Abstract
The design of a robust flatness-based tracking control for the DC/DC Buck converter-DC motor system is developed in this paper. The design of the control considers the dynamics of a renewable energy power source that plays the role of the primary power supply associated with the system. The performance and robustness of the control is verified through simulations via MATLAB-Simulink when abrupt changes in some parameters of the system are taken into account. Also, experiments are performed by using a built prototype of the DC/DC Buck converter-DC motor system, a TDK-Lambda G100-17 programmable DC power supply, MATLAB-Simulink, and the DS1104 board from dSPACE. In this regard, the TDK-Lambda G100-17 is implemented with the aim of emulating photovoltaic panels through the solar array mode for generating the power supply of the system. Thus, both simulations and experiments show the effectiveness of the proposed control scheme.
Highlights
Ramon Silva-Ortigoza,1 Alfredo Roldan-Caballero,1 Eduardo Hernandez-Marquez,2 Jose Rafael Garcıa-Sanchez,3 Magdalena Marciano-Melchor,1 Victor Manuel Hernandez-Guzman,4 and Gilberto Silva-Ortigoza 5
E design of a robust flatness-based tracking control for the DC/DC Buck converter-DC motor system is developed in this paper. e design of the control considers the dynamics of a renewable energy power source that plays the role of the primary power supply associated with the system. e performance and robustness of the control is verified through simulations via MATLABSimulink when abrupt changes in some parameters of the system are taken into account
In papers [5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40], different kinds of control schemes have been developed for both the regulation and the tracking tasks of DC motors fed by DC/DC Buck converters. ose control schemes considered the dynamics of the converter and the DC motor when the primary power supply of the converter, E, is obtained either by using a regulated power supply or by using static values
Summary
Robust Flatness Tracking Control for the “DC/DC Buck ConverterDC Motor” System: Renewable Energy-Based Power Supply. Hernandez-Marquez et al considered two robust controls based on flatness [38]; the first control considers the system complete dynamics, whereas the second separates the dynamics of the system for using a hierarchical approach Concerning this same system, an adaptive backstepping sliding-mode control integrated with Chebyshev neural network estimation was employed by Chi et al in [39]. Us, the contribution of this paper consists in developing a robust tracking control against power supply variations that may arise from the use of renewable energy sources in a DC/DC Buck converter-DC motor system. A system is considered to be differentially flat if all the state variables and the inputs
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