基于共振参数微扰法的SEPIC变换器的混沌控制
Chaos control of SEPIC converter based on resonant parametric perturbation method
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摘要: 本文以SEPIC变换器中前置电感电流为控制对象,采用共振参数微扰法对电流模式控制SEPIC变换器中的混沌现象进行控制。该方法通过对电路参数的微小扰动实现了对SEPIC变换器中混沌现象的控制,并通过时域波形、功率谱及分岔图等对结果进行了分析。最后实验结果表明,以前置电感电流为控制对象,利用共振参数微扰法可以实现SEPIC变换器的混沌控制。Abstract: Choosing the current of the front inductor of SEPIC converter as controlled object, the resonant parametric perturbation is applied to control the chaos in SEPIC converter. Through the small perturbations of circuit parameter, chaos control of SEPIC converter is realized, and the results are analyzed by the time domain waveform, power spectrum, and bifurcation diagram. Finally, the results of the circuit experiment demonstrate that chaos control of SEPIC converter can be realized by the resonant parametric perturbation method.
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