基于数据流分析的发动机电控系统故障诊断方法研究

Research of Fault Diagnosis Methods Based on Data Flow Analysis for Engine Electronic Control System

汽车发动机电控系统的控制技术越来越复杂,在实际的发动机电控系统故障诊断过程中,诊断方法很多,同时相关的诊断设备也是多种多样。现阶段汽车检测人员要想更加快速准确地判断故障,最有效的方法之一便是使用数据流检测的方法。以典型车型故障为例,以汽车电控发动机数据流的分析方法为基础,介绍该方法使用的基本原则与基本方法,为快速进行故障诊断提供参考。

The control technology of the automobile engine electronic control system is more and more complex. In the actual engine electronic control system fault diagnosis process,there are a variety of diagnostic methods and a variety of special equipments. Currently,to judge fault fast,one of the most effective way is to use data flow testing. Taking a typical fault as example,the basic principles and basic usage of the data flow analysis method in automobile engine electronic control system fault diagnosis were introduced. It provides reference for fast fault diagnosis.