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An envelope following method (EFM) that allows efficient transient simulations of electrical circuits is here presented. Its mathematical and electrical bases are considered and the influence of some general properties, such as stability and truncation error of integration methods employed by EFM, are studied. Furthermore, we present a new state variable prediction algorithm that improves previously reported ones, since it better adapts to fast dynamics of the solution. A set of power switching circuits is employed as a benchmark and numerical results of our algorithm are compared to those of conventional integration and of previous EFM versions. Remarkable results are obtained in the electrothermal simulation of power converters where the efficiency gain rises up to some magnitude orders with respect to conventional integration
Published in:
Circuits and Systems I: Fundamental Theory and Applications, IEEE Transactions on
(Volume:47
,
Issue:
7
)
Date of Publication: Jul 2000
- Page(s):
- 999 - 1008
- ISSN :
- 1057-7122
- INSPEC Accession Number:
- 6676024
- Digital Object Identifier :
- 10.1109/81.855455
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Jul 2000
- Sponsored by :
- IEEE Circuits and Systems Society
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