Minimizing electromagnetic interference problems with chaos

Banerjee, Soumitro ; Baranovski, Alexander L. ; Rodriguez Marrero, Jose Luis ; Woywode, Oliver (2004) Minimizing electromagnetic interference problems with chaos IEICE - Transactions on Fundamentals of Electronics, Communications and Computer Sciences, E87-A (8). pp. 2100-2109. ISSN 0916-8508

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All power electronic circuits with state feedback controlled switching can be described as nonlinear time-varying dynamical systems. The occurrence of chaos-where the ripple waveforms become aperiodic-is common in such systems. It is shown here that this natural phenomenon may be effectively used in minimizing electromagnetic interference problems in power electronic circuits. This is because converters operating chaotically tend to spread the spectrum, thereby reducing the interference power at any target frequency. We also present the ways of calculating the average values of state variables and the power spectrum under chaotic operation.

Item Type:Article
Source:Copyright of this article belongs to Oxford University Press.
Keywords:EMI; dc-dc Converters; SMPS; Power Spectra; Chaos
ID Code:81349
Deposited On:06 Feb 2012 04:13
Last Modified:06 Feb 2012 04:13

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