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Design and implementation of reduced-order sliding mode controller for higher-order power factor correction converters

机译:高阶功率因数校正转换器的降阶滑模控制器的设计与实现

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摘要

This study discusses a simple sliding surface design approach of a reduced-order sliding mode controller (ROSMC) for power factor correction, wherein a new and systematic technique for the selection of sliding surface co-efficients to implement ROSMC is attempted. Pade??s approximation technique is used to obtain the reduced-order model. A prototype of front-end AC?? DC converter followed by DC??DC Cuk converter controlled by ROSMC using a dSPACE signal processor is set up for 60 W. Experimental results are presented to validate the simulation results. Simulation and experimental results reveal that ROSMC control can achieve good output voltage regulation and also provide improved robustness in shaping the input current in the presence of load variations.
机译:这项研究讨论了一种用于功率因数校正的降阶滑模控制器(ROSMC)的简单滑动表面设计方法,其中尝试了一种选择滑动表面系数以实现ROSMC的新的系统技术。使用帕德的近似技术来获得降阶模型。前端AC的原型?设置DC转换器,然后使用dSPACE信号处理器由ROSMC控制的DC ?? DC Cuk转换器设置为60W。给出了实验结果以验证仿真结果。仿真和实验结果表明,ROSMC控制可以实现良好的输出电压调节,并且在存在负载变化的情况下,在整形输入电流时也具有更高的鲁棒性。

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