Chaos Control for the Voltage-Controlled Buck Converter
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摘要: 在某些电路参数条件下,电压控制型Buck变换器会出现混沌,其工作性能恶化。为了有效控制该变换器中的混沌,该文结合状态反馈和参数扰动提出了一种混合控制策略,该策略不依赖变换器的内部电路参数,仅通过调整一个外部可调参数,可将该变换器的混沌状态控制在周期1、2、4、8轨道。通过分析外部可调参数变化时输出电压的分岔图、周期状态的相图、周期状态的电感电流波形、周期状态的输出电压波形和周期状态的开关逻辑图,验证了该混合控制策略的有效性。
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关键词:
- 混沌控制 /
- 混合控制策略 /
- 周期轨道 /
- 电压控制型Buck变换器
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