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Study of Diagnosis Expert System of Electronic Control Engine Based on Waveform Analysis and Diagnosis Tree

机译:基于波形分析和诊断树的电子控制引擎诊断专家系统研究

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In this paper, the research of Diagnosis Expert System of Electronic control engine was investigated. By utilizing self-diagnosis and Diagnosis Tree method and Waveform Analysis diagnosis method, fault orientation become more convenience. By using Diagnosis Tree method, the causes of faults can be found in best way, with high distinguishing rate, low error diagnosis rate and least cost. By means of Waveform Analysis diagnosis method, abundant information about fault can be acquired accurately as waveform by measuring. And by analysing basic character of waveform's main observation point, cause of a fault and Certainty Factor can be achieved.
机译:本文研究了电子控制发动机诊断专家系统的研究。通过利用自诊断和诊断树方法和波形分析诊断方法,故障方向变得更加便利。通过使用诊断树方法,可以以最佳方式找到故障的原因,具有高区别率,较低的诊断率低,成本最低。通过波形分析诊断方法,通过测量,可以准确地获得关于故障的丰富信息。并且通过分析波形的主要观察点的基本特征,可以实现故障和确定性因子的原因。

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