Interaction Metrics for Feedback Control of Sound Radiation from Stiffened Panels | Zendy

Randolph H. Cabell | Zendy; D. E. Cox | Zendy; Gary P. Gibbs | Zendy

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Interaction Metrics for Feedback Control of Sound Radiation from Stiffened Panels

Author(s) -

Randolph H. Cabell,

D. E. Cox,

Gary P. Gibbs

Publication year - 2003

Publication title -

54th aiaa/asme/asce/ahs/asc structures, structural dynamics, and materials conference

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.2003-1812

Subject(s) - feedback control , computer science , control (management) , sound (geography) , acoustics , engineering , control engineering , physics , artificial intelligence

Interaction metrics developed for the process control industry are used to evaluate decentralized control of sound radiation from bays on an aircraft fuselage. The metrics are applied to experimentally measured frequency response data from a model of an aircraft fuselage. The purpose is to understand how coupling between multiple bays of the fuselage can destabilize or limit the performance of a decentralized active noise control system. The metrics quantitatively verify observations from a previous experiment, in which decentralized controllers performed worse than centralized controllers. The metrics do not appear to be useful for explaining control spillover which was observed in a previous experiment.

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