Optimisation et gestion d'énergie d'un système hybride électrique embarqué

Abstract : The "more electric" aircrafts reduce the embedded weight, greenhouse gas emissions and fuel consumption. Their development requires to adapt their electrical architecture and their energy production and storage capacity.Production and storage systems must be well dimensioned to match thevehicle energy requirements. An electric hybridization integrating alithium-ion battery pack and a supercapacitor pack can respectively respond to the energy and power demands of the load.Different electrical hybridization architectures will be studied. This research project deals with the optimal designs of these storage systems on board a helicopter.In this particular application, the overall mass of the entire storagetank system must be minimized. An optimal sizing tool is developed toachieve this objective by acting on the cut-off frequency of alow-pass filter. This frequency approach, based on the most demanding mission profile in terms of energy and power, allows the allocation of power demand between our two storage systems and, therefore, their characterization.Optimization results obtained by electrical architecture using thesimulated annealing method are presented and evaluated over the entiretemperature range. An adaptation of the energy managementstrategy is also presented to evaluate the influence of temperature on battery performance.
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Submitted on : Wednesday, May 29, 2019 - 5:47:09 PM
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Pierre Saenger. Optimisation et gestion d'énergie d'un système hybride électrique embarqué. Energie électrique. Université Bourgogne Franche-Comté, 2017. Français. ⟨NNT : 2017UBFCD061⟩. ⟨tel-02144045⟩



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