Feedback control with Posicast
Hung, J.Y.
Electr. & Comput. Eng. Dept., Auburn Univ., AL, USA;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: Feb 2003
Volume: 50,
Issue: 1
On page(s): 94- 99
ISSN: 0278-0046
INSPEC Accession Number: 7517981
Digital Object Identifier: 10.1109/TIE.2002.804979
Current Version Published: 2003-01-29
Abstract
An alternative way to use Posicast to damp oscillations in lightly damped control systems is proposed in this paper. Specifically, it is suggested that the Posicast technique be used within a feedback system, instead of the classical feedforward configuration. There are many types of Posicast, but discussion and analysis are focused here on the classical "half-cycle" Posicast form. Theoretical analysis and a design example are used to compare classical Posicast and the proposed feedback control method. An experimental result from a power converter application is also presented.
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