发明申请
US20100218487A1 MODEL-BASED DIAGNOSTICS OF NOX SENSOR MALFUNCTION FOR SELECTIVE CATALYST REDUCTION SYSTEM
有权
用于选择性催化还原系统的NOX传感器故障的基于模型的诊断
- 专利标题： MODEL-BASED DIAGNOSTICS OF NOX SENSOR MALFUNCTION FOR SELECTIVE CATALYST REDUCTION SYSTEM
- 专利标题（中）： 用于选择性催化还原系统的NOX传感器故障的基于模型的诊断
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申请号： US12395790申请日： 2009-03-02
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公开(公告)号： US20100218487A1公开(公告)日： 2010-09-02
- 发明人: Yue-Yun Wang , Ognyan N. Yanakiev , Ibrahim Haskara
- 申请人： Yue-Yun Wang , Ognyan N. Yanakiev , Ibrahim Haskara
- 申请人地址： US MI Detroit
- 专利权人： GM GLOBAL TECHNOLOGY OPERATIONS, INC.
- 当前专利权人： GM GLOBAL TECHNOLOGY OPERATIONS, INC.
- 当前专利权人地址： US MI Detroit
- 主分类号： F01N3/20
- IPC分类号： F01N3/20 ; F01N9/00 ; F01N11/00 ; G01M15/10
摘要：
Methods and systems for detecting faults with nitrogen oxides sensors used to detect the presence of nitrogen oxides in an exhaust effluent gas stream emitted from a combustion engine during its operation include providing a virtual nitrogen oxides sensor measurement compared with actual nitrogen oxides content measured by nitrogen oxides sensors.
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