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The Synthesis of an Active Flutter Suppression Law Based on an Energy Criterion

Published online by Cambridge University Press:  07 June 2016

A.F. Klein
A.F. Klein*
Affiliation:
Department of Aeronautical Engineering, University of Bristol
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Summary

Theory and results are presented which show that it is questionable to base a flutter suppression law, synthesised in terms of an energy dissipation criterion, entirely on aerodynamic data. It is shown that aileron mass balance and aileron/jack impedance can adversely affect regions of stability which have been predicted using aerodynamic terms alone. Comments are also made which attempt to unify various cost functions which are used when either an energy dissipation or an energy dissipation and storage criterion is used in the formulation of flutter suppression laws.

Information

Type
Research Article
Information
Aeronautical Quarterly , Volume 34 , Issue 4 , November 1983 , pp. 260 - 281
Copyright
Copyright © Royal Aeronautical Society. 1983

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References

1 Nissim, E. Flutter suppression using active controls based on the concept of aerodynamic energy. N.A.S.A., TN D-6199, March 1971 Google Scholar
2 Nissira, E. Recent advances in aerodynamic energy concept for flutter suppression and gust alleviation using active controls. N.A.S.A., TN D-8519, September 1977 Google Scholar
3 Jones, J.G. Dual formulation and proposed extension of Nissim’s aerodynamic energy method on basis of network theory. R.A.E., Tech. Memo FS110, March 1977 Google Scholar