JP2008274883A - 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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- JP2008274883A JP2008274883A JP2007120949A JP2007120949A JP2008274883A JP 2008274883 A JP2008274883 A JP 2008274883A JP 2007120949 A JP2007120949 A JP 2007120949A JP 2007120949 A JP2007120949 A JP 2007120949A JP 2008274883 A JP2008274883 A JP 2008274883A
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- fuel
- 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
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
- F02D35/023—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining the cylinder pressure
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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
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—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 pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/08—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 pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
- F02D19/082—Premixed fuels, i.e. emulsions or blends
- F02D19/084—Blends of gasoline and alcohols, e.g. E85
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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
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—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 pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/08—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 pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
- F02D19/082—Premixed fuels, i.e. emulsions or blends
- F02D19/085—Control based on the fuel type or composition
- F02D19/087—Control based on the fuel type or composition with determination of densities, viscosities, composition, concentration or mixture ratios of fuels
- F02D19/088—Control based on the fuel type or composition with determination of densities, viscosities, composition, concentration or mixture ratios of fuels by estimation, i.e. without using direct measurements of a corresponding sensor
-
- 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
- F02D41/222—Safety or indicating devices for abnormal conditions relating to the failure of sensors or parameter detection devices
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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
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—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 pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0623—Failure diagnosis or prevention; Safety measures; Testing
-
- 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
- F02D19/06—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 pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0663—Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02D19/0686—Injectors
- F02D19/0689—Injectors for in-cylinder direct injection
-
- 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
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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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
【解決手段】空燃比が目標ストイキ空燃比に近づくように燃料噴射量を制御する空燃比制御手段を有する内燃機関の制御装置において、燃料の低位発熱量を算出する手段と、低位発熱量とストイキ空燃比との既知の関係(図2)に基づいて、前記算出した低位発熱量から前記目標ストイキ空燃比を設定する手段と、を更に備える。発熱量とストイキ空燃比との関係を利用して、燃料性状に応じた空燃比制御を行うことが可能になる。
【選択図】図2
Description
3 燃焼室
14 クランク角センサ
15 筒内圧センサ
16 吸気圧センサ
20 ECU
Ve 排気弁
Vi 吸気弁
VM 動弁機構
Claims (4)
- 空燃比が目標ストイキ空燃比に近づくように燃料噴射量を制御する空燃比制御手段を有する内燃機関の制御装置において、
燃料の低位発熱量を算出する手段と、
低位発熱量とストイキ空燃比との既知の関係に基づいて、前記算出した低位発熱量から前記目標ストイキ空燃比を設定する手段と、
を更に備えたことを特徴とする内燃機関の制御装置。 - 請求項1に記載の内燃機関の制御装置において、
前記燃料の低位発熱量を算出する手段は、筒内圧検出値に基づいて算出された熱発生量を用いて低位発熱量を算出することを特徴とする内燃機関の制御装置。 - 排ガスの空燃比検出値に基づいてストイキ空燃比を算出する手段を有する内燃機関の制御装置において、
低位発熱量とストイキ空燃比との既知の関係に基づいて、前記算出されたストイキ空燃比から燃料の低位発熱量を算出する手段を更に備えたことを特徴とする内燃機関の制御装置。 - 請求項3に記載の内燃機関の制御装置において、
筒内圧検出値に基づいて低位発熱量を算出する手段と、
ストイキ空燃比に基づいて算出した低位発熱量の値と、筒内圧検出値に基づいて算出した低位発熱量の値との比較に基づいて、前記筒内圧検出値に基づいて低位発熱量を算出する手段および前記排ガスの空燃比検出値に基づいてストイキ空燃比を算出する手段のうち少なくとも一方を診断する診断手段と、
を更に備えたことを特徴とする内燃機関の制御装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007120949A JP2008274883A (ja) | 2007-05-01 | 2007-05-01 | 内燃機関の制御装置 |
