Design of a state-feedback controller and optimal observer for a wind turbine system including a matrix converter

Barakati, S.M.,Aplevich, J.D.,Kazerani, M.

Calgary, AB（2008）

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摘要

This paper focuses on designing a closed-loop state feedback controller for a grid-connected wind turbine system including a matrix converter. The system the open-loop system is stable; therefore, the closed-loop controller design objective is to track a class of desired references. The state-feedback controller is designed based on the linear quadratic (LQ) method. A genetic algorithm is used to determine the weighting matrices of the LQ method to locate the closed-loop eigenvalues as close as to the desired values. An observer estimates the states by measuring the system output and input. Simulations show that the system outputs follow the references with zero steady-state errors.

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关键词

closed loop systems,control system synthesis,eigenvalues and eigenfunctions,genetic algorithms,linear quadratic control,matrix algebra,matrix convertors,observers,power generation control,power system state estimation,state feedback,wind turbines,closed-loop eigenvalues,closed-loop state-feedback controller design,genetic algorithm,grid-connected wind turbine system,linear quadratic method,matrix converter,optimal observer,steady-state errors,weighting matrices,lq method,matrix converterstate-feedback controller,wind turbine,reactive power,aerodynamics,eigenvalues,steady state,mathematical model

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