automatic Control in AerospaceACA 2016
Subtitle of host publicationSherbrooke, Quebec, Canada, 21-25 August 2016
EditorsJean de Lafontaine
PublisherAmsterdam:Elsevier
Pages409-414
Number of pages6
DOIs
Publication statusPublished - 2016
Event20th IFAC Symposium on Automatic Control in Aerospace - ACA 2016 - Sherbrooke, Quebec, Canada
Duration: 21 Aug 201625 Aug 2016

Publication series

NameIFAC-PapersOnLine
PublisherElsevier
ISSN (Print)2405-8963

Conference

Conference20th IFAC Symposium on Automatic Control in Aerospace - ACA 2016
CountryCanada
CitySherbrooke, Quebec
Period21/08/1625/08/16

Keywords

  • Robust stability
  • Flexible structures
  • Flutter analysis
  • Structured Singular Value

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