Artículo
Hybrid Nonlinear MPC of a Solar Cooling Plant
Autor/es | Camacho, Eduardo F.
Gallego Len, Antonio Javier Escaño González, Juan Manuel Sánchez, Adolfo J. |
Departamento | Universidad de Sevilla. Departamento de Ingeniería de Sistemas y Automática |
Fecha de publicación | 2019-07 |
Fecha de depósito | 2019-10-02 |
Publicado en |
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Resumen | Solar energy for cooling systems has been widely used to fulfill the growing air conditioning
demand. The advantage of this approach is based on the fact that the need of air conditioning is
usually well correlated to ... Solar energy for cooling systems has been widely used to fulfill the growing air conditioning demand. The advantage of this approach is based on the fact that the need of air conditioning is usually well correlated to solar radiation. These kinds of plants can work in different operation modes resulting on a hybrid system. The control approaches designed for this kind of plant have usually a twofold goal: (a) regulating the outlet temperature of the solar collector field and (b) choosing the operation mode. Since the operation mode is defined by a set of valve positions (discrete variables), the overall control problem is a nonlinear optimization problem which involves discrete and continuous variables. This problems are difficult to solve within the normal sampling times for control purposes (around 20–30 s). In this paper, a two layer control strategy is proposed. The first layer is a nonlinear model predictive controller for regulating the outlet temperature of the solar field. The second layer is a fuzzy algorithm which selects the adequate operation mode for the plant taken into account the operation conditions. The control strategy is tested on a model of the plant showing a proper performance. |
Identificador del proyecto | OCONTSOLAR ID 789051 |
Cita | Fernández Camacho, E., Gallego Len, A.J., Escaño González, J.M. y Sánchez, A.J. (2019). Hybrid Nonlinear MPC of a Solar Cooling Plant. Energies, 12 (14). Article number 2723. |
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