CN108952901A - 基于双NOx传感器的SCR催化剂老化修正方法 - Google Patents
基于双NOx传感器的SCR催化剂老化修正方法 Download PDFInfo
- Publication number
- CN108952901A CN108952901A CN201810724842.XA CN201810724842A CN108952901A CN 108952901 A CN108952901 A CN 108952901A CN 201810724842 A CN201810724842 A CN 201810724842A CN 108952901 A CN108952901 A CN 108952901A
- Authority
- CN
- China
- Prior art keywords
- nox
- engine
- scr catalyst
- aging
- value
- 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
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
- 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]
- F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
-
- 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
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
- F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
-
- 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
- F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
- F01N2550/02—Catalytic activity of catalytic converters
-
- 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
- F01N2560/026—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting NOx
-
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- 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
- F01N2900/0411—Methods of control or diagnosing using a feed-forward control
-
- 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
- F01N2900/0416—Methods of control or diagnosing using the state of a sensor, e.g. of an exhaust gas sensor
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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 (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810724842.XA CN108952901B (zh) | 2018-07-04 | 2018-07-04 | 基于双NOx传感器的SCR催化剂老化修正方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810724842.XA CN108952901B (zh) | 2018-07-04 | 2018-07-04 | 基于双NOx传感器的SCR催化剂老化修正方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108952901A true CN108952901A (zh) | 2018-12-07 |
CN108952901B CN108952901B (zh) | 2019-12-27 |
Family
ID=64485388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810724842.XA Active CN108952901B (zh) | 2018-07-04 | 2018-07-04 | 基于双NOx传感器的SCR催化剂老化修正方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108952901B (zh) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110259552A (zh) * | 2019-06-28 | 2019-09-20 | 潍柴动力股份有限公司 | 车辆尾气处理结果的检测方法及装置 |
CN110823585A (zh) * | 2019-11-06 | 2020-02-21 | 清华大学 | 基于obd远程排放监控数据的重型车尾气中nox排放因子获取方法 |
CN110905637A (zh) * | 2019-11-28 | 2020-03-24 | 上海星融汽车科技有限公司 | Scr系统催化器工作效率实时检测提醒方法 |
CN110985174A (zh) * | 2019-12-17 | 2020-04-10 | 凯龙高科技股份有限公司 | 一种scr系统转化效率监控系统及方法 |
CN111648873A (zh) * | 2020-05-08 | 2020-09-11 | 潍柴动力股份有限公司 | 基于scr温度梯度控制发动机限扭的方法、装置及系统 |
CN111648871A (zh) * | 2020-05-08 | 2020-09-11 | 潍柴动力股份有限公司 | 控制发动机限扭的方法、装置及系统 |
CN111830190A (zh) * | 2020-07-23 | 2020-10-27 | 安徽江淮汽车集团股份有限公司 | 氧化型催化器标定方法、装置、设备及存储介质 |
CN112832889A (zh) * | 2021-01-08 | 2021-05-25 | 广西玉柴机器股份有限公司 | 一种发动机使用高硫柴油的诊断方法及相关装置 |
