燃料电池机车温度系统建模和控制

系统仿真学报 ›› 2015, Vol. 27 ›› Issue (1): 133-141.

燃料电池机车温度系统建模和控制

郭爱, 陈维荣, 李奇, 刘志祥, 李艳昆

西南交通大学电气工程学院,成都 610031

收稿日期:2013-12-20 修回日期:2014-05-15 发布日期:2020-09-02
作者简介:郭爱(1970-), 女, 山西运城人, 博士生, 讲师, 研究方向为大功率燃料电池系统建模与控制。
基金资助:
国家自然科学基金(51177138)

Modeling and Control of Thermal System of Fuel Cells for Locomotive

Guo Ai, Chen Weirong, Li Qi, Liu Zhixiang, Li Yankun

School of Electrical Engineering, Southwest Jiaotong University, Chengdu 610031, China

Received:2013-12-20 Revised:2014-05-15 Published:2020-09-02

摘要/Abstract

摘要： 以质子交换膜燃料电池为动力源的燃料电池机车是机车发展的一个新方向,温度是保证系统性能和可靠性的重要条件之一。建立了燃料电池机车温度系统的动态模型,其中包含电堆、旁路阀、散热片等部件及其阻力模型;通过调节散热器空气流速和循环泵冷却液流速,实现电堆入口温度保持在设定温度及电堆出入口温度差<10^oC的控制目标;温度控制器分别采用了PI控制器和带积分的状态反馈控制器。仿真实验验证了PI控制和带积分的状态反馈控制不仅都能达到满意效果,二者的温度误差 < 0.1^oC,由于带积分的状态反馈控制考虑了输入和输出之间的耦合关系,其控制性能明显优于PI控制。

关键词: 燃料电池, 电堆温度, 阻力模型, 带积分的状态反馈控制

Abstract: Temperature in the stack plays an important role in ensuring efficient and reliable operations for proton exchange membrane fuel cells driving locomotive which is a new field in railway development. The thermal model of fuel cells for locomotive was built including the stack, bypass, radiator and their resistance to coolant. The control objective that the temperature at inlet of the stack maintained at a setting temperature with the temperature difference between the stack less 10^oC was accomplished by adjusting the air flow rate through the radiator and the coolant flow rate through the pump; and the two controllers including PI controller and the state feedback controllers with integral were designed. The simulations show not only that these two controllers can satisfy the objective with the temperature error less 0.1^oC, but also the performance of the latter is better for its involving coupling relation between input signals and output signals.

Key words: fuel cells, stack temperature, resistance model, state feedback control with integral

中图分类号:

TM911.4

郭爱, 陈维荣, 李奇, 刘志祥, 李艳昆. 燃料电池机车温度系统建模和控制[J]. 系统仿真学报, 2015, 27(1): 133-141.

Guo Ai, Chen Weirong, Li Qi, Liu Zhixiang, Li Yankun. Modeling and Control of Thermal System of Fuel Cells for Locomotive[J]. Journal of System Simulation, 2015, 27(1): 133-141.

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