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2011•IEEE Transactions on Power ElectronicsRequires access

Design of H.INF. Robust Controller for Three-phase PWM Rectifier

Hui Zhang, Guojun Tan, Xiao Zhang, YU Rui-wen

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Abstract

Double closed PI PWM rectifier is widely used in traditional design.An H∞ robust control method is present-ed for the inner current loop of three-phase PWM rectifier.Based on the mathematical model in synchronous of the PWM rectifier,state equations are established with suitable state variables for the standard setup of the H∞ robust control problem.After selecting suitable weighted coefficient,the Riccati inequality is solved to derive the H∞ robust controller.Simulation and experimental results demonstrate that the designed H∞ robust control system is suitable and effort for the PWM rectifier.

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What this paper is about

Double closed PI PWM rectifier is widely used in traditional design.An H∞ robust control method is present-ed for the inner current loop of three-phase PWM rectifier.Based on the mathematical model in synchronous of the PWM rectifier,state equations are established with suitable state variables for the standard setup of the H∞ robust control problem.After selecting suitable weighted coefficient,the Riccati inequality is solved to derive the H∞ robust controller.Simulation and experimental results demonstrate that the designed H∞ robust control system is suitable and effort for the PWM rectifier.

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Available abstract

Double closed PI PWM rectifier is widely used in traditional design.An H∞ robust control method is present-ed for the inner current loop of three-phase PWM rectifier.Based on the mathematical model in synchronous of the PWM rectifier,state equations are established with suitable state variables for the standard setup of the H∞ robust control problem.After selecting suitable weighted coefficient,the Riccati inequality is solved to derive the H∞ robust controller.Simulation and experimental results demonstrate that the designed H∞ robust control system is suitable and effort for the PWM rectifier.

Key concepts: PWM rectifier, Control theory (sociology), Pulse-width modulation, Precision rectifier, Rectifier (neural networks), Robust control, Controller (irrigation), Three-phase

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