1995•Journal of the Audio Engineering SocietyRequires access

Feedback linearization of nonlinear distortion in electrodynamic loudspeakers

Johan A. K. Suykens, Joos Vandewalle, Johan van Ginderdeuren

Abstract

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.

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Available abstract

Key concepts: Loudspeaker, Nonlinear system, Linearization, Distortion (music), Control theory (sociology), Nonlinear distortion, Parametric statistics, Feedback linearization