A stable RLC parameterization of the direct structure for adaptive IIR filters

Author

Netto, S.L. ; de Campos, M. ; Antoniou, A. ; Agathoklis, P.

Author_Institution

Dept. of Electr. & Comput. Eng., Victoria Univ., BC, Canada

Volume

1

fYear

1995

fDate

13-16 Aug 1995

Firstpage

269

Abstract

A stable parameterization of the direct-form structure with simple stability monitoring is introduced for adaptive IIR filtering. The proposed structure is obtained directly from passive RLC realizations. The stability of the resulting adaptive IIR filter is guaranteed by ensuring positive values for the equivalent passive RLC elements. Special attention is given to doubly terminated RLC networks to achieve optimal sensitivity properties of the overall transfer function with respect to parameter variations. Examples are included to demonstrate the application of the proposed technique

Keywords

IIR filters; adaptive filters; circuit stability; digital filters; equivalent circuits; sensitivity analysis; transfer functions; RLC parameterization; adaptive IIR filters; direct-form structure; doubly terminated RLC networks; equivalent passive RLC elements; optimal sensitivity properties; overall transfer function; parameter variations; stability monitoring; Adaptive filters; Circuit stability; Computerized monitoring; Condition monitoring; Filtering; Finite impulse response filter; IIR filters; Passive circuits; Passive networks; Stability; Transfer functions;

fLanguage

English

Publisher

ieee

Conference_Titel

Circuits and Systems, 1995., Proceedings., Proceedings of the 38th Midwest Symposium on

Conference_Location

Rio de Janeiro

Print_ISBN

0-7803-2972-4

Type

conf

DOI

10.1109/MWSCAS.1995.504429

Filename

504429