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Explicit Model Predictive Control of Buck Converter

Abstract : This article proposes a model predictive control (MPC) design to control a fixed frequency DC-DC power converter in a defined operating domain. The prediction model used for the control synthesis is a piecewise affine approximation (PWA) that covers the whole operating range of the converter. Based on the obtained hybrid model a constrained optimal control problem is formulated and solved. The explicit form of the control law is derived offline as an affine state feedback controller. This explicit controller is stored in a look-up table for implementation. The experimental results show the potential advantages of this control approach in comparison with a static state-feedback or a classic PI controller.
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Submitted on : Monday, November 12, 2012 - 3:48:52 PM
Last modification on : Wednesday, January 27, 2021 - 5:26:07 PM




Cristina Vlad, Pedro Rodriguez-Ayerbe, Emmanuel Godoy, Pierre Lefranc. Explicit Model Predictive Control of Buck Converter. 2012 15th International Power Electronics and Motion Control Conference (EPE/PEMC), Sep 2012, Novi Sad, Serbia. ⟨10.1109/EPEPEMC.2012.6397240⟩. ⟨hal-00750869⟩



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