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Junsheng Jiao
Tongling University

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Sliding Mode Control of the Battery Bank for the Fuel Cell-based Distributed Generation System Junsheng Jiao
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 12: December 2013
Publisher : Institute of Advanced Engineering and Science

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Abstract

The dynamic models for the fuel cell power and the configuration of the fuel cell distributed generation system are shown in this paper. Due to nonlinear characteristics of fuel cell model, the output voltage of fuel cell varies greatly when the load changes. A novel interface is designed to provide a constant output voltage for charging of the battery bank of the fuel cell distributed generation. The thesis presents a sliding mode control design of PEMFC distributed generation system. A cascaded control structure is chosen for ease of control realization and to exploit the motion separation property of power converters. The simulation results confirm the output current and voltage of the PEM fuel cell array converge rapidly to their reference values. DOI: http://dx.doi.org/10.11591/telkomnika.v11i12.3594
Extremum Seeking Control for Power Output Maximization of Proton Exchange Membrane Fuel Cell using Sliding Mode Junsheng Jiao
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 11: November 2013
Publisher : Institute of Advanced Engineering and Science

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Abstract

Due to the nonlinear P-I characteristic of fuel cells, it is very important to implement a maximum power point tracking (MPPT) controller for practical applications. Based on analyzing the output characteristics of fuel cell power system, this paper presents extremum seeking sliding mode control method for MPPT of fuel cell power system under variable temperature and water content conditions. The approach is a combination of the extremum seeking and sliding mode methods. The simulation results show that the approach improves clearly the tracking efficiency of the maximum power available at the output of the fuel cell modules. The new method reduces the oscillations around the MPP, which has shown better performances. DOI: http://dx.doi.org/10.11591/telkomnika.v11i11.2976
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