| 基于SAE J1939协议的天然气发动机传感器故障诊断技术 |
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| 引用本文： | 杨良义,甘海云,赵向阳.基于SAE J1939协议的天然气发动机传感器故障诊断技术[J].车用发动机,2011(2):90-92. |
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| 作者姓名： | 杨良义 甘海云 赵向阳 |
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| 作者单位： | 中国汽车工程研究院汽车噪声振动和安全技术国家重点实验室; |
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| 基金项目： | “核高基”重大专项课题“汽车电子控制器嵌入式软件平台研发及产业化” |
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| 摘 要： | 以SAE J1939诊断协议为基础,结合增压稀燃天然气发动机电喷系统,开发出了一种天然气发动机的故障诊断系统.通过故障模拟试验和台架试验,验证了该自诊断系统的功能和性能,诊断系统可有效诊断出系统故障,并作出相应的故障处理操作.
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| 关 键 词： | 天然气发动机 故障诊断专家系统 |
Fault Diagnosis of NG Engine Sensors Based on SAE J1939 |
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| YANG Liang-yi,GAN Hai-yun,ZHAO Xiang-yang.Fault Diagnosis of NG Engine Sensors Based on SAE J1939[J].Vehicle Engine,2011(2):90-92. |
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| Authors: | YANG Liang-yi GAN Hai-yun ZHAO Xiang-yang |
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| Institution: | YANG Liang-yi,GAN Hai-yun,ZHAO Xiang-yang(Key Laboratory of Vehicle NVH and Safety Control,China Automotive Engineering Research Institue,Chongqing 400039,China) |
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| Abstract: | Based on the SAE J1939,a fault diagnosis system of NG engine was developed by combining with the electronic fuel injection system of turbocharger lean-burn NG engine.Through the fault simulation and bench test,the function and performance of self-diagnosable system was verified.The results show that the system can diagnose the faults effectively and adopt the corresponding safeguards. |
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| Keywords: | NG engine fault diagnosis expert system |
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