Nonlinear Control Technique for Proton Exchange Membrane Fuel Cells: An In-Depth Assessment under Diverse Operational Conditions - Université de Picardie Jules Verne
Article Dans Une Revue IFAC-PapersOnLine Année : 2024

Nonlinear Control Technique for Proton Exchange Membrane Fuel Cells: An In-Depth Assessment under Diverse Operational Conditions

Résumé

In the pursuit of enhancing and optimizing the efficiency of Proton Exchange Membrane Fuel Cell (PEMFC) systems, the utilization of linear controllers for DC/DC converters is a prevalent practice. However, the use of these classical controllers introduces the issue of slow response time, under/overshooting, and highly oscillatory dynamics during system responses. In light of these drawbacks, this paper presents the design and assessment of a non-linear approach based on a Sliding Mode Control with Exponential Reaching Law (SMC-ERL) as a viable solution. The stability of the closed-loop control is ensured through the Lyapunov approach. The efficacy of the proposed control methodology has been assessed via comparative analysis within the Matlab/Simulink environment, encompassing two distinct scenarios, response to dynamic variations in current references and load fluctuations. The obtained results prove that the designed SMC-ERL achieves the fastest convergence with a reduction of steady-state error compared to the PI controller allowing for robust and precise control.

Dates et versions

hal-04671782 , version 1 (16-08-2024)

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Citer

A.O. Elgharib, M. Benzaouia, S. Benzaouia, A. Rabhi, M.F. Moussa. Nonlinear Control Technique for Proton Exchange Membrane Fuel Cells: An In-Depth Assessment under Diverse Operational Conditions. IFAC-PapersOnLine, 2024, 58 (13), pp.769-773. ⟨10.1016/j.ifacol.2024.07.575⟩. ⟨hal-04671782⟩

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