A Robust Adaptive Fuzzy Fast Terminal Synergetic Voltage Control Scheme for DC/DC Buck Converter

B. Babes, A. Boutaghane, N. Hamouda, Mohamed Mezaache, S. Kahla
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引用次数: 13

Abstract

In this paper, an adaptive fuzzy fast terminal synergetic voltage control scheme for DC/DC buck converter is proposed based on recently developed synergetic theory and a terminal attractor method. The advantages of presented synergetic control include the characteristics of finite time convergence, insensitive to parameters variation and chattering free phenomena. Rendering the design more robust, fuzzy logic systems are used to approximate the unknown parameters in the proposed controller without calling upon usual model linearization and simplifications. Taking the DC/DC buck converter in continuous conduction mode as an example, the algorithm of proposed synergetic control is analyzed in detail. All the simulation results demonstrate the effectiveness and the high dynamic capability of the proposed AF-FTSC control technique over the FTSC strategy.
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一种DC/DC降压变换器鲁棒自适应模糊快速终端协同电压控制方案
本文基于最近发展的协同理论和终端吸引子方法,提出了一种自适应模糊快速DC/DC降压变换器终端协同电压控制方案。所提出的协同控制具有有限时间收敛、对参数变化不敏感、无抖振等特点。模糊逻辑系统用于逼近控制器中的未知参数,而不需要通常的模型线性化和简化,从而使设计更具鲁棒性。以连续导通模式下的DC/DC降压变换器为例,详细分析了所提出的协同控制算法。仿真结果证明了AF-FTSC控制技术相对于FTSC策略的有效性和高动态性能。
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