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Proton Exchange Membrane Fuel Cell System Identification and Control: Part II — H-Infinity Based Robust Control

[+] Author Affiliations
F. C. Wang, Y. P. Yang, Y. W. Ma, C. W. Huang

National Taiwan University, Taipei, Taiwan

H. P. Chang, B. J. Weng

Chung Shan Institute of Science and Technology (CSIST), Taiwan

Paper No. FUELCELL2006-97118, pp. 1105-1110; 6 pages
doi:10.1115/FUELCELL2006-97118
From:
  • ASME 2006 4th International Conference on Fuel Cell Science, Engineering and Technology
  • ASME 2006 Fourth International Conference on Fuel Cell Science, Engineering and Technology, Parts A and B
  • Irvine, California, USA, June 19–21, 2006
  • Conference Sponsors: Nanotechnology Institute
  • ISBN: 0-7918-4247-9 | eISBN: 0-7918-3780-7
  • Copyright © 2006 by ASME

abstract

This paper applies robust control strategies to a PEM fuel-cell system. In Part I of this work [17], a PEM fuel cell was described as a two-input-two-output system with the inputs of hydrogen and air flow rates, and the outputs of cell voltage and current. From the responses, system identification techniques were adopted to model the system transfer function matrix. Then adaptive control methods were applied to control the system with encouraging results. In this paper, the H∞ robust control strategy is proposed due to the highly nonlinear and time-varying characteristics of the system. From the results, it is illustrated to be an efficient control method for the fuel cell systems.

Copyright © 2006 by ASME

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