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2011•IEEE Transactions on Power ElectronicsRequires access

Study on H_∞ Robust Control Method for Three-phase PWM Rectifier

YU Rui-wen

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Abstract

Based on the mathematical model of the three-phase PWM rectifier in d,q reference,an H∞ robust control method is presented.According to the H∞ robust control theory,state equations are established for the standard setup of the H∞ robust control problem with the state variables.The H∞ robust controller can be got by solving the positive definite solutions of Riccati inequality with the suitable weighting functions.And then,simulation and experimental results verify that the proposed control system is suitable and effect for the three-phase PWM rectifier.

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What this paper is about

Based on the mathematical model of the three-phase PWM rectifier in d,q reference,an H∞ robust control method is presented.According to the H∞ robust control theory,state equations are established for the standard setup of the H∞ robust control problem with the state variables.The H∞ robust controller can be got by solving the positive definite solutions of Riccati inequality with the suitable weighting functions.And then,simulation and experimental results verify that the proposed control system is suitable and effect for the three-phase PWM rectifier.

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Available abstract

Based on the mathematical model of the three-phase PWM rectifier in d,q reference,an H∞ robust control method is presented.According to the H∞ robust control theory,state equations are established for the standard setup of the H∞ robust control problem with the state variables.The H∞ robust controller can be got by solving the positive definite solutions of Riccati inequality with the suitable weighting functions.And then,simulation and experimental results verify that the proposed control system is suitable and effect for the three-phase PWM rectifier.

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

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