JPWO2013076811A1 - 内燃機関の制御システム - Google Patents
内燃機関の制御システム Download PDFInfo
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- JPWO2013076811A1 JPWO2013076811A1 JP2013545687A JP2013545687A JPWO2013076811A1 JP WO2013076811 A1 JPWO2013076811 A1 JP WO2013076811A1 JP 2013545687 A JP2013545687 A JP 2013545687A JP 2013545687 A JP2013545687 A JP 2013545687A JP WO2013076811 A1 JPWO2013076811 A1 JP WO2013076811A1
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- fuel ratio
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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
- F02D41/30—Controlling fuel injection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
- F02D19/021—Control of components of the fuel supply system
- F02D19/023—Control of components of the fuel supply system to adjust the fuel mass or volume flow
- F02D19/024—Control of components of the fuel supply system to adjust the fuel mass or volume flow by controlling fuel injectors
-
- 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
- F02D41/0027—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures the fuel being gaseous
-
- 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
- F02D41/1456—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 with sensor output signal being linear or quasi-linear with the concentration of oxygen
-
- 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
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2425—Particular ways of programming the data
- F02D41/2429—Methods of calibrating or learning
- F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
- F02D41/2454—Learning of the air-fuel ratio control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0203—Variable control of intake and exhaust valves
- F02D13/0215—Variable control of intake and exhaust valves changing the valve timing only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
- F02D19/026—Measuring or estimating parameters related to the fuel supply system
- F02D19/027—Determining the fuel pressure, temperature or volume flow, the fuel tank fill level or a valve position
-
- 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
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0611—Fuel type, fuel composition or fuel quality
- F02D2200/0612—Fuel type, fuel composition or fuel quality determined by estimation
-
- 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
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0203—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels characterised by the type of gaseous fuel
- F02M21/0215—Mixtures of gaseous fuels; Natural gas; Biogas; Mine gas; Landfill gas
-
- 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
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0221—Fuel storage reservoirs, e.g. cryogenic tanks
-
- 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
- F02M26/01—Internal exhaust gas recirculation, i.e. wherein the residual exhaust gases are trapped in the cylinder or pushed back from the intake or the exhaust manifold into the combustion chamber without the use of additional passages
-
