CN107035490A - 一种柴油机scr系统氮氧化物输入传感器故障诊断方法 - Google Patents
一种柴油机scr系统氮氧化物输入传感器故障诊断方法 Download PDFInfo
- Publication number
- CN107035490A CN107035490A CN201710196866.8A CN201710196866A CN107035490A CN 107035490 A CN107035490 A CN 107035490A CN 201710196866 A CN201710196866 A CN 201710196866A CN 107035490 A CN107035490 A CN 107035490A
- Authority
- CN
- China
- Prior art keywords
- nox
- input
- concentration
- nox input
- fault diagnosis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 30
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000003745 diagnosis Methods 0.000 claims abstract description 38
- 230000008859 change Effects 0.000 claims abstract description 11
- 238000000205 computational method Methods 0.000 claims abstract description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 50
- 238000006243 chemical reaction Methods 0.000 claims description 21
- 229910021529 ammonia Inorganic materials 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 14
- 238000005259 measurement Methods 0.000 claims description 9
- 229910000069 nitrogen hydride Inorganic materials 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 4
- 230000003044 adaptive effect Effects 0.000 claims description 3
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 claims description 2
- 230000004913 activation Effects 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
- 230000002045 lasting effect Effects 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 claims 1
- 230000004044 response Effects 0.000 abstract description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- 239000004202 carbamide Substances 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
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000007921 spray Substances 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]
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/04—Methods of control or diagnosing
-
- 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)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710196866.8A CN107035490B (zh) | 2017-03-29 | 2017-03-29 | 一种柴油机scr系统氮氧化物输入传感器故障诊断方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710196866.8A CN107035490B (zh) | 2017-03-29 | 2017-03-29 | 一种柴油机scr系统氮氧化物输入传感器故障诊断方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107035490A true CN107035490A (zh) | 2017-08-11 |
CN107035490B CN107035490B (zh) | 2019-04-12 |
Family
ID=59534637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710196866.8A Active CN107035490B (zh) | 2017-03-29 | 2017-03-29 | 一种柴油机scr系统氮氧化物输入传感器故障诊断方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107035490B (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108776274A (zh) * | 2018-06-05 | 2018-11-09 | 重庆大学 | 一种基于自适应滤波的风电变流器故障诊断 |
CN108825344A (zh) * | 2018-06-08 | 2018-11-16 | 无锡威孚力达催化净化器有限责任公司 | 一种NOx传感器测量值合理性判断方法及装置 |
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 |
CN114152880A (zh) * | 2022-02-08 | 2022-03-08 | 湖南大学 | 一种软包电池传感器故障在线检测方法 |
Citations (7)
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 |
CN101845982A (zh) * | 2009-03-02 | 2010-09-29 | 通用汽车环球科技运作公司 | 选择催化还原系统的nox传感器故障的基于模型的诊断 |
CN101845983A (zh) * | 2009-03-16 | 2010-09-29 | 通用汽车环球科技运作公司 | 对选择性催化还原系统所用温度传感器的车上诊断 |
US20140360166A1 (en) * | 2013-06-10 | 2014-12-11 | Cummins Emission Solutions, Inc. | Systems and methods for nox sensor diagnostics |
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 |
JP2015214899A (ja) * | 2014-05-08 | 2015-12-03 | いすゞ自動車株式会社 | 排気浄化システム |
-
2017
- 2017-03-29 CN CN201710196866.8A patent/CN107035490B/zh active Active
Patent Citations (7)
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 |
CN101845982A (zh) * | 2009-03-02 | 2010-09-29 | 通用汽车环球科技运作公司 | 选择催化还原系统的nox传感器故障的基于模型的诊断 |
CN101845983A (zh) * | 2009-03-16 | 2010-09-29 | 通用汽车环球科技运作公司 | 对选择性催化还原系统所用温度传感器的车上诊断 |
