淡江大學機構典藏:Item 987654321/119821
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    题名: LMI-based robust voltage tracking control for a class of renewable energy systems
    作者: Liu, Peter;Yang, Chang-En
    关键词: Voltage tracking;linear state-dependent parameter model;linear matrix inequalitiesre;newable energy systems
    日期: 2019-02-06
    上传时间: 2021-01-05 12:10:12 (UTC+8)
    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.
    關聯: Journal of the Chinese Institute of Engineers 42(2), p.107-118
    DOI: 10.1080/02533839.2018.1552840
    显示于类别:[電機工程學系暨研究所] 期刊論文

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