Title

Decentralized Control Of A Fuel Cell Ultra-Capacitor Hybrid Network

Abstract

This paper addresses decentralized control of a simple hybrid power system consisting of a single fuel cell and an ultra-capacitor. This work develops separate controllers for the fuel cell and the ultra-capacitor, rather than a centralized controller. With a goal developing a control paradigm that is scalable to many energy resources connected to a network, the controllers are designed primarily to use locally sensed information. Explicit communication between controllers, such as exchange of locally sensed information, is absent. An energy conservation based approach, combined with a current regulation method developed by the authors in their earlier work [1], is used for transient control of the fuel cell. The control of state-of-charge of the ultra-capacitor is also principally governed by energy conservation, but implemented using two different approaches. One is based on dissipation, and the other is based on voltage modulation. The former is a conservative approach, while the latter is potentially more energy efficient. Simulation results are presented to demonstrate these concepts. Further research is ongoing to develop a detailed analytical base for this work. © 2013 AACC American Automatic Control Council.

Publication Date

1-1-2013

Publication Title

Proceedings of the American Control Conference

Number of Pages

5362-5367

Document Type

Article; Proceedings Paper

Personal Identifier

scopus

DOI Link

https://doi.org/10.1109/acc.2013.6580675

Socpus ID

84883549746 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84883549746

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