NDLI: Experimental Evaluation of a Control Strategy for Real-Time Optimization of Low Temperature PEM Fuel Cell Stack

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Kolavennu, Panini Susanta, K. Das Berry, K. Joel
Copyright Year	2009
Abstract	A robust control strategy which ensures optimum performance is crucial to proton exchange membrane (PEM) fuel cell development. In a PEM fuel cell stack, the primary control variables are the reactant’s stochiometric ratio, membrane’s relative humidity and operating pressure of the anode and cathode. In this study, a 5 kW (25-cell) PEM fuel cell stack is experimentally evaluated under various operating conditions. Using the extensive experimental data of voltage-current characteristics, a feed forward control strategy based on a 3D surface map of cathode pressure, current density and membrane humidity at different operating voltages is developed. The effectiveness of the feed forward control strategy is tested on the Green-light testing facility. To reduce the dependence on predetermined system parameters, real-time optimization based on extremum seeking algorithm is proposed to control the air flow rate into the cathode of the PEM fuel cell stack. The quantitative results obtained from the experiments show good potential towards achieving effective control of PEM fuel cell stack.
Starting Page	13
Ending Page	16
Page Count	4
File Format	PDF
ISBN	9780791843796
DOI	10.1115/IMECE2009-12031
e-ISBN	9780791838631
Volume Number	Volume 6: Emerging Technologies: Alternative Energy Systems; Energy Systems: Analysis, Thermodynamics and Sustainability
Conference Proceedings	ASME 2009 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2009-11-13
Publisher Place	Lake Buena Vista, Florida, USA
Access Restriction	Subscribed
Subject Keyword	Membranes Test facilities Pressure Optimization Robust control Proton exchange membranes Air flow Algorithms Fuel cells Feedforward control Proton exchange membrane fuel cells Anodes Current density Low temperature
Content Type	Text
Resource Type	Article

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