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本文以作者参加研制的柴油机检测与诊断系统为对象，在分析柴油机故障机理及特点的基础上，详细论述了检测与诊断系统的组织与结构，检测参数的选择与取舍，信号数据的采集与处理和系统故障诊断等方面的问题。文章着重论述了转速的测量及其在柴油机检测与诊断系统中的应用，柴油机高压油路的检测与诊断，ＤＳＰ系统软件的开发及其在柴油机表面振动诊断中的应用。
Based on the analysis of the mechanism and characteristics of diesel engine faults, this paper discusses in detail the organization and structure of the detection and diagnosis system, the selection and selection of detection parameters, the collection and processing of signal data And system troubleshooting and other aspects of the problem. This paper focuses on the measurement of rotational speed and its application in the detection and diagnosis system of diesel engine, the detection and diagnosis of diesel high pressure oil circuit, the development of DSP system software and its application in the diagnosis of diesel engine surface vibration.