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Dynamics and Operation-State Estimation of Current-Mode Controlled Flyback Converter 被引量：2

Dynamics and Operation-State Estimation of Current-Mode Controlled Flyback Converter
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摘要 By utilizing total magnetic flux φ of the primary and secondary windings of the flyback transformer as a state variable, the discrete-time model of current-mode controlled flyback converter is established, upon which the bifurcation behaviors of the converter are analyzed and two boundary classification equations of the orbit state shifting are obtained. The operation state regions of the current-mode controlled flyback converter are well classified by two boundary classification equations. The theoretical analysis results are verified by power electronics simulator （PSIM）. The estimation of operation-state regions for the flyback converter is useful for the design of circuit parameters, stability control of chaos, and chaos-based applications. By utilizing total magnetic flux φ of the primary and secondary windings of the flyback transformer as a state variable, the discrete-time model of current-mode controlled flyback converter is established, upon which the bifurcation behaviors of the converter are analyzed and two boundary classification equations of the orbit state shifting are obtained. The operation state regions of the current-mode controlled flyback converter are well classified by two boundary classification equations. The theoretical analysis results are verified by power electronics simulator （PSIM）. The estimation of operation-state regions for the flyback converter is useful for the design of circuit parameters, stability control of chaos, and chaos-based applications.
作者 Guo-Dong Shi Qiu-Juan Cao Bo-Cheng Bao Zheng-Hua Ma
机构地区 the School of Information Science and Engineering
出处 《Journal of Electronic Science and Technology》 CAS 2013年第3期306-311,共6页 电子科技学刊（英文版）
基金 supported by the National Natural Science Foundation of China under Grant No.51277017 the Natural Science Foundation of Changzhou,Jiangsu Province,China under Grant No.CJ20120004
关键词 Index Terms Bifurcation CHAOS discrete-timemodel flyback converter. Index Terms Bifurcation, chaos, discrete-timemodel, flyback converter.
分类号 TM46 [电气工程—电器]
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参考文献15

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Journal of Electronic Science and Technology
2013年 第3期

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