- 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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
Description
内燃機関で燃焼された混合気の空燃比と目標空燃比の偏差に基づいて燃料噴射量を補正するための空燃比フィードバック制御を実施する制御手段と、
前記空燃比フィードバック制御による補正値の絶対値が閾値以上であるときに、混合気の燃焼状態に係わる制御パラメータを補正する補正手段と、
を備えるようにした。
内燃機関で燃焼される混合気の空燃比と目標空燃比の偏差に応じて燃料噴射量を補正するめの空燃比フィードバック制御を実行する制御手段と、
前記空燃比フィードバック制御による補正値の絶対値が閾値未満であるときに、前記空燃比フィードバック制御による補正値の学習制御を実行する学習手段と、
前記空燃比フィードバック制御による補正値の絶対値が閾値以上であるときに、前記空燃比フィードバック制御により求められる燃料噴射量を補正する補正手段と、
を備えるようにしてもよい。
先ず、本発明の第1の実施例について図1乃至図4に基づいて説明する。図1は、本発明を適用する車輌の概略構成を示す図である。図1に示す車両は、CNGを使用する内燃機関が搭載された車両である。
etau=etp*ekaf*k・・・(1)
ekaf=(efaf+efgaf+100)/100・・・(2)
etau=etp*ekaf*ekin*k・・・(3)
ekin=(eknco2+100)/100・・・(4)
次に、本発明の第2の実施例について図5乃至図7に基づいて説明する。ここでは、前述した第1の実施例と異なる構成について説明し、同様の構成については説明を省略する。
2 燃料タンク
3 気筒
4 燃料噴射弁
5 吸気通路
6 排気通路
7 吸気絞り弁
8 吸気温度センサ
9 A/Fセンサ
10 圧力センサ
11 燃料供給管
12 充填口
13 インレットパイプ
14 ECU
100 車両
Claims (6)
- 圧縮天然ガスを使用する内燃機関の制御システムにおいて、
内燃機関で燃焼された混合気の空燃比と目標空燃比の偏差に基づいて燃料噴射量を補正するための空燃比フィードバック制御を実施する制御手段と、
前記空燃比フィードバック制御による補正値の絶対値が閾値以上であるときに、混合気の燃焼状態に係わる制御パラメータを補正する補正手段と、
を備える内燃機関の制御システム。 - 請求項1において、前記制御パラメータは、燃料噴射量であり、
前記制御手段は、前記空燃比フィードバック制御を実行する際に、内燃機関で燃焼された混合気の空燃比と目標空燃比の偏差に応じて決定される補正項である第1補正値と、圧縮天然ガスの性状に応じて決定される補正項である第2補正値を用いて燃料噴射量を決定し、
前記補正手段は、前記第1補正値の絶対値が前記閾値以上であるときに、前記第2補正値を変更することにより、燃料噴射量を補正する内燃機関の制御システム。 - 請求項2において、前記補正手段は、圧縮天然ガスに含まれる不活性ガス濃度が高いときは低いときに比べ、理論空燃比が低くなると同時にウォッペ指数が小さくなる関係に基づいて、前記第2補正値を変更する内燃機関の制御システム。
- 請求項2又は3において、前記制御手段は、前記補正手段により第2補正値が変更されたときに、第2補正値の変更分を前記第1補正値から減算する内燃機関の制御システム。
- 請求項2乃至4において、前記補正手段による燃料噴射量の補正は、前記空燃比フィードバック制御による補正値の学習制御に優先して実行される内燃機関の制御システム。
- 内燃機関で燃焼される混合気の空燃比と目標空燃比の偏差に応じて燃料噴射量を補正するめの空燃比フィードバック制御を実行する制御手段と、
前記空燃比フィードバック制御による補正値の絶対値が閾値未満であるときに、前記空燃比フィードバック制御による補正値の学習制御を実行する学習手段と、
前記空燃比フィードバック制御による補正値の絶対値が閾値以上であるときに、前記空燃比フィードバック制御により求められた燃料噴射量を補正する補正手段と、
を備える内燃機関の制御システム。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2011/076918 WO2013076811A1 (ja) | 2011-11-22 | 2011-11-22 | 内燃機関の制御システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2013076811A1 true JPWO2013076811A1 (ja) | 2015-04-27 |
JP5817842B2 JP5817842B2 (ja) | 2015-11-18 |
Family
ID=48469291
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2013545687A Active JP5817842B2 (ja) | 2011-11-22 | 2011-11-22 | 内燃機関の制御システム |
Country Status (6)
Country | Link |
---|---|
US (1) | US9562489B2 (ja) |
EP (1) | EP2784291A4 (ja) |
JP (1) | JP5817842B2 (ja) |
CN (1) | CN103946517B (ja) |
BR (1) | BR112014012330A2 (ja) |
WO (1) | WO2013076811A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6328918B2 (ja) * | 2013-11-29 | 2018-05-23 | トヨタ自動車株式会社 | 燃料噴射制御装置 |
JP6209982B2 (ja) | 2014-01-31 | 2017-10-11 | トヨタ自動車株式会社 | 内燃機関の制御システム |
AT515769A3 (de) * | 2014-05-09 | 2018-01-15 | Ge Jenbacher Gmbh & Co Og | Verbrennungsmotor und Verfahren zum Betrieb desselben |
JP6245223B2 (ja) * | 2014-06-30 | 2017-12-13 | トヨタ自動車株式会社 | 内燃機関の制御システム |
DE102014216874B4 (de) * | 2014-08-25 | 2018-02-22 | Mtu Friedrichshafen Gmbh | Verfahren zum Betreiben einer Brennkraftmaschine und Brennkraftmaschine |
KR102257750B1 (ko) * | 2017-09-06 | 2021-05-27 | 가부시키가이샤 아이에이치아이 | 엔진 제어 시스템 |
