Artículo
A Data-Driven Based Voltage Control Strategy for DC-DC Converters: Application to DC Microgrid
Autor/es | Rouzbehi, Kumars
Miranian, Arash Escaño González, Juan Manuel Rakhshani, Elyas Shariati, Negin Pouresmaeil, Edris |
Departamento | Universidad de Sevilla. Departamento de Ingeniería de Sistemas y Automática |
Fecha de publicación | 2019-05 |
Fecha de depósito | 2019-08-02 |
Publicado en |
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Resumen | This paper develops a data-driven strategy for identification and voltage control for DC-DC power converters. The proposed strategy does not require a pre-defined standard model of the power converters and only relies on ... This paper develops a data-driven strategy for identification and voltage control for DC-DC power converters. The proposed strategy does not require a pre-defined standard model of the power converters and only relies on power converter measurement data, including sampled output voltage and the duty ratio to identify a valid dynamic model for them over their operating regime. To derive the power converter model from the measurements, a local model network (LMN) is used, which is able to describe converter dynamics through some locally active linear sub-models, individually responsible for representing a particular operating regime of the power converters. Later, a local linear controller is established considering the identified LMN to generate the control signal (i.e., duty ratio) for the power converters. Simulation results for a stand-alone boost converter as well as a bidirectional converter in a test DC microgrid demonstrate merit and satisfactory performance of the proposed data-driven identification and control strategy. Moreover, comparisons to a conventional proportional-integral (PI) controllers demonstrate the merits of the proposed approach. |
Cita | Rouzbehi, K., Miranian, A., Escaño González, J.M., Rakhshani, E., Shariati, N. y Pouresmaeil, E. (2019). A Data-Driven Based Voltage Control Strategy for DC-DC Converters: Application to DC Microgrid. Electronics (Switzerland), 8 (5), Article nº 493. |
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