JP5240416B2 - 内燃機関の制御装置 - Google Patents
内燃機関の制御装置 Download PDFInfo
- Publication number
- JP5240416B2 JP5240416B2 JP2012530004A JP2012530004A JP5240416B2 JP 5240416 B2 JP5240416 B2 JP 5240416B2 JP 2012530004 A JP2012530004 A JP 2012530004A JP 2012530004 A JP2012530004 A JP 2012530004A JP 5240416 B2 JP5240416 B2 JP 5240416B2
- Authority
- JP
- Japan
- Prior art keywords
- fuel ratio
- air
- torque
- target air
- amount
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 36
- 239000000446 fuel Substances 0.000 claims abstract description 163
- 230000008859 change Effects 0.000 claims abstract description 72
- 239000003054 catalyst Substances 0.000 claims abstract description 65
- 230000006866 deterioration Effects 0.000 claims abstract description 33
- 238000002347 injection Methods 0.000 claims description 15
- 239000007924 injection Substances 0.000 claims description 15
- 230000002040 relaxant effect Effects 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 abstract description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 23
- 229910052760 oxygen Inorganic materials 0.000 description 23
- 239000001301 oxygen Substances 0.000 description 23
- 238000000034 method Methods 0.000 description 18
- 239000007789 gas Substances 0.000 description 14
- 230000008569 process Effects 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 229920006395 saturated elastomer Polymers 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000006722 reduction reaction Methods 0.000 description 3
- 238000000137 annealing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000002123 temporal 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
- 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
-
- 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
- F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
-
- 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
- F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
-
- 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
-
- 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
Description
4 スロットル
6 点火装置
8 燃料噴射装置
10 燃焼保障ガード部
12 空気量制御用トルク算出部
14 目標空気量算出部
16 スロットル開度算出部
18 推定空気量算出部
20 推定トルク算出部
22 点火時期制御用効率算出部
24 燃焼保障ガード部
26 点火時期算出部
28 目標空燃比生成部
30 燃焼保障ガード部
32 触媒劣化判定部
Claims (1)
- 内燃機関に対する要求トルク及び要求空燃比を取得する要求取得手段と、
前記要求空燃比の変化速度を緩和することによって目標空燃比を生成する目標空燃比生成手段と、
前記内燃機関が発生させるトルクと筒内に吸入される空気量との関係を空燃比に関連付けて定めたデータに基づいて、前記目標空燃比のもとで前記要求トルクを実現するための目標空気量を算出する目標空気量算出手段と、
前記目標空気量に従って空気量制御用のアクチュエータを操作する空気量制御手段と、
前記目標空燃比に従って燃料噴射量制御用のアクチュエータを操作する燃料噴射量制御手段と、
前記内燃機関の排気通路に配置される触媒の劣化度合いに関連する情報を取得し、取得した情報に基づいて前記触媒の劣化度を判定する判定手段とを備え、
前記目標空燃比生成手段は、前記触媒の劣化度が所定の基準以上である場合には、前記要求空燃比の変化速度を緩和することを停止するか、或いは、前記要求空燃比の変化速度の緩和度を小さくすることを特徴とする内燃機関の制御装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2011/051223 WO2012101739A1 (ja) | 2011-01-24 | 2011-01-24 | 内燃機関の制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP5240416B2 true JP5240416B2 (ja) | 2013-07-17 |
JPWO2012101739A1 JPWO2012101739A1 (ja) | 2014-06-30 |
Family
