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一种加权式并联型重复控制的研究

, PP. 127-134

Keywords: 并联型,重复控制,陷波器,车载逆变器,动态性能

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Abstract:

重复控制(RepetitiveControl,RC)技术在逆变器中广泛应用,传统的并联型重复控制(Parallel-typeRepetitiveControl,PRC)技术通过并联PI环节来提高系统的动态性能。改进并联型重复控制(ImprovedParallel-typeRepetitiveControl,IPRC)技术在PRC的基础上使系统的跟踪性能和抗干扰性能同时达到最优化。本文提出了一种加权式并联型重复控制(WeightedParallel-typeRepetitiveControl,WPRC)技术,该技术相比于IPRC,在满足系统稳态性能的前提下,显著提高了系统在负载切换时的动态性能。首先给出了一种基于特定频率陷波器的重复控制器的设计,然后理论分析对比了WPRC和IPRC的动态性能并给出了参数设计,最后制作了一台120W车载逆变器样机,验证了WPRC相比于IPRC所具有的优秀的动态性能。

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