| 基于 ISO 26262标准的高压共轨 ECU监控单元的设计与开发 |
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| 引用本文： | 聂飞,周文华,王科杰,赵俊鹏,郭修其.基于 ISO 26262标准的高压共轨 ECU监控单元的设计与开发[J].车用发动机,2016(1):17-21. |
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| 作者姓名： | 聂飞 周文华 王科杰 赵俊鹏 郭修其 |
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| 作者单位： | 浙江大学能源工程学系,浙江杭州,310027 |
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| 摘 要： | 进行了高压共轨EC U监控单元硬件电路和监控策略的设计与开发，提出了三层监控架构并对其中的问询／应答通信监控策略进行开发。利用 Matlab／Simulink工具对监控策略进行模型搭建与仿真，利用 Real‐Time Workshop工具实现模型到代码的自动生成，运用满足ISO 26262标准的工具链和开发流程对代码进行优化，最后在高压共轨柴油机上进行试验验证。试验结果证明此监控单元能有效检测主CPU 故障并及时作出响应，极大提高了高压共轨系统的稳定性。
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| 关 键 词： | 高压共轨 电控单元 自动代码生成 监控单元 控制策略 |
Design and Development of Monitoring Unit for High Pressure Common Rail ECU Based on ISO 26262 |
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| NIE Fei,ZHOU Wenhua,WANG Kejie,ZHAO Junpeng,GUO Xiuqi.Design and Development of Monitoring Unit for High Pressure Common Rail ECU Based on ISO 26262[J].Vehicle Engine,2016(1):17-21. |
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| Authors: | NIE Fei ZHOU Wenhua WANG Kejie ZHAO Junpeng GUO Xiuqi |
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| Abstract: | The hardware circuits and monitoring strategies of the monitoring unit for high pressure common rail ECU were de‐signed and developed ,which mainly focused on query and response monitoring strategy of the three‐level monitoring architec‐ture .The model of monitoring strategy was built and simulated by using Matlab/Simulink tool ,the codes were generated auto‐matically by using Real‐Time Workshop tool ,the generated codes were optimized by using the tool chain and development process according to ISO 26262 ,and finally the test verification was conducted on a high pressure common rail diesel engine . The results showed that the monitoring unit could effectively inspect the fault of CPU and make the decision in time .Accord‐ingly ,the stability of high pressure common rail system improved greatly . |
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| Keywords: | high pressure common rail ECU auto-code generation monitoring unit control strategy |
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