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- W4285446275 abstract "Modern wind turbine control algorithms typically utilize rotor effective wind speed measured from an anemometer on the turbine’s nacelle. Unfortunately, the measured wind speed from such a single measurement point does not give a good representation of the effective wind speed over the blades, as it does not take the varying wind condition within the entire rotor area into account. As such, Blade Effective Wind Speed (BEWS) estimation can be seen as a more accurate alternative. This paper introduces a novel Subspace Predictive Repetitive Estimator (SPRE) approach to estimate the BEWS using blade load measurements. In detail, the azimuth-dependent cone coefficient is firstly formulated to describe the mapping between the out-of-plane blade root bending moment and the wind speed over blades. Then, the SPRE scheme, which is inspired by Subspace Predictive Repetitive Control (SPRC), is proposed to estimate the BEWS. Case studies exhibit the proposed method’s effectiveness at predicting BEWS and identifying wind shear in varying wind speed conditions. Moreover, this novel technique enables complicated wind inflow conditions, where a rotor is impinged and overlapped by wake shed from an upstream turbine, to be estimated." @default.
- W4285446275 created "2022-07-15" @default.
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- W4285446275 date "2021-06-29" @default.
- W4285446275 modified "2023-09-27" @default.
- W4285446275 title "Blade Effective Wind Speed Estimation: A Subspace Predictive Repetitive Estimator Approach" @default.
- W4285446275 doi "https://doi.org/10.23919/ecc54610.2021.9654981" @default.
- W4285446275 hasPublicationYear "2021" @default.
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