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Title: A study of synchronization in chaotic autonomous Ćuk dc/dc converters
Authors: Iu, HHC
Tse, CKM 
Issue Date: Jun-2000
Source: IEEE transactions on circuits and systems. I, Fundamental theory and applications, June 2000, v. 47, no. 6, p. 913-918
Abstract: The synchronization property of chaotic free-running dc/dc converters is studied in this paper. The system under study consists of two Ćuk converters operating under free-running current-mode control, with two converters connected in the well-known drive-response configuration similar to that studied by Pecora and Carroll. This paper studies, in particular, the synchronization property of the system when a capacitor voltage is chosen as the driving signal. The study includes the derivation of the describing differential equations and the calculation of the conditional Lyapunov exponents (CLE's) of the synchronizing system based on the differential equations. It is found that all the CLE's are negative for certain chosen parameters and, hence, synchronization is possible in this system. Exact computer simulations have been performed to verify the synchronization of the aforedescribed circuits operating in chaotic regime.With the drive-response system connected, synchronization is demonstrated using both exact time-domain simulations and PSPICE simulations. This paper reports for the first time the synchronization phenomenon in power electronic converters.
Keywords: Chaos synchronization
Coupled chaotic circuits
Power electronics
Switching converters
Publisher: Institute of Electrical and Electronics Engineers
Journal: IEEE transactions on circuits and systems. I, Fundamental theory and applications 
ISSN: 1057-7122
DOI: 10.1109/81.852945
Rights: © 2000 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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