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@ARTICLE{,
    author = {Rodr{\'{\i}}guez-Miranda, Enrique and Beschi, Manuel and Guzm{\'{a}}n, Jose Luis and Berenguel Soria, Manuel and Visioli, Antonio},
     title = {Daytime/Nighttime Event- Based PI Control for the pH of a Microalgae Raceway Reactor},
   journal = {Processes},
    volume = {7(5)},
    number = {247},
      year = {2019},
       doi = {10.3390/pr7050247},
  abstract = {In this paper, a new solution to improve the traditional control operation of raceway microalgae reactors is presented. The control strategy is based on an event-based method that can be easily coupled to a classical time-driven proportional-integral controller, simplifying the design process approach. The results of a standard Proportional-Integral (PI) controller, as well as of two event-based architectures, are presented in simulation and compared with each other and with traditional On/Off control. It is demonstrated that the event-based PI controller—operating during the whole day instead of only during daytime—achieves a better performance by reducing the actuator effort and saving costs related to gas consumption.}
}