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Title: Nonlinear control of a wind turbine based on nonlinear estimation techniques for maximum power extraction
Authors: Saravanakumar, R.
Jena, D.
Issue Date: 2016
Citation: International Journal of Green Energy, 2016, Vol.13, 3, pp.309-319
Abstract: This work proposes nonlinear estimators with nonlinear controllers, for variable speed wind turbine (VSWT) considering that either the wind speed measurement is not available or not accurate. The main objective of this work is to maximize the energy capture from the wind and minimizes the transient load on the drive train. Controllers are designed to adjust the generated torque for maximum power output. Estimation of effective wind speed is required to achieve the above objectives. In this work the estimation of effective wind speed is done by using the Modified Newton Rapshon (MNR), Neural Network (NN) trained by different training algorithms and nonlinear time series based estimation. Initially the control strategies applied was the classical ATF (Aerodynamic torque feed forward) and ISC (Indirect speed control), however due their weak performance and unmodeled WT disturbances, nonlinear static and dynamic feedback linearization techniques with the above wind speed estimators are proposed. 2016 Taylor and Francis Group, LLC.
Appears in Collections:1. Journal Articles

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