JP2019196718A (ja) * | 2018-05-08 | 2019-11-14 | いすゞ自動車株式会社 | 内燃機関及び内燃機関の制御方法 |
CN112392618B (zh) * | 2020-11-18 | 2023-05-23 | 潍柴动力股份有限公司 | 一种燃料喷射加电时间修正方法和装置 |
Citations (5)
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JP2001193571A (ja) * | 2000-01-12 | 2001-07-17 | Hitachi Ltd | 気体燃料エンジンの診断装置 |
JP2002357150A (ja) * | 2001-05-30 | 2002-12-13 | Suzuki Motor Corp | Cngエンジンの燃料噴射制御装置 |
JP2004092529A (ja) * | 2002-08-30 | 2004-03-25 | Toyota Motor Corp | 内燃機関の制御装置 |
JP2004346911A (ja) * | 2003-05-26 | 2004-12-09 | Toyota Motor Corp | Cngエンジンの燃料性状別制御方法 |
JP2005220860A (ja) * | 2004-02-09 | 2005-08-18 | Nikki Co Ltd | ガスエンジンの空燃比制御方法および装置 |
Family Cites Families (10)
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US4729359A (en) * | 1985-06-28 | 1988-03-08 | Japan Electronic Control Systems Co., Ltd. | Learning and control apparatus for electronically controlled internal combustion engine |
JP3581762B2 (ja) * | 1996-06-20 | 2004-10-27 | トヨタ自動車株式会社 | 内燃機関の空燃比制御装置 |
JP3191691B2 (ja) * | 1996-08-13 | 2001-07-23 | トヨタ自動車株式会社 | ガス燃料内燃機関の制御装置 |
JP3681041B2 (ja) * | 1999-02-16 | 2005-08-10 | 三菱電機株式会社 | 筒内噴射式内燃機関の制御装置 |
JP4365553B2 (ja) * | 2001-12-26 | 2009-11-18 | 株式会社日立製作所 | エンジンの燃料制御装置及びアイドリング時の空燃比制御方法 |
US7044103B2 (en) * | 2004-08-16 | 2006-05-16 | Dresser, Inc. | Fuel quantity modulation in pilot ignited engines |
JP2007046517A (ja) * | 2005-08-09 | 2007-02-22 | Mitsubishi Electric Corp | 内燃機関の制御装置 |
JP4755155B2 (ja) * | 2007-08-30 | 2011-08-24 | 三菱重工業株式会社 | ガスエンジンの統合制御方法及び装置 |
US8214129B2 (en) * | 2009-05-13 | 2012-07-03 | Ford Global Technologies, Llc | Distinguishing the fuel admitted to a fuel system |
WO2014094156A1 (en) * | 2012-12-22 | 2014-06-26 | Westport Power Inc. | Air-fuel ratio control in a multi-fuel internal combustion engine |
-
2011
- 2011-11-22 EP EP11876090.9A patent/EP2784291A4/en not_active Withdrawn
- 2011-11-22 JP JP2013545687A patent/JP5817842B2/ja active Active
- 2011-11-22 US US14/359,648 patent/US9562489B2/en active Active
- 2011-11-22 WO PCT/JP2011/076918 patent/WO2013076811A1/ja active Application Filing
- 2011-11-22 CN CN201180074974.9A patent/CN103946517B/zh not_active Expired - Fee Related
- 2011-11-22 BR BR112014012330A patent/BR112014012330A2/pt active Search and Examination
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001193571A (ja) * | 2000-01-12 | 2001-07-17 | Hitachi Ltd | 気体燃料エンジンの診断装置 |
JP2002357150A (ja) * | 2001-05-30 | 2002-12-13 | Suzuki Motor Corp | Cngエンジンの燃料噴射制御装置 |
JP2004092529A (ja) * | 2002-08-30 | 2004-03-25 | Toyota Motor Corp | 内燃機関の制御装置 |
JP2004346911A (ja) * | 2003-05-26 | 2004-12-09 | Toyota Motor Corp | Cngエンジンの燃料性状別制御方法 |
JP2005220860A (ja) * | 2004-02-09 | 2005-08-18 | Nikki Co Ltd | ガスエンジンの空燃比制御方法および装置 |
Also Published As
Publication number | Publication date |
---|---|
EP2784291A1 (en) | 2014-10-01 |
CN103946517B (zh) | 2016-08-31 |
WO2013076811A1 (ja) | 2013-05-30 |
BR112014012330A2 (pt) | 2017-05-30 |
JP5817842B2 (ja) | 2015-11-18 |
CN103946517A (zh) | 2014-07-23 |
US9562489B2 (en) | 2017-02-07 |
US20140303876A1 (en) | 2014-10-09 |
EP2784291A4 (en) | 2015-05-27 |
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