CN113803134A (zh) * | 2020-06-11 | 2021-12-17 | 卓品智能科技无锡有限公司 | 一种选择性催化还原反应器的老化修正方法 |
CN114483273A (zh) * | 2022-01-28 | 2022-05-13 | 潍柴动力股份有限公司 | 一种排放管理方法、装置及系统 |
CN115199388A (zh) * | 2021-04-08 | 2022-10-18 | 北汽福田汽车股份有限公司 | 车辆催化器的催化转化效率检测方法、装置及车辆 |
CN115753146A (zh) * | 2023-01-06 | 2023-03-07 | 潍柴动力股份有限公司 | 检测车辆NOx排放量超标方法、装置、设备及存储介质 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101798947A (zh) * | 2009-01-16 | 2010-08-11 | 通用汽车环球科技运作公司 | SCR NOx转化效率监测器的诊断启用条件稳健设计 |
CN103277177A (zh) * | 2013-06-19 | 2013-09-04 | 潍柴动力股份有限公司 | 一种scr老化修正方法、装置及系统 |
CN104005824A (zh) * | 2014-05-27 | 2014-08-27 | 潍柴动力股份有限公司 | 一种scr排放控制系统及方法 |
US20150040540A1 (en) * | 2012-03-21 | 2015-02-12 | Avl List Gmbh | Method for Operating an Internal Combustion Engine |
CN106593596A (zh) * | 2016-12-29 | 2017-04-26 | 无锡威孚力达催化净化器有限责任公司 | Scr系统闭环控制计算方法 |
-
2018
- 2018-07-04 CN CN201810724842.XA patent/CN108952901B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101798947A (zh) * | 2009-01-16 | 2010-08-11 | 通用汽车环球科技运作公司 | SCR NOx转化效率监测器的诊断启用条件稳健设计 |
US20150040540A1 (en) * | 2012-03-21 | 2015-02-12 | Avl List Gmbh | Method for Operating an Internal Combustion Engine |
CN103277177A (zh) * | 2013-06-19 | 2013-09-04 | 潍柴动力股份有限公司 | 一种scr老化修正方法、装置及系统 |
CN104005824A (zh) * | 2014-05-27 | 2014-08-27 | 潍柴动力股份有限公司 | 一种scr排放控制系统及方法 |
CN106593596A (zh) * | 2016-12-29 | 2017-04-26 | 无锡威孚力达催化净化器有限责任公司 | Scr系统闭环控制计算方法 |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110259552A (zh) * | 2019-06-28 | 2019-09-20 | 潍柴动力股份有限公司 | 车辆尾气处理结果的检测方法及装置 |
CN110823585A (zh) * | 2019-11-06 | 2020-02-21 | 清华大学 | 基于obd远程排放监控数据的重型车尾气中nox排放因子获取方法 |
CN110905637A (zh) * | 2019-11-28 | 2020-03-24 | 上海星融汽车科技有限公司 | Scr系统催化器工作效率实时检测提醒方法 |
CN110985174B (zh) * | 2019-12-17 | 2021-12-31 | 凯龙高科技股份有限公司 | 一种scr系统转化效率监控系统及方法 |
CN110985174A (zh) * | 2019-12-17 | 2020-04-10 | 凯龙高科技股份有限公司 | 一种scr系统转化效率监控系统及方法 |
CN111648873B (zh) * | 2020-05-08 | 2022-07-15 | 潍柴动力股份有限公司 | 基于scr上游温度梯度控制发动机限扭的方法、装置及系统 |
CN111648871A (zh) * | 2020-05-08 | 2020-09-11 | 潍柴动力股份有限公司 | 控制发动机限扭的方法、装置及系统 |
CN111648871B (zh) * | 2020-05-08 | 2022-09-23 | 潍柴动力股份有限公司 | 控制发动机限扭的方法、装置及系统 |
CN111648873A (zh) * | 2020-05-08 | 2020-09-11 | 潍柴动力股份有限公司 | 基于scr温度梯度控制发动机限扭的方法、装置及系统 |
CN113803134A (zh) * | 2020-06-11 | 2021-12-17 | 卓品智能科技无锡有限公司 | 一种选择性催化还原反应器的老化修正方法 |
CN111830190A (zh) * | 2020-07-23 | 2020-10-27 | 安徽江淮汽车集团股份有限公司 | 氧化型催化器标定方法、装置、设备及存储介质 |
CN111830190B (zh) * | 2020-07-23 | 2021-05-11 | 安徽江淮汽车集团股份有限公司 | 氧化型催化器标定方法、装置、设备及存储介质 |
CN112832889A (zh) * | 2021-01-08 | 2021-05-25 | 广西玉柴机器股份有限公司 | 一种发动机使用高硫柴油的诊断方法及相关装置 |
CN115199388A (zh) * | 2021-04-08 | 2022-10-18 | 北汽福田汽车股份有限公司 | 车辆催化器的催化转化效率检测方法、装置及车辆 |
CN115199388B (zh) * | 2021-04-08 | 2023-09-12 | 北汽福田汽车股份有限公司 | 车辆催化器的催化转化效率检测方法、装置及车辆 |
CN114483273A (zh) * | 2022-01-28 | 2022-05-13 | 潍柴动力股份有限公司 | 一种排放管理方法、装置及系统 |
CN114483273B (zh) * | 2022-01-28 | 2023-08-18 | 潍柴动力股份有限公司 | 一种排放管理方法、装置及系统 |
CN115753146A (zh) * | 2023-01-06 | 2023-03-07 | 潍柴动力股份有限公司 | 检测车辆NOx排放量超标方法、装置、设备及存储介质 |
