摘要························································前言······························································第一章怠速控制系统的结构与组成·································第二章步进电机式怠速控制阀··································第三章怠速控制系统的工作原理原理·································第四章怠速控制系统故障分析与检修····································怠速过高的故障分析与检修································································································································································································第五章结论·························································第六章致谢····························································参考文献·····························································摘要本文主要介绍电控发动机步进电机式怠速控制系统,通过图例介绍发动机怠速控制系的结构组成以及工作原理,并结合实际情况,例举几大类类常见的发动机怠速控制系统的故障:怠速过高、怠速过低、怠速不稳、怠速熄火、发动机无怠速,并对有些故障的类型通过实际案例加以分析和故障总结,列出故障诊断和维修方法,还提出自己对于怠速系统故障处理的解决方案。关键词:怠速控制系统、步进电机、故障、诊断维修Thispapermainlyintroducesthesteppermotortypeelectronic-controlledenginecontrolsystem,posedofthestructureandtheworkingprinciple,binedwithactualsituation,monenginesidlingcontrolsystemfault:theidle,toolow,idleidleinstability,idleengineflameout,idle,andnofaultofsometypeofactualcasethroughtheanalysisandsummarylistfaultdiagnosisandmaintenance,:idlespeedcontrolsystem,ste
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