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This paper presents a PI-fuzzy controller (PIFC) for an energy storage application based on a 28V Li-ion battery. The battery is fed by an isolated bidirectional Phase-Shifted (PS) Dual Active Bridge (DAB) DC-DC converter (270V/28V, 5kW). The main contribution of this work is the application of the closed-loop fuzzy control system to the DAB converter and the stability analysis that has been carried...
As an energy storage unit Lithium-ion batteries play an important role in More Electrical Aircraft and accurate knowledge of its behaviour and state of charge (SOC) are required to ensure the safety of the Aircraft Electrical System (AES) and its energy management. This paper details the conception of a 2nd order equivalent electrical circuit (EEC) battery model with SOC, current (magnitude and direction)...
The shift towards More Electrical Aircraft is bringing with it many new technologies and a redesign of the existing aircraft electrical network, both of which require thorough testing before their implementation. This led to the creation of the Copper Bird® test bench which recreates the aircraft electrical system and is used for equipment evaluation and validation. This paper details the development...
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