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Tuning of a digital proportional-integral compensator for DC-DC power converter

机译:用于DC-DC电源转换器的数字比例积分补偿器的调整

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This paper presents a scheme to manually tune a digital Proportional-Integral (PI) controller (TunePI scheme) to achieve optimized dynamic performance of a DC-DC power converter. Based on a previously proposed compensated-error-signal-based auto-tuning of compensator gain to achieve optimized gain for a given set of other compensator parameters, i.e. zero(s) and pole(s), the paper presents a new scheme that will tune the complete set of a PI compensator parameters to result in a design with an optimum set of parameters for improved dynamic performance. This paper focuses on discussing the TunePI scheme and presenting theoretical and experimental results that employ the TunePI scheme to manually tune a digital PI compensator. This will be used as the base for a future work to develop a controller that is able to auto-tune the PI compensator during the power converter operation (online auto-tuning).
机译:本文提出了一种手动调整数字比例积分(PI)控制器的方案(TunePI方案),以实现DC-DC电源转换器的优化动态性能。基于先前提出的基于补偿误差信号的补偿器增益自动调整,以针对给定的其他补偿器参数集(即零和极点)实现最佳增益,本文提出了一种新方案调整完整的PI补偿器参数集,以设计出具有最佳参数集的设计,以改善动态性能。本文着重讨论TunePI方案,并介绍采用TunePI方案手动调谐数字PI补偿器的理论和实验结果。这将用作将来开发控制器的基础,该控制器能够在功率转换器运行期间自动调整PI补偿器(在线自动调整)。

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