A Decentralized Explicit Predictive Control Paradigm for Parallelized DC-DC Circuits

A Decentralized Explicit Predictive Control Paradigm for Parallelized DC-DC Circuits

This paper extends previously introduced explicit optimal control methods for fixed frequency switched mode DC-DC converter circuits to the parallel synchronous step-down (i.e., buck) topology with N branches. Due to the computational complexity of modelling and controlling such potentially large mu...

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Veröffentlicht in:IEEE transactions on control systems technology 2013-01, Vol.21 (1), p.136-148
Hauptverfasser: Beccuti, A. G., Kvasnica, M., Papafotiou, G., Morari, M.
Format: Artikel
Sprache:eng
Schlagworte:
Circuits
Computation
Control systems
DC-DC power converters
Decentralized
distributed control
explicit predictive control
Inductors
Integrated circuit modeling
Legged locomotion
Mathematical model
Optimal control
Predictive control
Switches
Synchronous
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Beschreibung
Zusammenfassung:This paper extends previously introduced explicit optimal control methods for fixed frequency switched mode DC-DC converter circuits to the parallel synchronous step-down (i.e., buck) topology with N branches. Due to the computational complexity of modelling and controlling such potentially large multivariable systems a decentralized model predictive control scheme is employed allowing for the related optimal control problem to be efficiently formulated and solved offline for each local controller. Simulation results are provided to illustrate the outcome of the proposed approach.
ISSN:1063-6536
1558-0865
DOI:10.1109/TCST.2011.2178071