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Extension Sliding Mode Controller for Maximum Power Point Tracking of Hydrogen Fuel Cells

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  • Meng-Hui Wang
  • Her-Terng Yau
  • Tai-Yuan Wang

Abstract

Fuel cells (FCs) are characterized by low pollution, low noise, and high efficiency. However, the voltage-current response of an FC is nonlinear, with the result that there exists just one operating point which maximizes the output power given a particular set of operating conditions. Accordingly, the present study proposes a maximum power point tracking (MPPT) control scheme based on extension theory to stabilize the output of an FC at the point of maximum power. The simulation results confirm the ability of the controller to stabilize the output power at the maximum power point despite sudden changes in the temperature, hydrogen pressure, and membrane water content. Moreover, the transient response time of the proposed controller is shown to be faster than that of existing sliding mode (SM) and extremum seeking (ES) controllers.

Suggested Citation

  • Meng-Hui Wang & Her-Terng Yau & Tai-Yuan Wang, 2013. "Extension Sliding Mode Controller for Maximum Power Point Tracking of Hydrogen Fuel Cells," Abstract and Applied Analysis, Hindawi, vol. 2013, pages 1-8, July.
    • Handle: RePEc:hin:jnlaaa:371064
    DOI: 10.1155/2013/371064
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