Multi-loop nonlinear predictive control scheme for a simplistic hybrid energy system

被引：34
|
作者：
Wu, W. [1 ]
Xu, J. P. [1 ]
Hwang, J. J. [2 ]
机构：
[1] Natl Yunlin Univ Sci & Technol, Dept Chem & Mat Engn, Touliu 64002, Yunlin, Taiwan
[2] Natl Univ Tainan, Grad Inst Greenergy Technol, Tainan 700, Taiwan
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2009年 / 34卷 / 09期
关键词：
Temperature regulation; Oxygen excess ratio; Nonlinear predictive control; PEM fuel cell; Wind turbine; FUEL-CELL SYSTEM; MODEL-BASED CONTROL; AIR-FLOW; STRATEGIES; PEMFC;
D O I：
10.1016/j.ijhydene.2009.02.060
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A simplistic hybrid energy system is composed of the wind turbine, electrolyzer, and PEM fuel cell stack. in view of the high current demand and fast load changes, the hybrid dynamic simulation shows that the fuel cell may be in risk of oxygen starvation and overheating problems. Regarding the safe operation as well as long lifetime of the fuel cell, the effective control manner is expected to regulate both the stack temperature and oxygen excess ratio in the cathode at the desired level. Under the multi-loop nonlinear predictive control framework, the controlled output variables are specified independently by manipulating air (oxygen) and water flowrates, respectively. The dynamic modeling and control implementation are realized in the Matlab-Simulink (TM) environment. Crown Copyright (C) 2009 Published by Elsevier Ltd on behalf of International Association for Hydrogen Energy. All rights reserved.
引用
收藏
页码：3953 / 3964
页数：12
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