Nonlinear Theory and Its Applications, IEICE
Online ISSN : 2185-4106
ISSN-L : 2185-4106
Special Section on Recent Progress in Nonlinear Theory and Its Applications
Symmetry recovery from the viewpoint of power and frequency by extended delay feedback control
Manuel SánchezTakashi Hikihara
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2019 Volume 10 Issue 2 Pages 131-139

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Abstract

An application of nonlinear control to enhance the operation of dynamical systems is found in the literature. In particular, recent research achieved harmonics reduction by driving a single-phase AC/AC converter to a chaotic regime. However, the periodic symmetry of the output voltage is broken during this process. This paper proposes two single-phase AC/AC converters with a symmetry-recovery feature that allows the converters to work either in a chaotic or stable regime. The proposed method, which is based on the extended delay feedback control, found a direct impact to recover the symmetry on the distribution of the power density through the time-delayed input.

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© 2019 The Institute of Electronics, Information and Communication Engineers
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