燃料电池城市客车的部件繁多,结构复杂,包括燃料电池发动机、蓄电池、DC/DC和电动机等多个部件节点,其控制系统多采用复杂的分布式控制系统。该控制系统信息流量大、控制任务复杂、实时性要求高,在开发与运行过程当中对数据监控、故障...燃料电池城市客车的部件繁多,结构复杂,包括燃料电池发动机、蓄电池、DC/DC和电动机等多个部件节点,其控制系统多采用复杂的分布式控制系统。该控制系统信息流量大、控制任务复杂、实时性要求高,在开发与运行过程当中对数据监控、故障诊断、程序在线更新、数据传输等都提出了更高的要求。在燃料电池城市客车控制系统研发与装备过程中,采用了OSEK/VDX标准的实时操作系统、硬件在环实时仿真、时间触发控制器局域网(Controller area network,CAN)以及无缝自动代码生成等最新的软件技术,这些新技术的应用,有效地提高了燃料电池客车控制系统的开发效率,降低了系统故障率,并为燃料电池客车的优化控制构建了一个开放的技术平台。展开更多
This paper presents an analysis of the dynamic response of a low pressure proton exchange membrane （PEM） fuel cell stack to step changes in load, which are charactedstic of automotive fuel cell system applications. ...This paper presents an analysis of the dynamic response of a low pressure proton exchange membrane （PEM） fuel cell stack to step changes in load, which are charactedstic of automotive fuel cell system applications. The goal is a better understanding of the electrical and electrochemical processes when accounting for the characteristic cell voltage response during transients. The analysis and expedment are based on a low pressure 5 kW proton exchange membrane fuel cell （PEMFC） stack, which is similar to those used in several of Tsinghua＇s fuel cell buses. The experimental results provide an effective improvement reference for the power train control scheme of the fuel cell buses in Olympic demonstration in Beijing 2008.展开更多
文摘燃料电池城市客车的部件繁多,结构复杂,包括燃料电池发动机、蓄电池、DC/DC和电动机等多个部件节点,其控制系统多采用复杂的分布式控制系统。该控制系统信息流量大、控制任务复杂、实时性要求高,在开发与运行过程当中对数据监控、故障诊断、程序在线更新、数据传输等都提出了更高的要求。在燃料电池城市客车控制系统研发与装备过程中,采用了OSEK/VDX标准的实时操作系统、硬件在环实时仿真、时间触发控制器局域网(Controller area network,CAN)以及无缝自动代码生成等最新的软件技术,这些新技术的应用,有效地提高了燃料电池客车控制系统的开发效率,降低了系统故障率,并为燃料电池客车的优化控制构建了一个开放的技术平台。
基金Supported by the National High-Tech Research and Development (863) Program of China (No.2006AA11A102)
文摘This paper presents an analysis of the dynamic response of a low pressure proton exchange membrane （PEM） fuel cell stack to step changes in load, which are charactedstic of automotive fuel cell system applications. The goal is a better understanding of the electrical and electrochemical processes when accounting for the characteristic cell voltage response during transients. The analysis and expedment are based on a low pressure 5 kW proton exchange membrane fuel cell （PEMFC） stack, which is similar to those used in several of Tsinghua＇s fuel cell buses. The experimental results provide an effective improvement reference for the power train control scheme of the fuel cell buses in Olympic demonstration in Beijing 2008.
