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Local model predictive controller in a solar desalination plant collector field

Author

Listed:
  • Ayala, Claudio O.
  • Roca, Lidia
  • Guzman, Jose Luis
  • Normey-Rico, Julio E.
  • Berenguel, Manolo
  • Yebra, Luis

Abstract

This paper proposes a new predictive control strategy for a distributed collector field of a solar desalination plant. The main purpose of the controller is to manipulate the water flow rate to maintain constant the outlet-inlet temperature gradient in the collectors in spite of disturbances. The controller is based on a filtered Smith predictor generalized predictive control algorithm and a simple procedure to update the linear model used in the predictor as well as the tuning parameters, in such a way that non-linear optimization is avoided. The controller copes with the process non-linearities, constraints, dead time and plant-model mismatch obtaining the desirable performance both, in the reference tracking and in the rejection of strong irradiance disturbances. Simulations and real experimental tests in AQUASOL desalination plant solar field are presented to show the advantages of the proposed controller.

Suggested Citation

  • Ayala, Claudio O. & Roca, Lidia & Guzman, Jose Luis & Normey-Rico, Julio E. & Berenguel, Manolo & Yebra, Luis, 2011. "Local model predictive controller in a solar desalination plant collector field," Renewable Energy, Elsevier, vol. 36(11), pages 3001-3012.
    • Handle: RePEc:eee:renene:v:36:y:2011:i:11:p:3001-3012
    DOI: 10.1016/j.renene.2011.03.037
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    Cited by:

    1. Tilahun, Fitsum Bekele & Bhandari, Ramchandra & Mamo, Mengesha, 2019. "Design optimization and control approach for a solar-augmented industrial heating," Energy, Elsevier, vol. 179(C), pages 186-198.
    2. Ali Chaibakhsh, 2013. "Modelling and long-term simulation of a heat recovery steam generator," Mathematical and Computer Modelling of Dynamical Systems, Taylor & Francis Journals, vol. 19(2), pages 91-114.
    3. Buzás, J. & Kicsiny, R., 2014. "Transfer functions of solar collectors for dynamical analysis and control design," Renewable Energy, Elsevier, vol. 68(C), pages 146-155.
    4. Kicsiny, Richárd, 2015. "Transfer functions of solar heating systems for dynamic analysis and control design," Renewable Energy, Elsevier, vol. 77(C), pages 64-78.
    5. Lidia Roca & Jorge A. Sánchez & Francisco Rodríguez & Javier Bonilla & Alberto De la Calle & Manuel Berenguel, 2016. "Predictive Control Applied to a Solar Desalination Plant Connected to a Greenhouse with Daily Variation of Irrigation Water Demand," Energies, MDPI, vol. 9(3), pages 1-17, March.
    6. Gil, Juan D. & Roca, Lidia & Zaragoza, Guillermo & Berenguel, Manuel, 2018. "A feedback control system with reference governor for a solar membrane distillation pilot facility," Renewable Energy, Elsevier, vol. 120(C), pages 536-549.

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