针对柴油机高压油管内燃油压力波动特性，设计和选择了故障诊断系统的硬件和软件。
According to the character of pressure wave in diesel high pressure line, the hardware and software of fault diagnosis system was designed and choose.
泵-管-嘴式喷油系统中喷油嘴与高压油管的结构参数决定燃油的喷雾质量，从而影响整个柴油机的燃烧状况。
The quality of fuel spray is decided by the structure of nozzle and high-pressure fuel pipe in the pump-tube-nozzle fuel injection system, and it influences the whole diesel combustion.
通过分析柴油机燃油供给系统的故障表现形式及高压油管的油压波形特征，研究了柴油机燃油供给系统的故障诊断策略。
Based on the analyzing modalities of faults and fuel pressure waveform from injection line, a research on diagnosis strategy of fuel injection system is given.
通过实验模拟喷油器的典型故障，用外卡式压力传感器测取高压油管的燃油压力波，并利用人工神经网络模型进行了故障诊断。
The typical faults of diesel injector were simulated and the pressure waves were measured with the pressure sensor clamped on high pressure line. Artificial neural network was used in fault diagnosis.
通过实验模拟喷油器的典型故障，用外卡式压力传感器测取高压油管的燃油压力波，并利用人工神经网络模型进行了故障诊断。
The typical faults of diesel injector were simulated and the pressure waves were measured with the pressure sensor clamped on high pressure line. Artificial neural network was used in fault diagnosis.
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