满足国六排放法规的EGR系统诊断  

EGR System Diagnostics to Meet CHINAⅥEmission Regulations

作　　者：李云霞 秦翠萍 周飞章 王震华 Li Yun-xia;Qin Cui-ping;Zhou Fei-zhang;Wang Zhen-hua(Weichai Power Co.,Ltd.,Shandong Weifang 261061)

机构地区：[1]潍柴动力股份有限公司,山东潍坊261061

出　　处：《内燃机与配件》2024年第7期43-45,共3页Internal Combustion Engine & Parts

摘　　要：EGR技术作为一种有效降低NOx排放的方法而得到广泛应用,EGR系统能否正常工作直接影响发动机的排放效果。国六法规要求,OBD(车载诊断系统)需要对EGR系统的相关失效进行监测。本文介绍了满足国六法规要求的EGR系统诊断功能及其原理,为发动机电控系统诊断策略开发提供参考。EGR technology as a kind of effective method to reduce Nox emissions is widely used.The normal operation of EGR system directly affects the emission effect of engine.CHINAⅥrequires oBD(on-board diagnostic system)to monitor EGR system failures.In this paper,EGR system diagnosis function satisfied the requirement of CHINAⅥand its principle were introduced,which provide reference for engine electronic control system diagnosis strategy development.

关 键 词：发动机电控系统 EGR系统 诊断 

分 类 号：TK421.5[动力工程及工程热物理—动力机械及工程]