The simulation study of an offline robust model predictive control for a DC-DC buck converter

Name: Parakon Chokchuaiphatthanakit

Organization : Mahidol University. Electrical Engineering Dept.

Email : egcjr@mahidol.ac.th

Name: Chuttchaval Jeraputra

Organization : Mahidol University. Electrical Engineering Dept.

Name: Pomchai Bumrungsri

Organization : Mahidol University. Chemical Engineering Dept.

keyword: Linear matrix inequalities

LCSH: DC-to-DC converters

LCSH: Predictive control

LCSH: Robust control

LCSH: Signal processing -- Digital techniques

Abstract: This paper presents a simulation study of an offline robust model predictive control (RMPC) for a DC-DC buck converter. The robust control synthesis is adopted from established methodologies. A time-varying model of a DC-DC buck converter and an integral controller are formulated into a robust MPC problem. It is solved offline by means of linear matrix inequalities (LMI). The results are stored in lookup tables and used to compute state feedback gains corresponding to measured state variables at each time step. The viability of the control algorithm is verified by simulation on MATLAB/Simulink. The results show that the output voltage can be controlled over a wide load range. The control algorithm is robust and able to compensate for unmeasured disturbances.

King Mongkut's University of Technology North Bangkok. Central Library

Address: BANGKOK

Email: library@kmutnb.ac.th

Created: 2021

Modified: 2026-04-28

Issued: 2026-04-28

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BibliograpyCitation : In Chiang Mai University. Faculty of Engineering. 2021 18th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON 2021) (pp.1047-1050). Chiang Mai : Chiang Mai University

eng

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