On the Mixed H2/H∞ Loop-Shaping Tradeoffs in Fractional-Order Control of the AVR System

被引：55

作者：

Das, Saptarshi ^{[1
]}

Pan, Indranil ^{[2
]}

机构：

[1] Univ Southampton, Sch Elect & Comp Sci, Commun Signal Proc & Control CSPC Grp, Southampton SO17 1BJ, Hants, England

[2] Univ London Imperial Coll Sci Technol & Med, Dept Earth Sci & Engn, Energy Environm Modelling & Minerals Res Sect E2M, London SW7 2AZ, England

来源：

IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS | 2014年 / 10卷 / 04期

关键词：

Automatic voltage regulator (AVR); fractional-order (FO) proportional-integral differential (PID) controller; frequency domain design tradeoffs; multiobjective optimization (MOO); (PID-MU)-D-LAMBDA CONTROLLER; PID CONTROLLERS; DESIGN;

D O I：

10.1109/TII.2014.2322812

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper looks at frequency domain design of a fractional-order (FO) proportional-integral differential (PID) controller for an automatic voltage regulator (AVR) system. Various performance criteria of the AVR system are formulated as system norms and are then coupled with an evolutionary multiobjective optimization (MOO) algorithm to yield Pareto optimal design tradeoffs. The performance measures consist of mixed H-2/H-infinity design objectives, such as the set-point tracking, load disturbance, and noise rejection controller effort, which are an exhaustive set of conflicting control objectives. A fuzzy logic-based mechanism is used to identify the best compromise solution on the Pareto fronts. The advantages and disadvantages of using an FOPID controller over the conventional PID controller, which are popular for industrial use, are enunciated from the presented simulations. The relevance and impact of FO controller design from the perspective of the dynamics of AVR control loop is also discussed.

引用

页码：1982 / 1991

页数：10

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