A robust control of a 4-leg floating interleaved boost converter for fuel cell electric vehicle application

R. Saadi, M.Y. Hammoudi, O. Kraa, M.Y. Ayad and M. Bahri

Mathematics and Computers in Simulation (MATCOM), 2020, vol. 167, issue C, 32-47

Abstract: This paper proposes a real time validation of a robust control strategy applied to a non-isolated DC/DC power converter with a high step-up ratio, that is suitable for fuel-cell electric vehicle applications. The controlled converter in this work is a four phases floating interleaved boost converter (FIBC) that is selected to achieve a high output voltage, improved efficiency, a reduced input current-output voltage undulation. The proposed controller scheme is designed thanks to a dual loop control based on S/KS mixed Sensitivity H infinity approach that consists of an external voltage loop and an inner current loop to attain a fast regulation versus the disturbance and load variation with a high dynamic performance and robustness even in failure mode. The effectiveness and robustness of the proposed control have been tested firstly by the simulation using Matlab-Simulink software then have been validated through experimental results conducted on 1.2-kW laboratory prototype piloted via dSPACE-1104 single card under different scenarios: load variation, steady-transient responses and Open-Circuit power switch failure mode.

Keywords: DC/DC converter; Fuel cell; Floating interleaved boost converter; Robust control; Mixed sensitivity H infinity controller (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:167:y:2020:i:c:p:32-47

DOI: 10.1016/j.matcom.2019.09.014

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