准谐振变换器的变结构控制
Diangong Jishu Xuebao/Transactions of China Electrotechnical Society（2004）
Abstract
以Boost零电流开关准谐振变换器(ZCS-QRCs)为例,首先根据其工作原理建立了高阶动态电路方程,并推导出适合于变结构控制的大信号电路模型;其次根据变结构控制的具体思路选取切换面函数并求取控制率.仿真结果表明该控制方法的有效性,系统具有良好的动态性能和鲁棒性.
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Key words
Large-signal dynamic model,Quasi-resonant converters,Robustness,Sliding mode control,Zero-current-switching
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