Oxidant (air flow) control is an important aspect of fuel cell reactant control system which is designed to fulfill two purposes: air flow rate control and pressure control. These tasks require coordinated valve operation to reduce pressure variation and stabilize flow rate. In this paper, a nonlinear model describing filling dynamics of the supply and return manifolds is presented. The nonlinear model is then linearized around the stack operating point, based on which a model predictive controller is designed to maintain a constant supply and manifold pressures, as well as a constant pressure on the cathode side. Simulation studies demonstrate the model predictive controller is capable of not only regulating constant pressures during steady state operation, but also substantially reducing pressure variations during transient periods. Simulation also indicates that the control system has good robustness against model uncertainty.
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ASME 2010 Dynamic Systems and Control Conference
September 12–15, 2010
Cambridge, Massachusetts, USA
Conference Sponsors:
- Dynamic Systems and Control Division
ISBN:
978-0-7918-4417-5
PROCEEDINGS PAPER
Coordinated Control of Fuel Cell Air Supply System Using Model Predictive Control
Lie Tang,
Lie Tang
Missouri University of Science and Technology, Rolla, MO
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Robert G. Landers
Robert G. Landers
Missouri University of Science and Technology, Rolla, MO
Search for other works by this author on:
Lie Tang
Missouri University of Science and Technology, Rolla, MO
Robert G. Landers
Missouri University of Science and Technology, Rolla, MO
Paper No:
DSCC2010-4103, pp. 735-741; 7 pages
Published Online:
January 25, 2011
Citation
Tang, L, & Landers, RG. "Coordinated Control of Fuel Cell Air Supply System Using Model Predictive Control." Proceedings of the ASME 2010 Dynamic Systems and Control Conference. ASME 2010 Dynamic Systems and Control Conference, Volume 1. Cambridge, Massachusetts, USA. September 12–15, 2010. pp. 735-741. ASME. https://doi.org/10.1115/DSCC2010-4103
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