Fractional order control for a bidirectional converter operating in a DC

Resumen

This paper presents the control design of a bidirectional converter used to support a DC microgrid. The chosen topology for this purpose is the bidirectional buck-boost converter, for which its mathematical model is obtained. Next, a brief introduction of fractional order control is presented and the structure of a fractional order PID controller is shown. The tuning process of this controller is obtained by means of an arithmetic method whose parameters are set to control the bidirectional converter. In order to evaluate the performance of the converter and its fractional-order controller, this is simulated under different situations that represent different operating conditions, such as changes in battery voltage levels, climatic conditions, and uncertainty in the parameters. The simulation results of this controller are analyzed and compared with a classical PID. Finally, the conclusions are presented.

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Biografía del autor/a

César Trujillo-Rodríguez, Universidad Distrital Francisco José de Caldas
Ing. Electrónico, M.SC en Ingeniería Eléctrica, Ph.D. en Ingeniería Electrónica. Profesor Titular, Investigador Grupo LIFAE, Facultad de Ingeniería, Universidad Distrital Francisco José de Caldas, Bogotá-Colombia.
Johan Sánchez-Choachí, Universidad Distrital Francisco José de Caldas
Ing. Electrónico, Grupo LIFAE, Facultad de Ingeniería, Universidad Distrital Francisco José de Caldas, Bogotá-Colombia.
Giovanni Baquero-Rozo, Universidad Nacional de Colombia
Ing. Electrónico, M.SC en Ingeniería Eléctrica. Profesor Asistente, Investigador Grupo EM&D, Facultad de Ingeniería, Universidad Nacional de Colombia, Bogotá-Colombia.

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Publicado
2019-12-26
Cómo citar
Trujillo-Rodríguez, C., Sánchez-Choachí, J., & Baquero-Rozo, G. (2019). Fractional order control for a bidirectional converter operating in a DC. Informador Técnico, 84(1), 67-77. https://doi.org/10.23850/22565035.2387
Sección
Artículo de Investigación