JP6579121B2 - 内燃機関の制御装置 - Google Patents
内燃機関の制御装置 Download PDFInfo
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- JP6579121B2 JP6579121B2 JP2017010739A JP2017010739A JP6579121B2 JP 6579121 B2 JP6579121 B2 JP 6579121B2 JP 2017010739 A JP2017010739 A JP 2017010739A JP 2017010739 A JP2017010739 A JP 2017010739A JP 6579121 B2 JP6579121 B2 JP 6579121B2
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- fuel
- temperature
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- fuel ratio
- catalyst
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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
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
- F02D41/068—Introducing corrections for particular operating conditions for engine starting or warming up for warming-up
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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
- F02D41/024—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus
- F02D41/025—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus by changing the composition of the exhaust gas, e.g. for exothermic reaction on 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
- 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
- F01N3/101—Three-way catalysts
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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
- F01N9/00—Electrical control of exhaust gas treating apparatus
-
- 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
- F02D41/12—Introducing corrections for particular operating conditions for deceleration
- F02D41/123—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off
-
- 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
- F02D41/1454—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 an oxygen content or concentration or the air-fuel ratio
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M27/00—Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sound waves, or the like
- F02M27/02—Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sound waves, or the like by catalysts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P9/00—Electric spark ignition control, not otherwise provided for
- F02P9/002—Control of spark intensity, intensifying, lengthening, suppression
-
- 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
- F01N2430/06—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by varying fuel-air ratio, e.g. by enriching fuel-air mixture
-
- 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
- F01N2900/1402—Exhaust gas composition
-
- 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
- F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
- F01N2900/1602—Temperature of exhaust gas apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/08—Exhaust gas treatment apparatus parameters
- F02D2200/0802—Temperature of the exhaust gas treatment apparatus
-
- 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
- F02D41/008—Controlling each cylinder individually
-
- 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
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
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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
- Y02T10/12—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
Description
20 エンジン(内燃機関)
31 三元触媒(触媒)
50 ECU(内燃機関の制御装置、昇温処理部、昇温処理判定部、燃料カット要求判定部、触媒温度判定部、及び燃料カット実行部)
Claims (2)
- 内燃機関が有する複数の気筒のうち少なくとも一の前記気筒での空燃比を理論空燃比よりも小さいリッチ空燃比に制御し、残りの他の前記気筒での空燃比を前記理論空燃比よりも大きいリーン空燃比に制御し、燃料への点火を実行して、前記気筒からの排気を浄化する触媒を昇温させる昇温処理を実行する昇温処理部と、
前記昇温処理の実行中であるか否かを判定する昇温処理判定部と、
前記昇温処理の実行中に前記内燃機関の燃料噴射を停止させる燃料カットの要求があるか否かを判定する燃料カット要求判定部と、
前記触媒の温度に相関するパラメータが前記触媒の温度が閾値以上であることを示しているか否かを判定する触媒温度判定部と、
を備え、
前記昇温処理部は、前記昇温処理の実行中に前記燃料カット要求があり前記触媒の温度が前記閾値以上の場合に、燃料への点火を禁止しつつ燃料の噴射を継続して、前記昇温処理を継続し、
