Modelado y Validación Experimental de un Sistema Convertidor Electrónico de Potencia de CD/CD Buck–Motor de CD Bidireccional (Modeling and Experimental Validation of a Bidirectional DC/DC Buck Power Electronic Converter‑DC Motor System)

Ramón Silva Ortigoza (, José Norberto Alba Juárez (, José Rafael García Sánchez (, Mayra Antonio Cruz (, Victor Manuel Hernández Guzmán (, Hind Taud (

1Universidad Autónoma de Querétaro

This paper appears in: Revista IEEE América Latina

Publication Date: June 2017
Volume: 15,   Issue: 6 
ISSN: 1548-0992

This paper presents the modeling and experimental validation of a new topology for the DC/DC Buck power converter‑DC motor system. The main objective of this topology is to achieve a bidirectional rotation on the DC motor shaft by using a DC/DC power converter. As a result of applying Kirchhoff's current and voltage laws the system mathematical model is obtained. Also, an analysis in steady-state of the system is presented. While, the reference trajectory generation associated to the states and controls of the system (expressed in terms of the voltage converter and motor angular velocity) is performed via differential flatness, which allows a trajectory tracking control in open-loop. The experimental validation of the herein presented model is carried out by means of Matlab-Simulink, ControlDesk, and a DS1104 from dSPACE. The experimental results confirm the validity of the mathematical model, for the general case, i.e., the time-varying trajectory tracking and not only the constant trajectories case.

Index Terms:
Modeling, Experimental platform, DC/DC Buck converter, DC Motor, Bidirectional system, Differential flatness, Open-loop control   

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