JP5285474B2 - 内燃機関の排気ガス再循環制御方法 - Google Patents
内燃機関の排気ガス再循環制御方法 Download PDFInfo
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- JP5285474B2 JP5285474B2 JP2009065450A JP2009065450A JP5285474B2 JP 5285474 B2 JP5285474 B2 JP 5285474B2 JP 2009065450 A JP2009065450 A JP 2009065450A JP 2009065450 A JP2009065450 A JP 2009065450A JP 5285474 B2 JP5285474 B2 JP 5285474B2
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- Prior art keywords
- exhaust gas
- cylinder pressure
- internal combustion
- combustion
- combustion engine
- 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.)
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- 238000002485 combustion reaction Methods 0.000 title claims description 89
- 238000000034 method Methods 0.000 title claims description 19
- 239000000446 fuel Substances 0.000 claims description 43
- 238000012937 correction Methods 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 12
- 239000007789 gas Substances 0.000 description 26
- 230000003247 decreasing effect Effects 0.000 description 8
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 230000007423 decrease Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- 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
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
Description
6…電子制御装置
7…中央演算処理装置
8…記憶装置
9…入力インターフェース
11…出力インターフェース
50…排気ガス再循環系
70…イオン電流検出系
Claims (4)
- 吸気系に再循環する排気ガス量を調整する再循環弁、及び内燃機関の燃焼状態を検出する燃焼状態検出手段を備え、燃焼状態検出手段が、点火プラグの電極を流れるイオン電流または筒内圧力を検出するものであり、その検出した燃焼状態に応じて再循環弁を制御して再循環する排気ガス量を調整する内燃機関の排気ガス再循環制御方法において、
燃焼が所定の条件を満たす場合に前記排気ガス量を制御するものであって、
燃焼状態検出手段を介して検出されるイオン電流または筒内圧力が閾値を上回る時点が、排気ガス再循環により燃費率がほぼ最小値となる燃費ボトム運転状態においてイオン電流または筒内圧力が同閾値を上回る時点よりも遅いことを前記所定の条件に含む、内燃機関の排気ガス再循環制御方法。 - 燃焼状態検出手段を介して検出されるイオン電流または筒内圧力が閾値を下回る時点が、前記燃費ボトム運転状態においてイオン電流または筒内圧力が同閾値を下回る時点よりも遅いことを前記所定の条件に含む、請求項1記載の内燃機関の排気ガス再循環制御方法。
- 前記排気ガス量の制御は、再循環弁の開度に対する補正ゲインを乗算することにより実施する請求項1又は2記載の内燃機関の排気ガス再循環制御方法。
- 補正ゲインは、燃焼状態検出手段を介して検出されるイオン電流または筒内圧力が閾値を上回る時点をクランク角度により検出し、そのクランク角度が前記燃費ボトム運転状態においてイオン電流または筒内圧力が同閾値を上回る時点に対応するクランク角度となるように決定する請求項3記載の内燃機関の排気ガス再循環制御方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009065450A JP5285474B2 (ja) | 2009-03-18 | 2009-03-18 | 内燃機関の排気ガス再循環制御方法 |
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JP2009065450A JP5285474B2 (ja) | 2009-03-18 | 2009-03-18 | 内燃機関の排気ガス再循環制御方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010216403A JP2010216403A (ja) | 2010-09-30 |
JP5285474B2 true JP5285474B2 (ja) | 2013-09-11 |
Family
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JP2009065450A Active JP5285474B2 (ja) | 2009-03-18 | 2009-03-18 | 内燃機関の排気ガス再循環制御方法 |
Country Status (1)
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JP (1) | JP5285474B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011247102A (ja) * | 2010-05-24 | 2011-12-08 | Diamond Electric Mfg Co Ltd | 内燃機関の排気ガス再循環制御装置 |
JP5565295B2 (ja) * | 2010-12-21 | 2014-08-06 | ダイヤモンド電機株式会社 | 内燃機関の排気ガス再循環制御装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5325728A (en) * | 1976-08-23 | 1978-03-09 | Nissan Motor Co Ltd | Exhaust gas re-circulation control system |
JP2585910B2 (ja) * | 1991-12-25 | 1997-02-26 | 本田技研工業株式会社 | 内燃機関の制御装置 |
JP3231109B2 (ja) * | 1992-12-28 | 2001-11-19 | 本田技研工業株式会社 | 内燃機関の制御方法 |
JP3419113B2 (ja) * | 1994-11-02 | 2003-06-23 | 日産自動車株式会社 | 内燃機関の燃焼安定度制御装置 |
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2009
- 2009-03-18 JP JP2009065450A patent/JP5285474B2/ja active Active
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JP2010216403A (ja) | 2010-09-30 |
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