ID=46580350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012530004A Expired - Fee Related JP5240416B2 (ja) | 2011-01-24 | 2011-01-24 | 内燃機関の制御装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8649957B2 (ja) |
JP (1) | JP5240416B2 (ja) |
CN (1) | CN103328795B (ja) |
DE (1) | DE112011104759B4 (ja) |
WO (1) | WO2012101739A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5206774B2 (ja) * | 2010-11-25 | 2013-06-12 | トヨタ自動車株式会社 | 触媒劣化の診断装置 |
JP5790419B2 (ja) * | 2011-11-07 | 2015-10-07 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
US9771888B2 (en) | 2013-10-18 | 2017-09-26 | GM Global Technology Operations LLC | System and method for controlling an engine based on an oxygen storage capability of a catalytic converter |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06213039A (ja) * | 1993-01-21 | 1994-08-02 | Mazda Motor Corp | エンジンの空燃比制御装置 |
JPH0849585A (ja) * | 1994-05-31 | 1996-02-20 | Nippondenso Co Ltd | 内燃機関の空燃比制御装置 |
JP2003328809A (ja) * | 2002-05-09 | 2003-11-19 | Denso Corp | 筒内噴射式内燃機関の制御装置 |
JP2008128070A (ja) * | 2006-11-20 | 2008-06-05 | Toyota Motor Corp | 内燃機関の空燃比制御装置 |
JP2009036107A (ja) * | 2007-08-02 | 2009-02-19 | Toyota Motor Corp | 内燃機関の空燃比制御装置 |
JP2010007489A (ja) * | 2008-06-24 | 2010-01-14 | Toyota Motor Corp | 内燃機関の制御装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3963130B2 (ja) * | 2002-06-27 | 2007-08-22 | トヨタ自動車株式会社 | 触媒劣化判定装置 |
JP4232524B2 (ja) * | 2003-04-25 | 2009-03-04 | 株式会社日立製作所 | エンジンの制御装置 |
JP4221026B2 (ja) * | 2006-12-25 | 2009-02-12 | 三菱電機株式会社 | 内燃機関の空燃比制御装置 |
JP2008297968A (ja) * | 2007-05-31 | 2008-12-11 | Denso Corp | 内燃機関の制御装置 |
JP2009299667A (ja) * | 2008-06-17 | 2009-12-24 | Toyota Motor Corp | 内燃機関の制御装置 |
JP5310330B2 (ja) * | 2009-07-09 | 2013-10-09 | トヨタ自動車株式会社 | 車両制御装置 |
-
2011
- 2011-01-24 US US13/520,502 patent/US8649957B2/en active Active
- 2011-01-24 WO PCT/JP2011/051223 patent/WO2012101739A1/ja active Application Filing
- 2011-01-24 DE DE112011104759.2T patent/DE112011104759B4/de not_active Expired - Fee Related
- 2011-01-24 JP JP2012530004A patent/JP5240416B2/ja not_active Expired - Fee Related
- 2011-01-24 CN CN201180065825.6A patent/CN103328795B/zh not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06213039A (ja) * | 1993-01-21 | 1994-08-02 | Mazda Motor Corp | エンジンの空燃比制御装置 |
JPH0849585A (ja) * | 1994-05-31 | 1996-02-20 | Nippondenso Co Ltd | 内燃機関の空燃比制御装置 |
JP2003328809A (ja) * | 2002-05-09 | 2003-11-19 | Denso Corp | 筒内噴射式内燃機関の制御装置 |
JP2008128070A (ja) * | 2006-11-20 | 2008-06-05 | Toyota Motor Corp | 内燃機関の空燃比制御装置 |
JP2009036107A (ja) * | 2007-08-02 | 2009-02-19 | Toyota Motor Corp | 内燃機関の空燃比制御装置 |
JP2010007489A (ja) * | 2008-06-24 | 2010-01-14 | Toyota Motor Corp | 内燃機関の制御装置 |
Also Published As
Publication number | Publication date |
---|---|
US20130297186A1 (en) | 2013-11-07 |
DE112011104759T5 (de) | 2013-11-14 |
DE112011104759B4 (de) | 2014-08-28 |
US8649957B2 (en) | 2014-02-11 |
WO2012101739A1 (ja) | 2012-08-02 |
JPWO2012101739A1 (ja) | 2014-06-30 |
CN103328795A (zh) | 2013-09-25 |
CN103328795B (zh) | 2015-03-18 |
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