CN107023367A - 一种柴油机scr系统氨气输入传感器故障诊断和容错控制方法 - Google Patents
一种柴油机scr系统氨气输入传感器故障诊断和容错控制方法 Download PDFInfo
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- CN107023367A CN107023367A CN201710197274.8A CN201710197274A CN107023367A CN 107023367 A CN107023367 A CN 107023367A CN 201710197274 A CN201710197274 A CN 201710197274A CN 107023367 A CN107023367 A CN 107023367A
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 238000003745 diagnosis Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 31
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 22
- 229910000069 nitrogen hydride Inorganic materials 0.000 claims abstract description 122
- 230000008859 change Effects 0.000 claims abstract description 12
- 230000003044 adaptive effect Effects 0.000 claims abstract description 10
- 238000005259 measurement Methods 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 14
- 238000004364 calculation method Methods 0.000 claims description 6
- 230000036632 reaction speed Effects 0.000 claims description 3
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 230000004913 activation Effects 0.000 claims description 2
- 238000000205 computational method Methods 0.000 claims description 2
- 238000003795 desorption Methods 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 230000009467 reduction Effects 0.000 claims description 2
- 230000002045 lasting effect Effects 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000004044 response Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010531 catalytic reduction reaction Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- WTHDKMILWLGDKL-UHFFFAOYSA-N urea;hydrate Chemical compound O.NC(N)=O WTHDKMILWLGDKL-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
- F01N3/2073—Selective catalytic reduction [SCR] with means for generating a reducing substance from the exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
- F01N2560/021—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting ammonia NH3
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
- F02D2041/1413—Controller structures or design
- F02D2041/1415—Controller structures or design using a state feedback or a state space representation
- F02D2041/1417—Kalman filter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D2041/1468—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an ammonia content or concentration of the exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D2041/1468—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an ammonia content or concentration of the exhaust gases
- F02D2041/1469—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an ammonia content or concentration of the exhaust gases with determination means using an estimation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
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CN201710197274.8A CN107023367B (zh) | 2017-03-29 | 2017-03-29 | 一种柴油机scr系统氨气输入传感器故障诊断和容错控制方法 |
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CN201710197274.8A CN107023367B (zh) | 2017-03-29 | 2017-03-29 | 一种柴油机scr系统氨气输入传感器故障诊断和容错控制方法 |
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CN107023367A true CN107023367A (zh) | 2017-08-08 |
CN107023367B CN107023367B (zh) | 2019-04-12 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108386262A (zh) * | 2018-03-05 | 2018-08-10 | 北京航空航天大学 | 一种柴油机串联scr系统氨气覆盖率与存储量观测方法 |
CN109799802A (zh) * | 2018-12-06 | 2019-05-24 | 郑州大学 | 一种分子量分布控制中传感器故障诊断与容错控制方法 |
CN110273737A (zh) * | 2019-04-10 | 2019-09-24 | 武汉理工大学 | 柴油机后处理系统催化器热失效容错控制方法及其装置 |
CN115059532A (zh) * | 2022-07-14 | 2022-09-16 | 东风商用车有限公司 | 颗粒捕集器载体孔道损坏诊断方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101600863A (zh) * | 2007-02-02 | 2009-12-09 | 博世株式会社 | Nox传感器的故障诊断装置以及故障诊断方法 |
CN102052132A (zh) * | 2009-10-29 | 2011-05-11 | 通用汽车环球科技运作公司 | 催化剂起燃过程中用于检测故障的方法和系统 |
CN104975923A (zh) * | 2015-06-09 | 2015-10-14 | 上海海事大学 | 一种柴油机scr系统输入状态的观测方法及观测系统 |
CN104989503A (zh) * | 2015-06-09 | 2015-10-21 | 上海海事大学 | 一种柴油机SCR系统NOx输出浓度的观测方法及观测系统 |
US9494073B2 (en) * | 2010-09-24 | 2016-11-15 | Robert Bosch Gmbh | Method and device for monitoring the function of an exhaust-gas sensor |
US20170037758A1 (en) * | 2010-05-03 | 2017-02-09 | Cummins Inc. | Ammonia sensor control, with nox feedback, of an scr aftertreatment system |
-
2017
- 2017-03-29 CN CN201710197274.8A patent/CN107023367B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101600863A (zh) * | 2007-02-02 | 2009-12-09 | 博世株式会社 | Nox传感器的故障诊断装置以及故障诊断方法 |
CN102052132A (zh) * | 2009-10-29 | 2011-05-11 | 通用汽车环球科技运作公司 | 催化剂起燃过程中用于检测故障的方法和系统 |
US20170037758A1 (en) * | 2010-05-03 | 2017-02-09 | Cummins Inc. | Ammonia sensor control, with nox feedback, of an scr aftertreatment system |
US9494073B2 (en) * | 2010-09-24 | 2016-11-15 | Robert Bosch Gmbh | Method and device for monitoring the function of an exhaust-gas sensor |
CN104975923A (zh) * | 2015-06-09 | 2015-10-14 | 上海海事大学 | 一种柴油机scr系统输入状态的观测方法及观测系统 |
CN104989503A (zh) * | 2015-06-09 | 2015-10-21 | 上海海事大学 | 一种柴油机SCR系统NOx输出浓度的观测方法及观测系统 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108386262A (zh) * | 2018-03-05 | 2018-08-10 | 北京航空航天大学 | 一种柴油机串联scr系统氨气覆盖率与存储量观测方法 |
CN108386262B (zh) * | 2018-03-05 | 2020-11-06 | 北京航空航天大学 | 一种柴油机串联scr系统氨气覆盖率与存储量观测方法 |
CN109799802A (zh) * | 2018-12-06 | 2019-05-24 | 郑州大学 | 一种分子量分布控制中传感器故障诊断与容错控制方法 |
CN109799802B (zh) * | 2018-12-06 | 2021-06-25 | 郑州大学 | 一种分子量分布控制中传感器故障诊断与容错控制方法 |
CN110273737A (zh) * | 2019-04-10 | 2019-09-24 | 武汉理工大学 | 柴油机后处理系统催化器热失效容错控制方法及其装置 |
CN115059532A (zh) * | 2022-07-14 | 2022-09-16 | 东风商用车有限公司 | 颗粒捕集器载体孔道损坏诊断方法 |
CN115059532B (zh) * | 2022-07-14 | 2023-05-12 | 东风商用车有限公司 | 颗粒捕集器载体孔道损坏诊断方法 |
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Address after: 200082 Room 287, Block B, 2nd Floor, Building 64, No. 1436, Jungong Road, Yangpu District, Shanghai Patentee after: Shanghai Fushen Power Technology Co.,Ltd. Country or region after: China Address before: Room 287, Block B, Floor 2, Building 64, No. 1436, Jungong Road, Yangpu District, Shanghai, 200000 Patentee before: Shanghai Fushen Marine Technology Co.,Ltd. Country or region before: China |