JP4389555B2 - 可変圧縮比内燃機関の制御装置 - Google Patents
可変圧縮比内燃機関の制御装置 Download PDFInfo
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- JP4389555B2 JP4389555B2 JP2003390164A JP2003390164A JP4389555B2 JP 4389555 B2 JP4389555 B2 JP 4389555B2 JP 2003390164 A JP2003390164 A JP 2003390164A JP 2003390164 A JP2003390164 A JP 2003390164A JP 4389555 B2 JP4389555 B2 JP 4389555B2
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- compression ratio
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- 230000006835 compression Effects 0.000 title claims description 133
- 238000007906 compression Methods 0.000 title claims description 133
- 238000002485 combustion reaction Methods 0.000 title claims description 29
- 230000007246 mechanism Effects 0.000 claims description 21
- 239000000446 fuel Substances 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000001133 acceleration Effects 0.000 description 12
- 238000005265 energy consumption Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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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
- Y02T10/12—Improving ICE efficiencies
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Description
2…ロアリンク
3…ピストン
5…アッパリンク
6…コントロールリンク
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Claims (2)
- 圧縮比を変更可能な可変圧縮比機構を備え、機関運転条件に応じた目標圧縮比に制御する可変圧縮比内燃機関の制御装置において、
車両変速機のギヤ比に応じて、上記目標圧縮比を補正する補正手段と、内燃機関の有効圧縮比を変更する可変動弁機構と、を備え、
上記補正手段は、高ギヤ比における目標圧縮比の設定の方が、低ギヤ比における目標圧縮比の設定に比べて、高圧縮比となる回転速度・負荷の領域が、相対的に広くなるように補正を行い、
上記可変動弁機構は、減速時には、高ギヤ比の方が低ギヤ比よりも有効圧縮比が小さくなるように制御し、かつこの減速時に高ギヤ比でかつ燃料カット中のときは燃焼安定限界を超える領域まで有効圧縮比を低下させることを特徴とする可変圧縮比内燃機関の制御装置。 - 圧縮比を変更可能な可変圧縮比機構を備え、目標圧縮比マップに基づき機関運転条件に応じた目標圧縮比に制御する可変圧縮比内燃機関の制御装置において、
車両変速機のギヤ比に応じた異なる特性の目標圧縮比マップを複数備え、これらの目標圧縮比マップは、高ギヤ比における目標圧縮比の設定の方が、低ギヤ比における目標圧縮比の設定に比べて、高圧縮比となる回転速度・負荷の領域が、相対的に広い特性となっており、実際のギヤ比に応じて、目標圧縮比マップを切り換えるとともに、
内燃機関の有効圧縮比を変更する可変動弁機構をさらに備え、減速時には、高ギヤ比の方が低ギヤ比よりも有効圧縮比が小さくなるように制御し、かつこの減速時に高ギヤ比でかつ燃料カット中のときは燃焼安定限界を超える領域まで有効圧縮比を低下させることを特徴とする可変圧縮比内燃機関の制御装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2003390164A JP4389555B2 (ja) | 2003-11-20 | 2003-11-20 | 可変圧縮比内燃機関の制御装置 |
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JP2003390164A JP4389555B2 (ja) | 2003-11-20 | 2003-11-20 | 可変圧縮比内燃機関の制御装置 |
Publications (2)
Publication Number | Publication Date |
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JP2005147104A JP2005147104A (ja) | 2005-06-09 |
JP4389555B2 true JP4389555B2 (ja) | 2009-12-24 |
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JP2003390164A Expired - Fee Related JP4389555B2 (ja) | 2003-11-20 | 2003-11-20 | 可変圧縮比内燃機関の制御装置 |
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Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4339878B2 (ja) * | 2005-08-04 | 2009-10-07 | 本田技研工業株式会社 | 圧縮着火内燃機関の制御装置 |
US7730717B2 (en) | 2005-08-04 | 2010-06-08 | Honda Motor Co., Ltd. | Control system for compression-ignition engine |
JP5176913B2 (ja) * | 2008-12-03 | 2013-04-03 | トヨタ自動車株式会社 | 車両の制御装置 |
JP2012225165A (ja) * | 2011-04-15 | 2012-11-15 | Nissan Motor Co Ltd | 可変圧縮比エンジンの制御装置 |
WO2014178226A1 (ja) * | 2013-04-30 | 2014-11-06 | 日産自動車株式会社 | 車両用内燃機関の制御装置および制御方法 |
EP3088709B1 (en) * | 2013-12-25 | 2017-09-27 | Nissan Motor Co., Ltd | Device and method for controlling internal combustion engine for vehicle |
JP2017020449A (ja) * | 2015-07-14 | 2017-01-26 | 日産自動車株式会社 | 内燃機関の制御装置 |
US10145316B2 (en) * | 2016-05-04 | 2018-12-04 | Ford Global Technologies, Llc | Method and system for engine control |
JP6835129B2 (ja) * | 2019-04-15 | 2021-02-24 | 日産自動車株式会社 | 内燃機関の制御装置 |
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- 2003-11-20 JP JP2003390164A patent/JP4389555B2/ja not_active Expired - Fee Related
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JP2005147104A (ja) | 2005-06-09 |
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