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首页> 外文期刊>IEEE transactions on circuits and systems. II, Express briefs >A Normalized Output Error-Based Sliding-Mode Controller for the DC–DC Cascade Boost Converter
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A Normalized Output Error-Based Sliding-Mode Controller for the DC–DC Cascade Boost Converter

机译:用于DC-DC级联升压转换器的归一化输出误差的滑模控制器

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摘要

A normalized output error-based sliding-mode (SM) controller for the dc-dc cascade boost converter is proposed. In this controller, the reference inductor current trajectory used in the sliding surface is computed using the bounded normalized voltage error. As compared to the traditional hysteresis-based SM controller, the proposed controller provides more room for tuning the controller gains and thus significantly improves the transient responses in the presence of load, line, and reference voltage variations. The stability analysis of the proposed SM controlled system is provided. Also, a comparative study of the traditional and proposed SM controllers for the regulation of the cascade boost converter is presented. The experimental results show the superiority of the proposed controller in handling load, line, and reference voltage variations.
机译:提出了一种用于DC-DC级联升压转换器的归一化输出误差的滑模(SM)控制器。在该控制器中,使用界限的归一化电压误差计算滑动表面中使用的参考电感电流轨迹。与传统的基于滞后的SM控制器相比,所提出的控制器提供更多用于调谐控制器增益的空间,从而显着提高负载,线路和参考电压变化的瞬态响应。提供了所提出的SM控制系统的稳定性分析。此外,介绍了传统和建议SM控制器的对比研究,用于调节级联升压转换器。实验结果表明,在处理负载,线路和参考电压变化中提出的控制器的优越性。

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