LMI-based robust voltage tracking control for a class of renewable energy systems
學年 107
學期 2
出版（發表）日期 2019-02-06
作品名稱 LMI-based robust voltage tracking control for a class of renewable energy systems
作品名稱（其他語言）
著者 Peter Liu; Chang-En Yang
單位
出版者
著錄名稱、卷期、頁數 Journal of the Chinese Institute of Engineers 42(2), p.107-118
摘要 This paper introduces a method of robust voltage tracking control for a class of renewable energy systems, which uses a linear matrix inequality (LMI)-based approach. A remodeling method is introduced where the nonlinear model of the renewable energy system is represented as a nonlinear combination of linear subsystems with state-dependent parameters (the so-called linear state-dependent parameter system model, LSDPM). Next, the remodeling method is applied to a boost converter, a photovoltaic (PV) system, and a wind energy conversion system as examples. A robust output voltage tracking approach is proposed based on the LSDPM. Using Lyapunov’s direct method, controller stability analyses are expressed as LMI formulations. Powerful numerical toolboxes then solve for the controller gains. The advantages of this approach include: i) the generalized remodeling technique is applicable to a wide variety of renewable energy systems; ii) it creates a unified LMI-based design framework for multiple control objectives; iii) it provides numerically solved control gains; and iv) it provides robust tracking control for the multiple objectives of renewable energy systems. Using an LMI-based robust voltage tracking controller is an accurate and effective method of control for many types of renewable energy systems. Finally, practical DSP-based experiments are carried out using the buck converter as an example. The satisfactory results of these experiments verify the theoretical derivations for this control method.
關鍵字 Voltage tracking;linear state-dependent parameter model;linear matrix inequalitiesre;newable energy systems
語言 en
ISSN 0253-3839
期刊性質 國外
收錄於
產學合作
通訊作者
審稿制度 否
國別 GBR
公開徵稿
出版型式 ,電子版,紙本
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