Model-based temperature regulation of a PEM fuel cell system on a city bus

被引：113
作者：
Cheng, Siliang [1 ]
Fang, Chuan [1 ]
Xu, Liangfei [1 ,2 ,3 ]
Li, Jianqiu [1 ,2 ]
Ouyang, Minggao [1 ]
机构：
[1] Tsinghua Univ, Dept Automot Engn, State Key Lab Automot Safety & Energy, Beijing 100084, Peoples R China
[2] Collaborat Innovat Ctr Elect Vehicles, Beijing, Peoples R China
[3] Forschungszentrum Julich GmbH, Inst Energy & Climate Res, IEK Electrochem Proc Engn 3, D-52425 Julich, Germany
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2015年 / 40卷 / 39期
关键词：
PEM fuel cell; Thermal management; Cooling system modeling; Model based controller; ENERGY MANAGEMENT STRATEGY; THERMAL MANAGEMENT; COOLING SYSTEM;
D O I：
10.1016/j.ijhydene.2015.08.042
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：
Temperature changes in PEM fuel cell stacks affect gas transfer, water balance, and electrochemical reaction activities. Improper temperature regulation could impact the durability of the stack, which is of the highest importance for a city bus. Hence, thermal management is an important issue for PEM fuel cell, especially for city bus applications. In this study, a model-based control strategy aimed at keeping the temperature in a small range near target value was applied to a cooling system. Firstly, the cooling system of the PEM fuel cell system was proposed and the cause of temperature fluctuation was analyzed. Then, a model of the cooling system, which consisted of a stack, a water tank, and a radiator coupled to a fan, was built on the Simulink platform. A model-based controller consisting of nonlinear feedforward and LQR state feedback was added to the model. The simulation results showed that the controlled system performed satisfactorily. Also, when applied on a real system, the controller worked out well. Data collected from the city bus show that the temperature of the stack is kept in a range within +/- 0.5 degrees C. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：13566 / 13575
页数：10
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