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Adaptive control of a solar power plant using a multi-model

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1 Author(s)
Pickhardt, R. ; Control Eng. Lab., Ruhr-Univ., Bochum, Germany

The paper shows the application of indirect adaptive control (LQG controller) to the distributed collector field of a solar power plant at the Plataforma Solar de Almeria (Spain). The region of operation is split up into five operating-points which are represented by five different dynamical linear third-order ARMAX-models to describe the plant characteristics. The actual operating-point of the plant is determined by a characteristic value combining several measurements. The algorithm contains an online identification procedure to determine and to update the respective model of the operating-point. If the operating conditions change slowly a soft transition between the different operating-points is carried out

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Control Theory and Applications, IEE Proceedings -  (Volume:147 ,  Issue: 5 )