US20140360166A1 (en) * | 2013-06-10 | 2014-12-11 | Cummins Emission Solutions, Inc. | Systems and methods for nox sensor diagnostics |
JP2015214899A (ja) * | 2014-05-08 | 2015-12-03 | いすゞ自動車株式会社 | 排気浄化システム |
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 |
Non-Patent Citations (2)
Title |
---|
ERMINGCAO,KAIJIANG: "Adaptive unscented Kalman filter for input estimations in Diesel-engine selective catalytic reduction systems", 《NEUROCOMPUTING》 * |
KAIJIANG,ERMINGCAO,LIJIANGWE: "NOx sensor ammonia cross-sensitivity estimation with adaptive unscented Kalman filter for Diesel-engine selective catalytic reduction systems", 《FUEL》 * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108776274A (zh) * | 2018-06-05 | 2018-11-09 | 重庆大学 | 一种基于自适应滤波的风电变流器故障诊断 |
CN108776274B (zh) * | 2018-06-05 | 2020-09-08 | 重庆大学 | 一种基于自适应滤波的风电变流器故障诊断 |
CN108825344A (zh) * | 2018-06-08 | 2018-11-16 | 无锡威孚力达催化净化器有限责任公司 | 一种NOx传感器测量值合理性判断方法及装置 |
CN108825344B (zh) * | 2018-06-08 | 2020-12-15 | 无锡威孚力达催化净化器有限责任公司 | 一种NOx传感器测量值合理性判断方法及装置 |
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 |
CN114152880A (zh) * | 2022-02-08 | 2022-03-08 | 湖南大学 | 一种软包电池传感器故障在线检测方法 |
CN114152880B (zh) * | 2022-02-08 | 2022-04-12 | 湖南大学 | 一种软包电池传感器故障在线检测方法 |
Also Published As
Publication number | Publication date |
---|---|
CN107035490B (zh) | 2019-04-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107035490B (zh) | 一种柴油机scr系统氮氧化物输入传感器故障诊断方法 | |
Hsieh et al. | An extended Kalman filter for NO x sensor ammonia cross-sensitivity elimination in selective catalytic reduction applications | |
CN100451307C (zh) | 控制还原剂喷入内燃机废气中的方法 | |
CN100456010C (zh) | 基于压力信号拐点检测油气管道泄漏的方法 | |
CN112112716B (zh) | 一种scr系统尿素溶液浓度异常的诊断方法 | |
CN107023367B (zh) | 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 | |
CN112879136B (zh) | 一种基于瞬态工况评价尿素结晶风险的方法及其装置 | |
CN108425730A (zh) | 柴油机scr后处理系统的obd诊断及处理方法 | |
CN104234802A (zh) | 基于NOx反馈和储氨预测的SCR催化器老化判定方法 | |
US20160010529A1 (en) | Apparatus, method, and system for diagnosing reductant delivery performance | |
CN110821621B (zh) | 用于监测scr催化器的方法 | |
CN111801489B (zh) | 使用双压差传感器改善的烟灰负载估计 | |
Hsieh et al. | An extended Kalman filter for ammonia coverage ratio and capacity estimations in the application of Diesel engine SCR control and onboard diagnosis | |
CN112879137B (zh) | 一种基于稳态工况评价尿素结晶风险的方法及其装置 | |
JP7432291B2 (ja) | アンモニアセンサーを無くしたソフトウェアアルゴリズムによるアンモニア過剰の動的検出方法 | |
CN101246467A (zh) | 自适应阈值检漏结合多尺度快速时延搜索的泄漏定位方法 | |
CN104975923B (zh) | 一种柴油机scr系统输入状态的观测方法及观测系统 | |
CN113062792B (zh) | 一种scr故障诊断方法、装置、存储介质和电子设备 | |
CN104989503A (zh) | 一种柴油机SCR系统NOx输出浓度的观测方法及观测系统 | |
CN113356988B (zh) | 一种Urea-SCR系统尿素结晶风险的在线诊断方法 | |
CN102235219A (zh) | 用于估计内燃机排气中no2浓度的方法 | |
JP7143299B2 (ja) | 選択的触媒還元システムのための方法及び装置 | |
JP5754000B2 (ja) | 脱硝触媒の劣化予測方法、劣化対策方法、劣化対策システム及び排ガス処理システムの設計方法 | |
CN110211643A (zh) | 一种柴油机scr系统氨覆盖度与进气氨气浓度的估算方法 | |
CN102330592B (zh) | 用于柴油发动机的废气排放后处理的设备和方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210519 Address after: No. 533, Luoshan Road, Pudong New Area, Shanghai, 200136 Patentee after: Shanghai Yurong Shipbuilding Technology Co.,Ltd. Address before: 100191 No. 37, Haidian District, Beijing, Xueyuan Road Patentee before: BEIHANG University |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230309 Address after: Room 287, Block B, Floor 2, Building 64, No. 1436, Jungong Road, Yangpu District, Shanghai, 200000 Patentee after: Shanghai Fushen Marine Technology Co.,Ltd. Address before: No. 533, Luoshan Road, Pudong New Area, Shanghai, 200136 Patentee before: Shanghai Yurong Shipbuilding Technology Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
CP03 | Change of name, title or address |
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 |
|
CP03 | Change of name, title or address |