Model based diagnosis of the air path of an automotive diesel engine

被引：0
|
作者：
Nyberg, M [1 ]
Stutte, T [1 ]
Wilhelmi, V [1 ]
机构：
[1] Daimler Chrysler AG, Res & Technol, D-70546 Stuttgart, Germany
来源：
ADVANCES IN AUTOMOTIVE CONTROL 2001 | 2001年
关键词：
diagnosis; fault detection; on-board diagnostics; diesel engine; modeling; hypothesis testing; adaptive observers;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A model based diagnosis system for the air-path of a turbo-charged diesel engine with EGR is constructed. The faults considered were air-mass flow sensor fault, intake-manifold pressure sensor fault, air-leakage, and the EGR-valve stuck in closed position. A non-linear engine model, with four states, is constructed. The diagnosis system is then constructed in the framework of structured hypothesis tests, and by using adaptive observers. The diagnosis system is successfully evaluated in a real car driving on the road. Copyright (C) 2001 IFAC.
引用
收藏
页码：245 / 250
页数：6
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