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一种电控共轨柴油机低温起动失效模式分析
引用本文:夏秀娟.一种电控共轨柴油机低温起动失效模式分析[J].柴油机设计与制造,2013,19(2).
作者姓名:夏秀娟
作者单位:上海柴油机股份有限公司,上海,200438
摘    要:针对一台电控共轨柴油机在冷起动过程中的起动失败,从多个方面查找、分析了可能的原因,发现飞轮转动惯量不够会使转速传感器信号变形,导致ECU误判,从而造成发动机冷起动失败。增加飞轮质量后,该问题顺利解决。

关 键 词:柴油机  冷起动  转速信号

Analysis on a Cold Start Failure Mode of Common Rail Diesel Engine
Xia Xiujuan.Analysis on a Cold Start Failure Mode of Common Rail Diesel Engine[J].Design and Manufacture of Diesel Engine,2013,19(2).
Authors:Xia Xiujuan
Abstract:To work out a cold start failure of a common rail diesel engine in test bench,analysis on possible causes was made.As a result,the real cause of the failure was located.It is the moment of inertia of the flywheel that causes the deformation of the speed signal,which leads to the wrong judgment of the ECU.The issue is successfully solved by increasing the mass of the flywheel.
Keywords:engine  cold start  engine speed signal
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