A novel neural network-based algorithm for wind speed estimation and block-backstepping control of PMSG wind turbine systems for maximum power extraction

Fernando Jaramillo-Lopez 1 G. Kenne Françoise Lamnabhi-Lagarrigue 1
1 L2S - Laboratoire des signaux et systèmes
Abstract : In this paper, an adaptive control scheme for maximum power point tracking of stand-alone PMSG wind turbine systems (WTS) is presented. A novel procedure to estimate the wind speed is derived. To achieve this, a neural network identifier (NNI) is designed in order to approximate the mechanical torque of the WTS. With this information, the wind speed is calculated based on the optimal mechanical torque point. The NNI approximates in real-time the mechanical torque signal and it does not need off-line training to get its optimal parameter values. In this way, it can really approximates any mechanical torque value with good accuracy. In order to regulate the rotor speed to the optimal speed value, a block-backstepping controller is derived. Uniform asymptotic stability of the tracking error origin is proved using Lyapunov arguments. Numerical simulations and comparisons with a standard passivity based controller are made in order to show the good performance of the proposed adaptive scheme.
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Journal articles
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https://hal-centralesupelec.archives-ouvertes.fr/hal-01260098
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Submitted on : Thursday, January 21, 2016 - 3:03:27 PM
Last modification on : Thursday, November 15, 2018 - 2:22:02 PM

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L2S | SUP_LSS | CENTRALESUPELEC | SUP_SYSTEMES | TDS-MACS | UNIV-PARIS-SACLAY

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Fernando Jaramillo-Lopez, G. Kenne, Françoise Lamnabhi-Lagarrigue. A novel neural network-based algorithm for wind speed estimation and block-backstepping control of PMSG wind turbine systems for maximum power extraction. Renewable Energy, Elsevier, 2016, 86, pp.38-48. ⟨10.1016/j.renene.2015.07.071 ⟩. ⟨hal-01260098⟩

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