Resolution of an Averaging Paradox in the Analysis of Switched-Mode DC-DC Converters

Sam Ben-Yaakov; Dov Wulich

doi:10.1109/7.272287

Resolution of an Averaging Paradox in the Analysis of Switched-Mode DC-DC Converters

Sam Ben-Yaakov, Dov Wulich

Department of Electrical & Computer Engineering

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

The validity of an intuitive averaging method for estimating the low-frequency signals in switch-mode systems is rigorously examined. It is shown that the approach may lead to erroneous results because it violates the Nyquist Sampling Theorem, and that the resulting aliasing effects may interfere with the estimate of the low-frequency component of the signal. A procedure is proposed to estimate the expected error.

Original language	English
Pages (from-to)	626-632
Number of pages	7
Journal	IEEE Transactions on Aerospace and Electronic Systems
Volume	30
Issue number	2
DOIs	https://doi.org/10.1109/7.272287
State	Published - 1 Jan 1994

ASJC Scopus subject areas

Aerospace Engineering
Electrical and Electronic Engineering

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10.1109/7.272287

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title = "Resolution of an Averaging Paradox in the Analysis of Switched-Mode DC-DC Converters",

abstract = "The validity of an intuitive averaging method for estimating the low-frequency signals in switch-mode systems is rigorously examined. It is shown that the approach may lead to erroneous results because it violates the Nyquist Sampling Theorem, and that the resulting aliasing effects may interfere with the estimate of the low-frequency component of the signal. A procedure is proposed to estimate the expected error.",

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AB - The validity of an intuitive averaging method for estimating the low-frequency signals in switch-mode systems is rigorously examined. It is shown that the approach may lead to erroneous results because it violates the Nyquist Sampling Theorem, and that the resulting aliasing effects may interfere with the estimate of the low-frequency component of the signal. A procedure is proposed to estimate the expected error.

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Resolution of an Averaging Paradox in the Analysis of Switched-Mode DC-DC Converters

Abstract

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