前記昇温処理部は、前記リッチ空燃比と前記リーン空燃比との差分を、燃料への点火が禁止される場合の方が燃料への点火が実行される場合よりも小さく制御する、内燃機関の制御装置。 - 前記パラメータが前記触媒の温度が前記閾値未満であることを示している場合に、前記昇温処理を禁止して燃料カットを実行する燃料カット実行部を備えている、請求項1の内燃機関の制御装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017010739A JP6579121B2 (ja) | 2017-01-24 | 2017-01-24 | 内燃機関の制御装置 |
US15/875,255 US10309327B2 (en) | 2017-01-24 | 2018-01-19 | Control device for internal combustion engine |
CN201810059710.XA CN108457758B (zh) | 2017-01-24 | 2018-01-22 | 用于内燃机的控制装置 |
DE102018101433.3A DE102018101433B4 (de) | 2017-01-24 | 2018-01-23 | Steuerungsvorrichtung für einen Verbrennungsmotor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017010739A JP6579121B2 (ja) | 2017-01-24 | 2017-01-24 | 内燃機関の制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018119447A JP2018119447A (ja) | 2018-08-02 |
JP6579121B2 true JP6579121B2 (ja) | 2019-09-25 |
Family
ID=62813028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017010739A Active JP6579121B2 (ja) | 2017-01-24 | 2017-01-24 | 内燃機関の制御装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10309327B2 (ja) |
JP (1) | JP6579121B2 (ja) |
CN (1) | CN108457758B (ja) |
DE (1) | DE102018101433B4 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018154142A (ja) * | 2017-03-15 | 2018-10-04 | トヨタ自動車株式会社 | ハイブリッド自動車 |
US20190376460A1 (en) * | 2018-06-08 | 2019-12-12 | GM Global Technology Operations LLC | Remedial action for invalid particulate filter soot |
JP7107081B2 (ja) * | 2018-08-07 | 2022-07-27 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JP7020338B2 (ja) | 2018-08-07 | 2022-02-16 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JP7107080B2 (ja) * | 2018-08-07 | 2022-07-27 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JP7091922B2 (ja) * | 2018-08-07 | 2022-06-28 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
US11131226B2 (en) * | 2019-07-23 | 2021-09-28 | Caterpillar Inc. | Method and system for thermal control of aftertreatment |
JP7052785B2 (ja) * | 2019-10-09 | 2022-04-12 | トヨタ自動車株式会社 | ハイブリッド車両およびその制御方法 |
JP7234996B2 (ja) * | 2020-04-10 | 2023-03-08 | トヨタ自動車株式会社 | エンジン装置およびこれを備えるハイブリッド自動車 |
CN112267929B (zh) * | 2020-10-16 | 2022-01-21 | 潍柴动力股份有限公司 | 节省三元催化器贵金属用量的方法、尾气处理系统及车辆 |
US20230126002A1 (en) * | 2021-10-25 | 2023-04-27 | Transportation Ip Holdings, Llc | Methods and systems for diagnosing engine cylinders |
US11873774B2 (en) * | 2021-10-27 | 2024-01-16 | Ford Global Technologies, Llc | Method and system for reactivating a catalyst |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004218541A (ja) * | 2003-01-15 | 2004-08-05 | Toyota Motor Corp | 内燃機関の制御装置 |
JP2008095542A (ja) * | 2006-10-06 | 2008-04-24 | Toyota Motor Corp | 内燃機関の制御装置 |
JP2009174443A (ja) * | 2008-01-25 | 2009-08-06 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
JP2012057492A (ja) | 2010-09-06 | 2012-03-22 | Denso Corp | 触媒暖機制御装置 |
AT512922B1 (de) * | 2012-10-24 | 2013-12-15 | Ge Jenbacher Gmbh & Co Og | Verbrennungsmotor |
JP5780257B2 (ja) * | 2013-03-22 | 2015-09-16 | トヨタ自動車株式会社 | 多気筒内燃機関の気筒間空燃比ばらつき異常検出装置 |
JP2015031166A (ja) * | 2013-07-31 | 2015-02-16 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
US9708993B2 (en) * | 2015-02-04 | 2017-07-18 | Ford Global Technologies, Llc | Method and system for exhaust catalyst warming |
-
2017
- 2017-01-24 JP JP2017010739A patent/JP6579121B2/ja active Active
-
2018
- 2018-01-19 US US15/875,255 patent/US10309327B2/en not_active Expired - Fee Related
- 2018-01-22 CN CN201810059710.XA patent/CN108457758B/zh not_active Expired - Fee Related
- 2018-01-23 DE DE102018101433.3A patent/DE102018101433B4/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE102018101433B4 (de) | 2020-10-08 |
JP2018119447A (ja) | 2018-08-02 |
US10309327B2 (en) | 2019-06-04 |
US20180209363A1 (en) | 2018-07-26 |
CN108457758A (zh) | 2018-08-28 |
CN108457758B (zh) | 2021-04-06 |
DE102018101433A1 (de) | 2018-07-26 |
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