KR20100082601A - 촉매과열 방지 방법 - Google Patents
촉매과열 방지 방법 Download PDFInfo
- Publication number
- KR20100082601A KR20100082601A KR1020090001972A KR20090001972A KR20100082601A KR 20100082601 A KR20100082601 A KR 20100082601A KR 1020090001972 A KR1020090001972 A KR 1020090001972A KR 20090001972 A KR20090001972 A KR 20090001972A KR 20100082601 A KR20100082601 A KR 20100082601A
- Authority
- KR
- South Korea
- Prior art keywords
- temperature
- catalyst
- value
- catalyst temperature
- modeling
- Prior art date
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Classifications
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- 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
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
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- 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
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- 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
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D2041/0265—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to decrease temperature of the exhaust gas treating apparatus
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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
Description
Claims (3)
- 차량의 촉매온도를 측정하는 온도측정 단계;상기 촉매온도를 기 설정된 촉매온도 모델링 값과 맵핑하는 모델링 맵핑 단계;상기 모델링 값이 예정된 레벨의 기준온도 임계값 및 허용온도 임계값 이상인지 여부를 판별하는 임계값 비교 단계;판별결과에 따라 촉매과열 방지 로직을 실행하여 상응하는 연료분사량을 산출한 후, 상기 연료분사량을 분사하는 촉매온도 조절단계; 및상기 촉매온도가 상기 기준온도 임계값 이하로 측정되는 경우, 상기 분사를 중단하는 정상 촉매온도 유지단계를 포함하는 것을 특징으로 하는 촉매과열 방지 방법.
- 제 1 항에 있어서, 상기 촉매과열 방지 방법은상기 촉매온도가 상기 허용온도 임계값 이하로 측정되는 경우, 상기 연료분사량이 없으면 상기 분사를 중단하는 촉매온도 과열방지 단계를 더 포함하는 것을 특징으로 하는 촉매과열 방지 방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 연료분사량은상기 모델링 값과 상기 기준온도 임계값 간의 차이값에 상응하는 추가 연료 량을 포함하는 것을 특징으로 하는 촉매과열 방지 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090001972A KR101010456B1 (ko) | 2009-01-09 | 2009-01-09 | 촉매과열 방지 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090001972A KR101010456B1 (ko) | 2009-01-09 | 2009-01-09 | 촉매과열 방지 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20100082601A true KR20100082601A (ko) | 2010-07-19 |
KR101010456B1 KR101010456B1 (ko) | 2011-01-21 |
Family
ID=42642652
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020090001972A KR101010456B1 (ko) | 2009-01-09 | 2009-01-09 | 촉매과열 방지 방법 |
Country Status (1)
Country | Link |
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KR (1) | KR101010456B1 (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101160015B1 (ko) * | 2010-11-11 | 2012-06-25 | 주식회사 케피코 | 내연기관 엔진의 배기가스 온도 제어 방법 |
WO2017116060A1 (ko) * | 2015-12-29 | 2017-07-06 | 두산엔진주식회사 | 환원제 공급 시스템 및 이의 제어방법 |
CN111594301A (zh) * | 2020-05-13 | 2020-08-28 | 上海元城汽车技术有限公司 | 汽车排气***的温度控制方法、装置、汽车及存储介质 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3331758B2 (ja) * | 1994-07-25 | 2002-10-07 | 株式会社デンソー | 排出ガス浄化装置の温度制御装置 |
KR19980057205A (ko) * | 1996-12-30 | 1998-09-25 | 김영귀 | 압축 천연 가스 엔진의 촉매 온도 제어 방법 |
KR100507217B1 (ko) * | 2003-10-01 | 2005-08-10 | 현대자동차주식회사 | 차량의 촉매 온도 모델링 방법 |
EP1531250B1 (en) * | 2003-11-12 | 2008-01-02 | Toyota Jidosha Kabushiki Kaisha | Fuel injection control apparatus and fuel injection control method for internal combustion engine |
-
2009
- 2009-01-09 KR KR1020090001972A patent/KR101010456B1/ko active IP Right Grant
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101160015B1 (ko) * | 2010-11-11 | 2012-06-25 | 주식회사 케피코 | 내연기관 엔진의 배기가스 온도 제어 방법 |
WO2017116060A1 (ko) * | 2015-12-29 | 2017-07-06 | 두산엔진주식회사 | 환원제 공급 시스템 및 이의 제어방법 |
CN111594301A (zh) * | 2020-05-13 | 2020-08-28 | 上海元城汽车技术有限公司 | 汽车排气***的温度控制方法、装置、汽车及存储介质 |
CN111594301B (zh) * | 2020-05-13 | 2022-04-26 | 上海元城汽车技术有限公司 | 汽车排气***的温度控制方法、装置、汽车及存储介质 |
Also Published As
Publication number | Publication date |
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KR101010456B1 (ko) | 2011-01-21 |
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