CN115753146B (zh) * | 2023-01-06 | 2023-05-23 | 潍柴动力股份有限公司 | 检测车辆NOx排放量超标方法、装置、设备及存储介质 |
Also Published As
Publication number | Publication date |
---|---|
CN108952901B (zh) | 2019-12-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108952901A (zh) | 基于双NOx传感器的SCR催化剂老化修正方法 | |
CN101900025B (zh) | 检测尿素罐中无尿素还原剂的系统和方法 | |
CN109944666B (zh) | 一种基于模型的scr系统还原剂供给量自适应修正方法 | |
EP2539560B1 (en) | Systems and methods for determining a particulate load in a particulate filter | |
US8051645B2 (en) | Determination of diesel particulate filter load under both transient and steady state drive cycles | |
US9752488B2 (en) | Systems and methods of an on-board NOx monitor reset test | |
EP3368754B1 (en) | Method and system for diagnosing an aftertreatment system | |
US20110232265A1 (en) | Approach for Detecting Reductant Availability and Make-Up | |
US20100101213A1 (en) | On-board-diagnosis method for an exhaust aftertreatment system and on-board-diagnosis system for an exhaust aftertreatment system | |
CN110761881B (zh) | 一种scr效率的诊断方法 | |
JP2004517249A (ja) | 排気ガス後処理システムを制御するための方法および装置 | |
WO2006081598A2 (de) | Verfahren zur diagnose eines abgasnachbehandlungssystems | |
CN104126060B (zh) | 用于计算选择性还原催化剂的入口处no2含量的方法以及用于实施此方法的装置 | |
US10371071B2 (en) | Systems and methods for non-intrusive closed-loop combustion control of internal combustion engines | |
CN102016250A (zh) | 用于还原SCR催化器上的NOx排放物的装置、系统和方法 | |
CN110821621A (zh) | 用于监测scr催化器的方法 | |
CN110273737B (zh) | 柴油机后处理系统催化器热失效容错控制方法及其装置 | |
DE102018103842A1 (de) | Virtueller Dieselabgasfluid (DEF)-Qualitätsmonitor | |
CN108716430B (zh) | 用于监控机动车的内燃机的流体式的计量系统的计量阀的体积流量的方法 | |
GB2456060A (en) | Filter regeneration | |
CN112664302A (zh) | 一种柴油机后处理系统催化剂中毒的监控方法 | |
CN104061049A (zh) | 被动选择性催化还原系统的三元催化器中的按需制氨技术 | |
CN113514169B (zh) | 一种scr系统下游温度传感器可信性故障诊断方法 | |
CN110821622A (zh) | 用于监测scr催化器的方法 | |
CN113550835B (zh) | 污染物排放控制方法、系统和存储介质及行车电脑、车辆 |
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 | ||
CB03 | Change of inventor or designer information |
Inventor after: Zhong Xianglin Inventor after: Zheng Xuelong Inventor after: Gao Jidong Inventor after: Liu Shuangxi Inventor after: Li Zhenguo Inventor after: Ren Xiaoning Inventor after: Shao Yuankai Inventor after: Li Ke Inventor before: Zhong Xianglin Inventor before: Zheng Xuelong |
|
CB03 | Change of inventor or designer information | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230404 Address after: 300300 68 pioneer East Road, Dongli District, Tianjin Patentee after: CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER Co.,Ltd. Patentee after: CATARC AUTOMOTIVE TEST CENTER (TIANJIN) Co.,Ltd. Address before: 300300 68 pioneer East Road, Dongli District, Tianjin Patentee before: CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER Co.,Ltd. Patentee before: CATARC (TIANJIN) AUTOMOTIVE ENGINEERING RESEARCH INSTITUTE Co.,Ltd. |
|
TR01 | Transfer of patent right |