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A nonlinear control scheme based on dynamic evolution path theory for improved dynamic performance of boost PFC converter working on nonlinear features

机译：基于动态演化路径理论的非线性控制方案，用于改善基于非线性特征的升压PFC转换器的动态性能

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摘要

This paper is concerned to performance improvement of boost PFC converter under large random load fluctuation, ensuring unity power factor (UPF) at source end and regulated voltage at load side. To obtain such performance, a nonlinear controller based on dynamic evolution path theory is designed and its robustness is examined under both heavy and light loading condition. In this paper, %THD and zero cross-over dead-zone of input current is significantly reduced. Also, very less response time of input current and output voltage to that of load and reference variation is remarked. A simulation model of proposed system is designed and it is realized using dSPACE 1104 signal processor for a 390V(Dc), 500 W prototype. The relevant experimental and simulation waveforms are presented. (C) 2016 ISA. Published by Elsevier Ltd. All rights reserved.
机译：本文关注的是在较大的随机负载波动下提高升压PFC转换器的性能，以确保源端的统一功率因数（UPF）和负载端的稳定电压。为了获得这样的性能，设计了一种基于动态演化路径理论的非线性控制器，并在重载和轻载条件下研究了其鲁棒性。在本文中，％THD和输入电流的零交叉死区显着减小。而且，记录了输入电流和输出电压对负载和参考电压变化的响应时间非常短。设计了该系统的仿真模型，并使用dSPACE 1104信号处理器针对390V（Dc），500 W原型进行了仿真。给出了相关的实验和仿真波形。 （C）2016 ISA。由Elsevier Ltd.出版。保留所有权利。

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