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Robust wing flutter suppression considering aerodynamic uncertainty
KTH, Tidigare Institutioner, Farkost- och flygteknik.
KTH, Tidigare Institutioner, Farkost- och flygteknik.
2004 (engelsk)Inngår i: Journal of Aircraft, ISSN 0021-8669, E-ISSN 1533-3868, Vol. 41, nr 2, 331-334 s.Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A robust aeroservoelastic stability analysis considering frequency-domain aerodynamic uncertainty is utilized for robust control law design for flutter suppression of a flexible wing. The problem of stabilizing the wing in flutter using a minimum amount of control power is posed. For this purpose, numerical optimization is used to minimize the norm of a simple low-order controller subject to constraints on robust closed-loop stability. Robust stability is enforced in the optimization problem by posing constraints on the upper bounds on structured singular values and eigenvalues obtained from a linear stability analysis. The resulting controller is synthesized using gain scheduling, and robust wing flutter suppression is demonstrated in wind-tunnel testing.

sted, utgiver, år, opplag, sider
2004. Vol. 41, nr 2, 331-334 s.
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Identifikatorer
URN: urn:nbn:se:kth:diva-23324DOI: 10.2514/1.9328ISI: 000220774700017Scopus ID: 2-s2.0-2342544108OAI: oai:DiVA.org:kth-23324DiVA: diva2:342022
Merknad
QC 20100525 QC 20111101Tilgjengelig fra: 2010-08-10 Laget: 2010-08-10 Sist oppdatert: 2017-12-12bibliografisk kontrollert

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