| 准谐振变换器的变结构控制 |
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| 引用本文： | 赵红茹,吴捷.准谐振变换器的变结构控制[J].电工技术学报,2004,19(1):21-25. |
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| 作者姓名： | 赵红茹 吴捷 |
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| 作者单位： | 华南理工大学电力学院,广州,510640;华南理工大学电力学院,广州,510640 |
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| 摘 要： | 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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| 关 键 词： | 零电流开关 准谐振变换器 大信号动态模型 变结构控制 鲁棒性 |
| 修稿时间： | 2002年10月15 |
On the Design of Sliding Mode Control Schemes for Quasi-Resonant Converter |
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| Zhao Hongru Wu Jie.On the Design of Sliding Mode Control Schemes for Quasi-Resonant Converter[J].Transactions of China Electrotechnical Society,2004,19(1):21-25. |
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| Authors: | Zhao Hongru Wu Jie |
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| Affiliation: | South China University of Technology Guangzhou 510640 China |
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| Abstract: | The operation principle for Boost zero-current-switching quasi-resonant converters is stated. First, high-order circuit equation is established and a large-signal dynamic modeling approach is proposed which is suitable for sliding mode control. Second, the appropriate sliding surface is selected and control law is obtained. Simulation results have shown its accuracy dynamic response and good robustness. |
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| Keywords: | Zero-current-switching quasi-resonant converters large-signal dynamic model sliding mode control robustness |
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