JP7488027B2 - エンジン制御装置 - Google Patents
エンジン制御装置 Download PDFInfo
- Publication number
- JP7488027B2 JP7488027B2 JP2019064340A JP2019064340A JP7488027B2 JP 7488027 B2 JP7488027 B2 JP 7488027B2 JP 2019064340 A JP2019064340 A JP 2019064340A JP 2019064340 A JP2019064340 A JP 2019064340A JP 7488027 B2 JP7488027 B2 JP 7488027B2
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- engine
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- engine control
- restricted
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- 238000005259 measurement Methods 0.000 claims description 54
- 230000005856 abnormality Effects 0.000 claims description 53
- 239000007789 gas Substances 0.000 description 35
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 13
- 239000003054 catalyst Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- 238000002485 combustion reaction Methods 0.000 description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- 230000004044 response Effects 0.000 description 7
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 6
- 239000004202 carbamide Substances 0.000 description 6
- 239000000446 fuel Substances 0.000 description 6
- 230000007257 malfunction Effects 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 239000013618 particulate matter Substances 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 230000008439 repair process Effects 0.000 description 4
- WTHDKMILWLGDKL-UHFFFAOYSA-N urea;hydrate Chemical compound O.NC(N)=O WTHDKMILWLGDKL-UHFFFAOYSA-N 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 208000032368 Device malfunction Diseases 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D21/00—Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas
- F02D21/06—Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas peculiar to engines having other non-fuel gas added to combustion air
- F02D21/08—Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas peculiar to engines having other non-fuel gas added to combustion air the other gas being the exhaust gas of engine
-
- 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
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/02—EGR systems specially adapted for supercharged engines
- F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
- F02M26/05—High pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust system upstream of the turbine and reintroduced into the intake system downstream of the compressor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D45/00—Electrical control not provided for in groups F02D41/00 - F02D43/00
-
- 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
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/49—Detecting, diagnosing or indicating an abnormal function of the EGR system
-
- 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
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D2041/227—Limping Home, i.e. taking specific engine control measures at abnormal conditions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2250/00—Engine control related to specific problems or objectives
- F02D2250/18—Control of the engine output torque
- F02D2250/26—Control of the engine output torque by applying a torque limit
-
- 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
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/0047—Controlling exhaust gas recirculation [EGR]
- F02D41/0065—Specific aspects of external EGR control
-
- 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)
- Combined Controls Of Internal Combustion Engines (AREA)
- Exhaust-Gas Circulating Devices (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
40 EGR装置
50 エンジン制御装置
55 異常判定部
56 制限運転部
57 制限解除運転部
58 計測部
59 カウント部
64 制限解除スイッチ(制限解除用操作部材)
Claims (7)
- 排気ガスの一部をEGRガスとして吸気側へ還流させるEGR装置を備えたエンジンを制御するエンジン制御装置において、
前記EGR装置に異常が発生しているか否かを判定する異常判定部と、
前記異常判定部が前記EGR装置に異常が発生していると判定した場合に、エンジン出力を制限した制限運転を行う制限運転部と、
前記制限運転の解除操作が行われた場合に、前記制限運転から、前記エンジン出力の制限を解除した制限解除運転に切り換えて、この制限解除運転を行う制限解除運転部と、
を備えることを特徴とするエンジン制御装置。 - 請求項1に記載のエンジン制御装置であって、
前記制限運転の解除操作が行われてからの経過時間を計測する計測部を備え、
前記制限運転の解除操作が行われた場合、前記計測部により計測された前記経過時間が所定時間に到達したとき、前記制限運転を再開することを特徴とするエンジン制御装置。 - 請求項2に記載のエンジン制御装置であって、
前記計測部は、前記経過時間を計測している前記制限解除運転中に前記エンジンが停止した場合に前記経過時間の計測を一時停止し、その後に前記エンジンが再始動した場合に前記経過時間の計測を再開することを特徴とするエンジン制御装置。 - 請求項3に記載のエンジン制御装置であって、
前記計測部は、前記経過時間を計測している前記制限解除運転中において、前記エンジンの停止のために前記エンジンのキースイッチがOFF操作されたときに前記経過時間の計測を一時停止し、その後に前記エンジンの再始動のために前記キースイッチがON操作されたときから前記経過時間の計測を再開することを特徴とするエンジン制御装置。 - 請求項1に記載のエンジン制御装置であって、
前記制限解除運転の実行時間が制限されており、
前記制限解除運転が終了すると前記制限運転を再開し、
前記制限運転から前記制限解除運転への切換は、前記制限運転の実行中に所定回数可能であることを特徴とするエンジン制御装置。 - 請求項1から5までの何れか一項に記載のエンジン制御装置であって、
前記制限運転に関する制限は、
前記制限運転の実行開始時点から所定の設定時間が経過するまでの期間でエンジン出力を制限する第1運転制限と、
前記所定の設定時間の経過後に、エンジン出力を前記第1運転制限により制限されるエンジン出力よりも低く制限する第2運転制限と、
を含むことを特徴とするエンジン制御装置。 - 請求項1から6までの何れか一項に記載のエンジン制御装置であって、
前記制限運転の解除操作を行うための制限解除用操作部材を備えることを特徴とするエンジン制御装置。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019064340A JP7488027B2 (ja) | 2019-03-28 | 2019-03-28 | エンジン制御装置 |
US17/598,352 US11988176B2 (en) | 2019-03-28 | 2020-02-10 | Engine control device |
PCT/JP2020/005131 WO2020195248A1 (ja) | 2019-03-28 | 2020-02-10 | エンジン制御装置 |
KR1020217016241A KR20210143157A (ko) | 2019-03-28 | 2020-02-10 | 엔진 제어 장치 |
CN202080014992.7A CN113454323A (zh) | 2019-03-28 | 2020-02-10 | 发动机控制装置 |
EP20779670.7A EP3951151A4 (en) | 2019-03-28 | 2020-02-10 | ENGINE CONTROL DEVICE |
JP2023092385A JP2023107846A (ja) | 2019-03-28 | 2023-06-05 | エンジン制御装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019064340A JP7488027B2 (ja) | 2019-03-28 | 2019-03-28 | エンジン制御装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2023092385A Division JP2023107846A (ja) | 2019-03-28 | 2023-06-05 | エンジン制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020165334A JP2020165334A (ja) | 2020-10-08 |
JP7488027B2 true JP7488027B2 (ja) | 2024-05-21 |
Family
ID=72610733
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019064340A Active JP7488027B2 (ja) | 2019-03-28 | 2019-03-28 | エンジン制御装置 |
JP2023092385A Pending JP2023107846A (ja) | 2019-03-28 | 2023-06-05 | エンジン制御装置 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2023092385A Pending JP2023107846A (ja) | 2019-03-28 | 2023-06-05 | エンジン制御装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US11988176B2 (ja) |
EP (1) | EP3951151A4 (ja) |
JP (2) | JP7488027B2 (ja) |
KR (1) | KR20210143157A (ja) |
CN (1) | CN113454323A (ja) |
WO (1) | WO2020195248A1 (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005207285A (ja) | 2004-01-21 | 2005-08-04 | Toyota Motor Corp | 内燃機関制御装置 |
JP2018119507A (ja) | 2017-01-27 | 2018-08-02 | トヨタ自動車株式会社 | エンジンシステム |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008075517A (ja) * | 2006-09-20 | 2008-04-03 | Denso Corp | 内燃機関の制御装置 |
JP4143868B1 (ja) * | 2007-02-27 | 2008-09-03 | 三菱自動車工業株式会社 | 内燃機関のegrシステム |
JP4277933B1 (ja) * | 2008-06-11 | 2009-06-10 | トヨタ自動車株式会社 | 内燃機関装置およびその制御方法並びに車両 |
US9945343B2 (en) * | 2014-01-22 | 2018-04-17 | Toyota Jidosha Kabushiki Kaisha | Engine control device and engine control method |
JP2015175265A (ja) | 2014-03-14 | 2015-10-05 | 株式会社クボタ | エンジンの尿素scrシステム |
JP6371384B2 (ja) * | 2014-05-20 | 2018-08-08 | 本田技研工業株式会社 | 異常判定装置 |
JP6007950B2 (ja) * | 2014-08-01 | 2016-10-19 | トヨタ自動車株式会社 | 内燃機関の制御システム |
JP6289325B2 (ja) * | 2014-09-19 | 2018-03-07 | ヤンマー株式会社 | エンジン制御装置及びエンジン |
-
2019
- 2019-03-28 JP JP2019064340A patent/JP7488027B2/ja active Active
-
2020
- 2020-02-10 CN CN202080014992.7A patent/CN113454323A/zh active Pending
- 2020-02-10 EP EP20779670.7A patent/EP3951151A4/en active Pending
- 2020-02-10 US US17/598,352 patent/US11988176B2/en active Active
- 2020-02-10 WO PCT/JP2020/005131 patent/WO2020195248A1/ja unknown
- 2020-02-10 KR KR1020217016241A patent/KR20210143157A/ko unknown
-
2023
- 2023-06-05 JP JP2023092385A patent/JP2023107846A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005207285A (ja) | 2004-01-21 | 2005-08-04 | Toyota Motor Corp | 内燃機関制御装置 |
JP2018119507A (ja) | 2017-01-27 | 2018-08-02 | トヨタ自動車株式会社 | エンジンシステム |
Also Published As
Publication number | Publication date |
---|---|
EP3951151A4 (en) | 2022-12-28 |
US20220163001A1 (en) | 2022-05-26 |
US11988176B2 (en) | 2024-05-21 |
CN113454323A (zh) | 2021-09-28 |
JP2020165334A (ja) | 2020-10-08 |
WO2020195248A1 (ja) | 2020-10-01 |
JP2023107846A (ja) | 2023-08-03 |
KR20210143157A (ko) | 2021-11-26 |
EP3951151A1 (en) | 2022-02-09 |
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