BRPI0805810-5A BRPI0805810A2 (pt) | 2007-05-01 | 2008-04-30 | dispositivo de controle para motor de combustão interna |
PCT/IB2008/001068 WO2008146108A1 (en) | 2007-05-01 | 2008-04-30 | Control device for internal combustion engine |
EP08750863A EP2142781B1 (en) | 2007-05-01 | 2008-04-30 | Control device for internal combustion engine |
US12/516,358 US8286610B2 (en) | 2007-05-01 | 2008-04-30 | Control device for internal combustion engine |
CN2008800007569A CN101675229B (zh) | 2007-05-01 | 2008-04-30 | 内燃机控制装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007120949A JP2008274883A (ja) | 2007-05-01 | 2007-05-01 | 内燃機関の制御装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011193176A Division JP5177269B2 (ja) | 2011-09-05 | 2011-09-05 | 内燃機関の制御装置 |
Publications (1)
Publication Number | Publication Date |
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JP2008274883A true JP2008274883A (ja) | 2008-11-13 |
Family
ID=39735471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007120949A Pending JP2008274883A (ja) | 2007-05-01 | 2007-05-01 | 内燃機関の制御装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8286610B2 (ja) |
EP (1) | EP2142781B1 (ja) |
JP (1) | JP2008274883A (ja) |
CN (1) | CN101675229B (ja) |
BR (1) | BRPI0805810A2 (ja) |
WO (1) | WO2008146108A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2010133329A (ja) * | 2008-12-04 | 2010-06-17 | Toyota Motor Corp | 筒内圧センサの異常診断装置 |
JP2012149587A (ja) * | 2011-01-20 | 2012-08-09 | Toyota Motor Corp | 筒内圧センサ異常検出装置 |
KR20160028820A (ko) * | 2014-09-04 | 2016-03-14 | 한국기계연구원 | 공연비를 이용한 차량 엔진의 출력 향상 제어 방법 |
JP2021088943A (ja) * | 2019-12-02 | 2021-06-10 | マツダ株式会社 | エンジンの制御装置 |
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JP4477644B2 (ja) * | 2007-01-23 | 2010-06-09 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
US20110295090A1 (en) | 2008-12-04 | 2011-12-01 | Searete Llc, A Limited Liability Corporation Of The State Of Delaware | Systems, devices, and methods including implantable devices with anti-microbial properties |
FR2942320B1 (fr) * | 2009-02-16 | 2011-02-11 | Peugeot Citroen Automobiles Sa | Procede de determination du pouvoir calorifique inferieur d'un carburant |
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2007
- 2007-05-01 JP JP2007120949A patent/JP2008274883A/ja active Pending
-
2008
- 2008-04-30 EP EP08750863A patent/EP2142781B1/en not_active Expired - Fee Related
- 2008-04-30 BR BRPI0805810-5A patent/BRPI0805810A2/pt not_active Application Discontinuation
- 2008-04-30 CN CN2008800007569A patent/CN101675229B/zh not_active Expired - Fee Related
- 2008-04-30 US US12/516,358 patent/US8286610B2/en not_active Expired - Fee Related
- 2008-04-30 WO PCT/IB2008/001068 patent/WO2008146108A1/en active Application Filing
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JPS6488153A (en) * | 1987-09-29 | 1989-04-03 | Mitsubishi Electric Corp | Fuel property detecting device for internal combustion engine |
JPH041438A (ja) * | 1990-04-17 | 1992-01-06 | Hitachi Ltd | 内燃機関制御装置 |
JP2907594B2 (ja) * | 1991-08-07 | 1999-06-21 | 株式会社日立製作所 | エンジン制御システム |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010133329A (ja) * | 2008-12-04 | 2010-06-17 | Toyota Motor Corp | 筒内圧センサの異常診断装置 |
JP2012149587A (ja) * | 2011-01-20 | 2012-08-09 | Toyota Motor Corp | 筒内圧センサ異常検出装置 |
KR20160028820A (ko) * | 2014-09-04 | 2016-03-14 | 한국기계연구원 | 공연비를 이용한 차량 엔진의 출력 향상 제어 방법 |
KR101683235B1 (ko) | 2014-09-04 | 2016-12-06 | 한국기계연구원 | 차량 엔진의 출력 향상 제어 방법 |
JP2021088943A (ja) * | 2019-12-02 | 2021-06-10 | マツダ株式会社 | エンジンの制御装置 |
JP7354806B2 (ja) | 2019-12-02 | 2023-10-03 | マツダ株式会社 | エンジンの制御装置 |
Also Published As
Publication number | Publication date |
---|---|
EP2142781A1 (en) | 2010-01-13 |
WO2008146108A1 (en) | 2008-12-04 |
EP2142781B1 (en) | 2011-05-25 |
BRPI0805810A2 (pt) | 2011-08-30 |
US20100049422A1 (en) | 2010-02-25 |
CN101675229A (zh) | 2010-03-17 |
US8286610B2 (en) | 2012-10-16 |
CN101675229B (zh) | 2013-08-14 |
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