固体氧化物燃料电池-内燃机系统冷启动控制

2021 5th CAA International Conference on Vehicular Control and Intelligence (CVCI) Pub Date : 2021-10-29 DOI:10.1109/CVCI54083.2021.9661170

Zhiyao Xu, Yu Zhang, Shengya Hou, B. Gao, Jinwu Gao

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引用次数: 2

摘要

固体氧化物燃料电池(SOFC) -内燃机(ICE)混合动力系统是最近提出的一种分布式发电系统，可以实现超越现有技术的极高效率。与火花点火(SI)发动机不同，SOFC通常需要一个小时的预热才能工作。在这项工作中，使用电加热器预热SOFC，电源来自ICE。考虑到混合动力系统可能在数天内频繁启停，SOFC冷启动的经济性必须得到优化。本文利用MATLAB建立了SOFC- ice系统冷启动的简化热模型。采用等效油耗最小控制策略(ECMS)算法对发动机的热动力学特性进行分析，以提高燃油经济性。

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Cold start control of solid oxide fuel cell-internal combustion engine system

A solid oxide fuel cell (SOFC)–internal combustion engine (ICE) hybrid system is a recently-proposed distributed electric power generation system to achieve extremely high efficiency beyond that of current technologies. Unlike spark ignition (SI) engine, SOFC usually takes an hour to be warmed before working. In this work, an electrical heater is used to preheat SOFC and the power comes from ICE. Considering the hybrid system might frequently start and stop over several days, the economy of SOFC cold start is necessarily optimized. This paper establishes a simplified thermal model of SOFC-ICE system for SOFC cold start using MATLAB. The thermal dynamics is analyzed to improve the fuel economy with an equivalent fuel consumption minimum control strategy (ECMS) algorithm.

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2021 5th CAA International Conference on Vehicular Control and Intelligence (CVCI)

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