Modelling and Passivity-based Control of a Non-isolated DC-DC Converter in a Fuel Cell System

This paper presents the model of a fuel cell and the design and simulation of a cascade of two DC-DC converters. First, a detailed mathematical model of fuel cell is presented and simulated. Then, a nonlinear model of the whole controlled system is developed and a robust nonlinear controller of curr...

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Bibliographic Details
Published inInternational journal of electrical and computer engineering (Malacca, Malacca) Vol. 8; no. 5; p. 3436
Main Authors Ahmed, Moutabir, Elhassane, Abdelmounim, Mohamed, Aboulfatah
Format Journal Article
LanguageEnglish
Published Yogyakarta IAES Institute of Advanced Engineering and Science 01.10.2018
Subjects
Automobile industry
Computer simulation
Control stability
Converters
Fuel cells
Mathematical models
Nonlinear control
Passivity
Robust control
Robustness (mathematics)
Simulation
Stability analysis
Voltage converters (DC to DC)
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Summary:This paper presents the model of a fuel cell and the design and simulation of a cascade of two DC-DC converters. First, a detailed mathematical model of fuel cell is presented and simulated. Then, a nonlinear model of the whole controlled system is developed and a robust nonlinear controller of currents is synthesized using a passivity-based control. A formal analysis based on Lyapunov stability and average theory is developed to describe the control currents loops performances. A classical PI controller is used for the voltages loops. The simulation models have been developed and tested in the MATLAB/SIMULINK. Simulated results are displayed to validate the feasibility and the effectiveness of the proposed strategy.
ISSN:2088-8708
2088-8708
DOI:10.11591/ijece.v8i5.pp3436-3443