Control of hybrid wind power generation system with dump load using advanced fuzzy-robust controller

TitleControl of hybrid wind power generation system with dump load using advanced fuzzy-robust controller
Publication TypeConference Paper
Year of Publication2007
AuthorsKo, H. - S., G. - G. Yoon, W. - P. Hong, and J. Jatskevich
Conference NameElectrical Machines and Systems, 2007. ICEMS. International Conference on
Pagination219 -226
Date Publishedoct.
Keywordsadvanced fuzzy-robust controller, dump load, fixed wind-turbine, fuzzy control, hybrid wind power generation system control, nonlinear control systems, nonlinear system, power generation control, robust control, sliding mode nonlinear control design, Takagi-Sugeno fuzzy model, time-varying system, time-varying systems, variable structure systems, wind power plants, wind turbines
Abstract

This paper proposes a modeling and controller design approach for a hybrid wind power generation system that considers a fixed wind-turbine and a dump load. Since operating conditions are kept changing, it is challenge to design a control for reliable operation of the overall system. To consider variable operating conditions, Takagi-Sugeno (TS) fuzzy model is taken into account to represent time-varying system by expressing the local dynamics of a nonlinear system through sub-systems, partitioned by linguistic rules. Also, each fuzzy model has uncertainty. Thus, in this paper, a modern nonlinear control design technique, the sliding mode nonlinear control design, is utilized for robust control mechanism. In the simulation study, the proposed controller is compared with a proportional-integral (PI) controller. Simulation results show that the proposed controller is more effective against disturbances caused by wind speed and load variation than the PI controller, and thus it contributes to a better quality wind-hybrid power generation system.

URLhttp://dx.doi.org/10.1109/ICEMS.2007.4412230
DOI10.1109/ICEMS.2007.4412230

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