JP6844512B2 - 異常判定装置 - Google Patents

異常判定装置 Download PDF

Info

Publication number
JP6844512B2
JP6844512B2 JP2017224942A JP2017224942A JP6844512B2 JP 6844512 B2 JP6844512 B2 JP 6844512B2 JP 2017224942 A JP2017224942 A JP 2017224942A JP 2017224942 A JP2017224942 A JP 2017224942A JP 6844512 B2 JP6844512 B2 JP 6844512B2
Authority
JP
Japan
Prior art keywords
abnormality
exhaust
temperature
gasoline engine
particulate filter
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.)
Expired - Fee Related
Application number
JP2017224942A
Other languages
English (en)
Japanese (ja)
Other versions
JP2019094841A5 (enExample
JP2019094841A (ja
Inventor
真吾 中田
真吾 中田
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.)
Denso Corp
Original Assignee
Denso Corp
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 Denso Corp filed Critical Denso Corp
Priority to JP2017224942A priority Critical patent/JP6844512B2/ja
Priority to CN201880074736.XA priority patent/CN111373127B/zh
Priority to PCT/JP2018/035470 priority patent/WO2019102707A1/ja
Priority to DE112018005946.4T priority patent/DE112018005946T5/de
Publication of JP2019094841A publication Critical patent/JP2019094841A/ja
Publication of JP2019094841A5 publication Critical patent/JP2019094841A5/ja
Application granted granted Critical
Publication of JP6844512B2 publication Critical patent/JP6844512B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • 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
    • F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus 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
    • F01N2430/00—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics
    • 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
    • F01N2550/04—Filtering activity of particulate filters
    • 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
    • F01N2560/06—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
    • 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
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/08—Parameters used for exhaust control or diagnosing said parameters being related to the engine
    • 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
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
    • F01N2900/1404—Exhaust gas temperature
    • 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
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
    • F02D41/062—Introducing corrections for particular operating conditions for engine starting or warming up for starting
    • F02D41/064—Introducing corrections for particular operating conditions for engine starting or warming up for starting at cold start
    • 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
    • F02D41/1446—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 exhaust temperatures
    • 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)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Processes For Solid Components From Exhaust (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
JP2017224942A 2017-11-22 2017-11-22 異常判定装置 Expired - Fee Related JP6844512B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2017224942A JP6844512B2 (ja) 2017-11-22 2017-11-22 異常判定装置
CN201880074736.XA CN111373127B (zh) 2017-11-22 2018-09-25 异常判定装置
PCT/JP2018/035470 WO2019102707A1 (ja) 2017-11-22 2018-09-25 異常判定装置
DE112018005946.4T DE112018005946T5 (de) 2017-11-22 2018-09-25 Anomalie-Bestimmungsvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017224942A JP6844512B2 (ja) 2017-11-22 2017-11-22 異常判定装置

Publications (3)

Publication Number Publication Date
JP2019094841A JP2019094841A (ja) 2019-06-20
JP2019094841A5 JP2019094841A5 (enExample) 2020-01-16
JP6844512B2 true JP6844512B2 (ja) 2021-03-17

Family

ID=66631440

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017224942A Expired - Fee Related JP6844512B2 (ja) 2017-11-22 2017-11-22 異常判定装置

Country Status (4)

Country Link
JP (1) JP6844512B2 (enExample)
CN (1) CN111373127B (enExample)
DE (1) DE112018005946T5 (enExample)
WO (1) WO2019102707A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7447823B2 (ja) * 2021-01-07 2024-03-12 トヨタ自動車株式会社 エンジン制御装置
JP7605183B2 (ja) * 2022-06-10 2024-12-24 トヨタ自動車株式会社 内燃機関の制御装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4238788B2 (ja) * 2004-06-21 2009-03-18 トヨタ自動車株式会社 パティキュレートフィルタ異常判定方法
JP4985071B2 (ja) * 2007-04-13 2012-07-25 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP5173577B2 (ja) * 2008-05-15 2013-04-03 トヨタ自動車株式会社 パティキュレートフィルタ異常判定方法
JP2010112254A (ja) * 2008-11-06 2010-05-20 Toyota Motor Corp パティキュレートフィルタの異常判定システム
JP5040958B2 (ja) * 2009-05-26 2012-10-03 トヨタ自動車株式会社 フィルタの故障検出システム

Also Published As

Publication number Publication date
CN111373127A (zh) 2020-07-03
WO2019102707A1 (ja) 2019-05-31
CN111373127B (zh) 2022-02-11
JP2019094841A (ja) 2019-06-20
DE112018005946T5 (de) 2020-08-13

Similar Documents

Publication Publication Date Title
EP2516824B1 (en) Particulate filter regeneration assist transition period
EP2516829B1 (en) Control of the common-rail pressure during the continuous regeneration of a catalyzed diesel particulate filter (dpf)
US8631643B2 (en) Regeneration assist delay period
JP6229542B2 (ja) 排気浄化触媒の劣化診断方法及び劣化診断装置
US10364716B2 (en) Exhaust gas control apparatus for internal combustion engine and exhaust gas control method for internal combustion engine
US20110197580A1 (en) System and method for estimating airflow restriction of an engine air filter
US11149616B2 (en) Control device for internal combustion engine
US20110146245A1 (en) Sulfur detection routine
US7631491B2 (en) Method and system for passive regeneration of compression ignition engine exhaust filters
JPH10121947A (ja) 少なくとも１つのシリンダを持つ内燃機関の排気系内の触媒コンバータのミッドベッド温度を見積もる方法
JP2008267237A (ja) 内燃機関の二次空気供給装置
JPH07166843A (ja) 内燃機関の排気管に設けられた触媒装置のライトオフ挙動を監視する方法
US20150013311A1 (en) Method for the load dependent reduction of fuel consumption following deceleration fuel cut out
CN104956048A (zh) 可变压缩比内燃机的控制装置以及控制方法
JP2004515686A (ja) シリンダ圧力に基く高度なエンジン制御の方法及びシステム
EP2305977A1 (en) Abnormality determination system for filter
JP6844512B2 (ja) 異常判定装置
EP2143919B1 (en) Particulate filter regeneration system
US7093430B2 (en) Method and device for implementing a method for ascertaining the load condition of a component arranged in an exhaust-gas region of an internal combustion engine
JP5880592B2 (ja) 排気浄化装置の異常検出装置
JP5299560B2 (ja) 内燃機関の排気装置
JP2006183493A (ja) 内燃機関の制御装置
JP2009114869A (ja) 内燃機関の排気還流診断装置
JP4736797B2 (ja) 内燃機関の診断装置及び診断方法
JP2005155442A (ja) 排気浄化装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20191128

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20200324

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20210126

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20210208

R151 Written notification of patent or utility model registration

Ref document number: 6844512

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees