JP6583313B2 - 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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- JP6583313B2 JP6583313B2 JP2017037322A JP2017037322A JP6583313B2 JP 6583313 B2 JP6583313 B2 JP 6583313B2 JP 2017037322 A JP2017037322 A JP 2017037322A JP 2017037322 A JP2017037322 A JP 2017037322A JP 6583313 B2 JP6583313 B2 JP 6583313B2
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- Prior art keywords
- compression ratio
- target
- egr
- engine
- egr gas
- 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
- F02D15/00—Varying compression ratio
- F02D15/04—Varying compression ratio by alteration of volume of compression space without changing piston stroke
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/04—Engines with variable distances between pistons at top dead-centre positions and cylinder heads
- F02B75/041—Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of cylinder or cylinderhead positioning
-
- 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]
- F02D41/005—Controlling exhaust gas recirculation [EGR] according to engine operating conditions
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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
- F02D41/0025—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
- F02D41/0072—Estimating, calculating or determining the EGR rate, amount or flow
-
- 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]
- F02D41/0077—Control of the EGR valve or actuator, e.g. duty cycle, closed loop control of position
-
- 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
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
- F02D41/1402—Adaptive control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D15/00—Varying compression ratio
- F02D15/02—Varying compression ratio by alteration or displacement of piston stroke
-
- 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
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/1002—Output torque
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2700/00—Mechanical control of speed or power of a single cylinder piston engine
- F02D2700/03—Controlling by changing the compression ratio
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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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Description
図1は、本発明の第1実施形態による内燃機関100及び内燃機関100を制御する電子制御ユニット200の概略構成図である。図2は、内燃機関100の機関本体1の断面図である。
次に、本発明の第2実施形態について説明する。本実施形態は、圧縮比制御の内容が、実EGR率rReに基づいてEGRガス導入時の目標圧縮比tεonを補正する点で、第1実施形態と相違する。以下、この相違点を中心に説明する。
3 吸気装置
A 可変圧縮比機構
100 内燃機関
200 電子制御ユニット(制御装置)
Claims (4)
- 機関本体と、
前記機関本体の機械圧縮比を変更可能に構成された可変圧縮比機構と、
前記機関本体の燃焼室から排出された排気を前記機関本体の吸気通路に還流させることができるように構成された吸気装置と、
を備える内燃機関を制御するための内燃機関の制御装置であって、
前記機械圧縮比が目標圧縮比となるように前記可変圧縮比機構を制御する圧縮比制御部を備え、
前記圧縮比制御部は、
機関低負荷側の所定の運転領域において排気の還流が行われているときの実圧縮比を、排気の還流が行われていないときの前記実圧縮比よりも低くするために、機関低負荷側の所定の運転領域において排気の還流が行われているときは、排気の還流が行われていないときよりも前記目標圧縮比を低い値に設定する、
内燃機関の制御装置。 - 前記圧縮比制御部は、
機関高負荷側の所定の運転領域において排気の還流が行われているときは、排気の還流が行われていないときよりも前記目標圧縮比を高い値に設定する、
請求項1に記載の内燃機関の制御装置。 - 排気の還流率が目標還流率となるように前記吸気装置を制御する排気還流制御部と、
排気の実際の還流率を推定する実還流率推定部と、
をさらに備え、
前記圧縮比制御部は、
排気の還流を開始するときは、排気の還流率が増加して前記目標還流率に収束するまでの間、実際の還流率に基づいて前記目標圧縮比を補正する、
請求項1又は請求項2に記載の内燃機関の制御装置。 - 前記圧縮比制御部は、
実際の還流率が前記目標還流率よりも低いときほど、機関低負荷側の所定の運転領域においては前記目標圧縮比が高くなるように補正し、機関高負荷側の所定の運転領域においては前記目標圧縮比が低くなるように補正する、
請求項3に記載の内燃機関の制御装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017037322A JP6583313B2 (ja) | 2017-02-28 | 2017-02-28 | 内燃機関の制御装置 |
CN201810160158.3A CN108506102A (zh) | 2017-02-28 | 2018-02-26 | 内燃机的控制装置 |
US15/905,042 US10975778B2 (en) | 2017-02-28 | 2018-02-26 | Control device for internal combustion engine |
DE102018104463.1A DE102018104463A1 (de) | 2017-02-28 | 2018-02-27 | Steuerungsvorrichtung für einen Verbrennungsmotor |
Applications Claiming Priority (1)
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---|---|---|---|
JP2017037322A JP6583313B2 (ja) | 2017-02-28 | 2017-02-28 | 内燃機関の制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018141442A JP2018141442A (ja) | 2018-09-13 |
JP6583313B2 true JP6583313B2 (ja) | 2019-10-02 |
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JP2017037322A Active JP6583313B2 (ja) | 2017-02-28 | 2017-02-28 | 内燃機関の制御装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10975778B2 (ja) |
JP (1) | JP6583313B2 (ja) |
CN (1) | CN108506102A (ja) |
DE (1) | DE102018104463A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6691498B2 (ja) * | 2017-03-17 | 2020-04-28 | 本田技研工業株式会社 | 内燃機関の制御装置 |
EP3620637B1 (en) * | 2017-05-01 | 2021-03-10 | Nissan Motor Co., Ltd. | Control method for internal combustion engine and control device for internal combustion engine |
US10415493B2 (en) * | 2017-10-19 | 2019-09-17 | Ford Global Technologies, Llc | System and method for variable compression ratio engine |
CN115045764B (zh) * | 2022-06-23 | 2024-06-14 | 中国第一汽车股份有限公司 | 发动机压缩比的控制系统及控制方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3994783B2 (ja) * | 2002-04-19 | 2007-10-24 | 日産自動車株式会社 | 内燃機関の制御装置 |
JP4046086B2 (ja) * | 2004-01-21 | 2008-02-13 | トヨタ自動車株式会社 | 可変圧縮比内燃機関 |
US7380540B1 (en) * | 2007-01-29 | 2008-06-03 | Caterpillar Inc. | Dynamic control of a homogeneous charge compression ignition engine |
RU2496019C2 (ru) * | 2009-02-12 | 2013-10-20 | Тойота Дзидося Кабусики Кайся | Двигатель внутреннего сгорания с зажиганием искрового типа |
JP5494553B2 (ja) * | 2011-04-15 | 2014-05-14 | トヨタ自動車株式会社 | 火花点火式内燃機関 |
DE102012221743A1 (de) * | 2012-11-28 | 2014-05-28 | Robert Bosch Gmbh | Verfahren zum Steuern eines Verbrennungsmotors |
CN103206304A (zh) * | 2013-03-28 | 2013-07-17 | 优华劳斯汽车系统(上海)有限公司 | 一种对置活塞对置气缸自由活塞式发动机的进气系统 |
WO2014188755A1 (ja) * | 2013-05-22 | 2014-11-27 | 日産自動車株式会社 | 内燃機関の制御装置および制御方法 |
JP6323263B2 (ja) * | 2014-09-01 | 2018-05-16 | 日産自動車株式会社 | 可変圧縮比内燃機関の制御装置および制御方法 |
JP6408419B2 (ja) * | 2015-04-17 | 2018-10-17 | 日立オートモティブシステムズ株式会社 | 内燃機関の圧縮比調整装置 |
CN106224093B (zh) * | 2016-07-28 | 2018-08-31 | 中北大学 | 一种液力调节式可变压缩比发动机 |
-
2017
- 2017-02-28 JP JP2017037322A patent/JP6583313B2/ja active Active
-
2018
- 2018-02-26 CN CN201810160158.3A patent/CN108506102A/zh active Pending
- 2018-02-26 US US15/905,042 patent/US10975778B2/en active Active
- 2018-02-27 DE DE102018104463.1A patent/DE102018104463A1/de active Pending
Also Published As
Publication number | Publication date |
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JP2018141442A (ja) | 2018-09-13 |
CN108506102A (zh) | 2018-09-07 |
US20180245522A1 (en) | 2018-08-30 |
US10975778B2 (en) | 2021-04-13 |
DE102018104463A1 (de) | 2018-08-30 |
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