®®®® SIIA Público

Título del libro:
Título del capítulo: A Novel Hamiltonian Approach for Modeling and Control of Quasi-Resonant Buck Converters*

Autores UNAM:
ISAAC ORTEGA VELAZQUEZ; OSCAR MIGUEL RODRIGUEZ BENITEZ; GERARDO RENE ESPINOSA PEREZ;
Autores externos:

Idioma:

Año de publicación:
2024
Resumen:

In this paper are presented a novel modeling approach and a passivity-based control scheme to solve the output voltage regulation control problem of a class of Quasiresonant Converters. Instead of consider classical order reduction arguments, the proposed full order model recovers the Port-Controlled Hamiltonian structure naturally exhibited by the converters. This feature leads to the possibility to propose the implementation of a passive PI control scheme which has been widely recognized to achieve high performances while proving in a formal way its stability properties. In addition, the controller structure is complemented by the inclusion of a static map to use both the frequency and the duty-cycle of the square input signal as control input, guaranteeing a Zero Current Switching operation mode which drastically improves the efficiency of the circuit. The usefulness of the proposed model and control are validated in a numerical setting. © 2024 IEEE.


Entidades citadas de la UNAM: