JP6823360B2 - 内燃機関の制御装置及び内燃機関の制御方法 - Google Patents
内燃機関の制御装置及び内燃機関の制御方法 Download PDFInfo
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- JP6823360B2 JP6823360B2 JP2015038980A JP2015038980A JP6823360B2 JP 6823360 B2 JP6823360 B2 JP 6823360B2 JP 2015038980 A JP2015038980 A JP 2015038980A JP 2015038980 A JP2015038980 A JP 2015038980A JP 6823360 B2 JP6823360 B2 JP 6823360B2
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- 238000002485 combustion reaction Methods 0.000 title claims description 54
- 238000000034 method Methods 0.000 title claims description 11
- 238000004880 explosion Methods 0.000 claims description 22
- 239000000446 fuel Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 14
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
- 230000009849 deactivation Effects 0.000 description 5
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Description
Gain=20・log10(プロペラシャフトトルク/エンジントルク)
108 吸気弁
111 排気弁
112 ピストン
200 制御装置
202 バルブ制御部
Claims (2)
- 混合気の燃焼が行われる複数の気筒と、
複数の気筒のうちの一部の気筒の燃焼を停止させる際に、燃焼停止気筒の吸気弁及び排気弁の開閉を制御する弁制御部と、を備え、
前記弁制御部は、
前記燃焼停止気筒の燃焼停止前の最後の爆発行程において前記吸気弁及び前記排気弁を閉弁状態で維持し、前記最後の爆発行程の次の排気行程において前記排気弁を開弁させずに前記吸気弁及び前記排気弁を閉弁状態で維持し、前記排気行程の次の吸気行程において前記吸気弁を開弁させずに前記吸気弁及び前記排気弁を閉弁状態で維持し、前記燃焼停止気筒の燃焼を停止させている間は、前記吸気弁及び前記排気弁を閉弁状態で維持し、
前記最後の爆発行程の直前の吸気行程において、前記排気弁を閉弁状態で維持しつつ前記吸気弁を開弁させ、前記燃焼停止気筒のピストンが下死点に到達したタイミングよりも後のタイミングで前記吸気弁を閉弁させることを特徴とする、内燃機関の制御装置。 - 複数の気筒のうちの一部の気筒の燃焼を停止させる際に、燃焼停止気筒の燃焼停止前の最後の爆発行程において前記燃焼停止気筒の吸気弁及び排気弁を閉弁状態で維持し、前記最後の爆発行程の次の排気行程において前記排気弁を開弁させずに前記吸気弁及び前記排気弁を閉弁状態で維持し、前記排気行程の次の吸気行程において前記吸気弁を開弁させずに前記吸気弁及び前記排気弁を閉弁状態で維持し、前記燃焼停止気筒の燃焼を停止させている間は、前記燃焼停止気筒の前記吸気弁及び前記排気弁を閉弁状態で維持するステップと、
前記最後の爆発行程の直前の吸気行程において、前記排気弁を閉弁状態で維持しつつ前記吸気弁を開弁させ、前記燃焼停止気筒のピストンが下死点に到達したタイミングよりも後のタイミングで前記吸気弁を閉弁させるステップと、
を備えることを特徴とする、内燃機関の制御方法。
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JP2015038980A JP6823360B2 (ja) | 2015-02-27 | 2015-02-27 | 内燃機関の制御装置及び内燃機関の制御方法 |
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JP2015038980A JP6823360B2 (ja) | 2015-02-27 | 2015-02-27 | 内燃機関の制御装置及び内燃機関の制御方法 |
Publications (2)
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JP2016160811A JP2016160811A (ja) | 2016-09-05 |
JP6823360B2 true JP6823360B2 (ja) | 2021-02-03 |
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Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS595846A (ja) * | 1982-07-02 | 1984-01-12 | Nissan Motor Co Ltd | 4気筒内燃機関 |
US7204132B2 (en) * | 2005-04-28 | 2007-04-17 | Ford Global Technologies, Llc | Method for determining valve degradation |
JP5142374B2 (ja) * | 2007-12-10 | 2013-02-13 | 日立オートモティブシステムズ株式会社 | 内燃機関の制御装置 |
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