NDLI: IIR Phasor Banks: Causal, delay-free, numerically robust, customizable, uniform-DFT-like perfect reconstruction filter banks

Content Provider	IEEE Xplore Digital Library
Author	Argyropoulos, P.E. Lev-Ari, H. Stankovic, A.M.
Copyright Year	2013
Description	Author affiliation: Tufts Univ., Boston, MA, USA (Stankovic, A.M.) \|\| Dept. of Electr. & Comput. Eng., Northeastern Univ., Boston, MA, USA (Argyropoulos, P.E.; Lev-Ari, H.)
Abstract	We describe a method for generating causal, stable, numerically robust, IIR, customizable (application specific), perfect reconstruction (PR) filter-banks with zero (or adjustable) reconstruction delay. The ideas presented in this paper extend the concept of Dynamic Phasors as well as the concept of the so-called Phasor Bank Transform, which constitute specific subclasses of filter-banks. We provide an explicit compact characterization of the optimally-robust reconstruction stage of this transform, which can be used with any (customized) choice of its analysis stage. Since the Phasor Bank transform allows causal (real-time) delay-free perfect reconstruction of any input waveform, it is perfectly suited for (closed-loop) control applications. Although the motivating application area of Phasor Banks is Power Systems, such as tracking of time-variant harmonic content under both steady-state (nearly-periodic) and transient operating conditions, the technique presented here can be used in a variety of closed loop applications.
Starting Page	5613
Ending Page	5617
File Size	826900
Page Count	5
File Format	PDF
ISBN	9781479903566
ISSN	15206149
DOI	10.1109/ICASSP.2013.6638738
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-05-26
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Filter banks Finite impulse response filters IIR filters Robustness Power system dynamics Power harmonic filters Delays Dynamic Phasors Causal Perfect Reconstruction Filter-Bank Numerical Robustness Phasor-Banks Nyquist Filter
Content Type	Text
Resource Type	Article

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