Abstract
This paper addresses the problem of intelligent power management for the more electric aircraft framework. The main objective is to regulate the power flow between a low voltage and a high voltage busses through control of a Buck-Boost converter unit. This approach allows the battery to help the generator when an overload scenario occurs, keeping at the same time the battery state of charge above a prescribed threshold. Moreover, in case a continued severe overload causes the battery state of charge to drop below a prescribed threshold, partial shedding of (noncritical) loads occurs. The control objectives are achieved through the design of a hierarchical control strategy based on high gain control for the low level and a finite state automaton for the high level control. Rigorous mathematical proofs of stability are provided for both low level and high level control and a detailed simulator with accurate model of the battery is presented in order to demonstrate the correctness and effectiveness of the proposed approach.
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This work was partially supported by ENIGMA (Grant No. 785416).
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Cavallo, A., Russo, A. & Canciello, G. Hierarchical control for generator and battery in the more electric aircraft. Sci. China Inf. Sci. 62, 192207 (2019). https://doi.org/10.1007/s11432-018-9784-1
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DOI: https://doi.org/10.1007/s11432-018-9784-1