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Journal of Chemistry
Volume 2014, Article ID 762954, 8 pages
http://dx.doi.org/10.1155/2014/762954
Research Article

Design and Implementation of 8051 Single-Chip Microcontroller for Stationary 1.0 kW PEM Fuel Cell System

1Department of Mechanical Engineering, National Pingtung University of Science and Technology, Pingtung 912, Taiwan
2Department of Greenergy, National University of Tainan, Tainan 70005, Taiwan

Received 19 May 2014; Accepted 12 June 2014; Published 15 July 2014

Academic Editor: TianHu Wang

Copyright © 2014 Pei-Hsing Huang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Proton exchange membrane fuel cells (PEMFCs) have attracted significant interest as a potential green energy source. However, if the performance of such systems is to be enhanced, appropriate control strategies must be applied. Accordingly, the present study proposes a sophisticated control system for a 1.0 kW PEMFC system comprising a fuel cell stack, an auxiliary power supply, a DC-DC buck converter, and a DC-AC inverter. The control system is implemented using an 8051 single-chip microcontroller and is designed to optimize the system performance and safety in both the startup phase and the long-term operation phase. The major features of the proposed control system are described and the circuit diagrams required for its implementation introduced. In addition, the touch-sensitive, intuitive human-machine interface is introduced and typical screens are presented. Finally, the electrical characteristics of the PEMFC system are briefly examined. Overall, the results confirm that the single-chip microcontroller presented in this study has significant potential for commercialization in the near future.