Feedback Linearization of Nonlinear Distortion in Electrodynamic Loudspeakers

It is shown theoretically that Kaizer's low-frequency model for nonlinear distortion in electrodynamic loudspeakers is feedback linearizable in current drive as well as in voltage drive. This means that there exists some nonlinear feedback mechanism such that the given system can be transformed...

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Veröffentlicht in:	Journal of the Audio Engineering Society 1995-09, Vol.43 (9), p.690-694
Hauptverfasser:	Suykens, Johan, Vandewalle, Joos, van Ginderdeuren, Johan
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustics Exact sciences and technology Fundamental areas of phenomenology (including applications) Physics Transduction acoustical devices for the generation and reproduction of sound
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Beschreibung
Zusammenfassung:	It is shown theoretically that Kaizer's low-frequency model for nonlinear distortion in electrodynamic loudspeakers is feedback linearizable in current drive as well as in voltage drive. This means that there exists some nonlinear feedback mechanism such that the given system can be transformed into an exact linear system, provided one has full state information and there would be no parametric uncertainty or noise on the nonlinear loudspeaker dynamics.
ISSN:	1549-4950 0004-7554