CN119213203A - 内燃机的控制方法以及控制装置 - Google Patents

内燃机的控制方法以及控制装置 Download PDF

Info

Publication number
CN119213203A
CN119213203A CN202280096182.XA CN202280096182A CN119213203A CN 119213203 A CN119213203 A CN 119213203A CN 202280096182 A CN202280096182 A CN 202280096182A CN 119213203 A CN119213203 A CN 119213203A
Authority
CN
China
Prior art keywords
oxygen storage
storage capacity
way catalyst
internal combustion
combustion engine
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.)
Pending
Application number
CN202280096182.XA
Other languages
English (en)
Chinese (zh)
Inventor
木村民一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Publication of CN119213203A publication Critical patent/CN119213203A/zh
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N11/00Monitoring or diagnostic devices for exhaust-gas treatment apparatus
    • F01N11/007Monitoring or diagnostic devices for exhaust-gas treatment apparatus the diagnostic devices measuring oxygen or air concentration downstream of the exhaust apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/101Three-way catalysts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2550/00Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/02Catalytic activity of catalytic converters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2560/00Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/025Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting O2, e.g. lambda sensors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2560/00Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/14Exhaust systems with means for detecting or measuring exhaust gas components or characteristics having more than one sensor of one kind
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2900/00Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/04Methods of control or diagnosing
    • F01N2900/0412Methods of control or diagnosing using pre-calibrated maps, tables or charts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2900/00Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06Parameters used for exhaust control or diagnosing
    • F01N2900/08Parameters used for exhaust control or diagnosing said parameters being related to the engine
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2900/00Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06Parameters used for exhaust control or diagnosing
    • F01N2900/14Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
    • F01N2900/1411Exhaust gas flow rate, e.g. mass flow rate or volumetric flow rate
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2900/00Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06Parameters used for exhaust control or diagnosing
    • F01N2900/16Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1624Catalyst oxygen storage capacity
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
CN202280096182.XA 2022-06-10 2022-06-10 内燃机的控制方法以及控制装置 Pending CN119213203A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/023392 WO2023238361A1 (ja) 2022-06-10 2022-06-10 内燃機関の制御方法および制御装置

Publications (1)

Publication Number Publication Date
CN119213203A true CN119213203A (zh) 2024-12-27

Family

ID=89117823

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280096182.XA Pending CN119213203A (zh) 2022-06-10 2022-06-10 内燃机的控制方法以及控制装置

Country Status (5)

Country Link
US (1) US12529330B2 (https=)
EP (1) EP4538508A1 (https=)
JP (1) JP7740546B2 (https=)
CN (1) CN119213203A (https=)
WO (1) WO2023238361A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023223504A1 (ja) * 2022-05-19 2023-11-23 日産自動車株式会社 三元触媒の酸素ストレージ量制御方法および装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2843879B2 (ja) * 1993-01-22 1999-01-06 本田技研工業株式会社 内燃エンジンの触媒劣化検出装置
JP2001329832A (ja) 2000-05-22 2001-11-30 Unisia Jecs Corp 内燃機関の触媒劣化診断装置
CN103249927B (zh) 2010-12-24 2015-07-22 丰田自动车株式会社 内燃机的控制装置
DE102016114901A1 (de) * 2016-08-11 2018-02-15 Volkswagen Aktiengesellschaft Diagnoseverfahren und Vorrichtung zur Überprüfung der Funktionsfähigkeit einer Komponente zur Abgasnachbehandlung

Also Published As

Publication number Publication date
US12529330B2 (en) 2026-01-20
US20250354513A1 (en) 2025-11-20
EP4538508A1 (en) 2025-04-16
WO2023238361A1 (ja) 2023-12-14
JP7740546B2 (ja) 2025-09-17
JPWO2023238361A1 (https=) 2023-12-14

Similar Documents

Publication Publication Date Title
CN101578435B (zh) 催化剂的老化诊断装置
JP2010185325A (ja) NOx触媒の劣化診断装置
JP2009191694A (ja) 内燃機関の排気浄化装置
US6484493B2 (en) Exhaust emission control device for internal combustion engine
CN108884774A (zh) 催化剂诊断装置
JP2016136011A (ja) 内燃機関の制御装置
JP6251143B2 (ja) 火花点火エンジンの制御装置
JP3988518B2 (ja) 内燃機関の排ガス浄化装置
CN113175387B (zh) 下游侧空燃比检测装置的异常诊断装置
US20020007627A1 (en) Exhaust emission control system for internal combustion engine
JP2017003298A (ja) NOxセンサの出力補正装置
US12529330B2 (en) Control method and control device for internal combustion engine
JP2010255490A (ja) 触媒異常診断装置
JP4237202B2 (ja) 空燃比フィードバック制御装置
JP2009150367A (ja) 内燃機関の触媒劣化診断装置
JP4352651B2 (ja) 内燃機関の異常判定装置
JP2019116876A (ja) センサ診断システム
JP4411755B2 (ja) 排気浄化触媒の劣化状態診断装置
EP4582678B1 (en) Air-fuel ratio control method and device for internal combustion engine
JP4510709B2 (ja) 触媒劣化判定装置
JP3318702B2 (ja) 内燃機関の触媒劣化診断装置
JP7718589B2 (ja) 三元触媒の酸素ストレージ量制御方法および装置
JP4688897B2 (ja) 内燃機関の排気浄化装置
JP4450233B2 (ja) 内燃機関の排気空燃比推定装置
WO2019017316A1 (ja) 排気浄化システム

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