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首页> 外文期刊>International journal of power electronics >Analysis and design of IMC-PI controller with faster set point tracking and disturbance rejection for interleaved DC-DC SEPIC converter-based power factor correction
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Analysis and design of IMC-PI controller with faster set point tracking and disturbance rejection for interleaved DC-DC SEPIC converter-based power factor correction

机译:基于交错DC-DC SEPIC转换器功率因数校正的速度设定点跟踪和干扰抑制的IMC-PI控制器的分析与设计

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This paper deals with the internal model controller (IMC) - proportional integral (PI) controller for interleaved DC-DC single ended primary inductance converter (SEPIC)-based power factor correction (PFC). The transfer function of the proposed converter exhibits seventh order dynamics with complex right hand plane (RHP) poles and zeros. IMC-based PI controller is used to achieve perfect control since it contains the internal model of the process implicitly or explicitly. The cascade control strategy is implemented for the proposed converter with IMC-based PI controller as inner current and outer voltage controller. The dynamic and steady state performance parameters of the proposed scheme are evaluated using MATLAB/Simulink software. The simulation results reveal that the proposed scheme offers excellent stability characteristics, robustness, faster set point tracking and disturbance rejection for various uncertainties in the process as compared to conventional PI controller.
机译:本文涉及内部模型控制器(IMC) - 用于交错的DC-DC单端初级电感转换器(SEPIC)的功率因数校正(PFC)的内部模型控制器(IMC) - 比例积分(PI)控制器。所提出的转换器的传递函数呈现第七个订单动态,具有复杂的右手平面(RHP)杆和零。基于IMC的PI控制器用于实现完美的控制,因为它隐含地或明确地包含过程的内部模型。级联控制策略用于所提出的转换器,其具有基于IMC的PI控制器作为内部电流和外部电压控制器。使用Matlab / Simulink软件评估所提出方案的动态和稳态性能参数。仿真结果表明,与传统PI控制器相比,所提出的方案提供出色的稳定性特征,稳健性,更快的设定点跟踪和扰动抑制,在该过程中的各种不确定性。

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