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Title: Bifurcation in parallel-connected buck converters under a democratic current sharing scheme
Authors: Iu, HHC
Tse, CKM 
Issue Date: 2001
Source: ISIE 2001 : 2001 IEEE International Symposium on Industrial Electronics proceedings : June 12-16, 2001, Pusan, Korea, p. 2118-2123
Abstract: This paper describes the bifurcation phenomena of a system of parallel-connected dc/dc converters. The results provide useful information for the design of stable current sharing in a democratic (central-limit control) configuration. Computer simulations are performed to capture the effects of variation of some chosen parameters on the qualitative behaviour of the system. It is found that variation of the voltage feedback gains leads to standard period-doubling bifurcation. A discrete-time map is derived and analysis is presented to establish the possibility of the bifurcation phenomena.
Keywords: Bifurcation (mathematics)
Computer simulation
Control system synthesis
Discrete time control systems
Electric current control
Publisher: IEEE
ISBN: 0-7803-7090-2
Rights: © 2001 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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