Study on bifurcation and stability of the closed-loop current-programmed boost converters |
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Authors: | Zhao Yi- Bo Zhang Dao-Yang and Zhang Chi-Jian |
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Institution: | Physics & Electronic Information College, Anhui Normal University, Wuhu 241000, China |
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Abstract: | In order to predict bifurcation point of the closed-loop
current-programmed boost converter and enable this converter to
operate at stable parameter space, this paper firstly establishes
stroboscopic maps for this converter in the continuous conduction
mode according to operating characteristics and topple of this
converter. Parameter space at the steady state and bifurcation types
are analysed together with stability theory of nonlinear equation. In
the solving course, the duty cycle is avoided because of inversive
solution, and accuracy is increased. Finally, correction is proved by
numerical calculation. |
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Keywords: | boost converter discrete map bifurcation |
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