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Published July 1994 | public
Journal Article Open

Switching Flow-Graph nonlinear modeling technique


A unified graphical modeling technique, "Switching Flow-Graph" is developed to study the nonlinear dynamic behavior of pulse-width-modulated (PWM) switching converters. Switching converters are variable structure systems with linear subsystems. Each subsystem can be represented by a flow-graph. The Switching Flow-Graph is obtained by combining the flowgraphs of the subsystems through the use of switching branches. The Switching Flow-Graph model is easy to derive, and it provides a visual representation of a switching converter system. Experiments demonstrate that the Switching Flow-Graph model has very good accuracy.

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© Copyright 1994 IEEE. Reprinted with permission. Manuscript received March 17, 1993; revised April 18, 1994.


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August 22, 2023
August 22, 2023