JP6095413B2 - 火花点火式内燃機関の制御装置 - Google Patents
火花点火式内燃機関の制御装置 Download PDFInfo
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- JP6095413B2 JP6095413B2 JP2013037148A JP2013037148A JP6095413B2 JP 6095413 B2 JP6095413 B2 JP 6095413B2 JP 2013037148 A JP2013037148 A JP 2013037148A JP 2013037148 A JP2013037148 A JP 2013037148A JP 6095413 B2 JP6095413 B2 JP 6095413B2
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Description
I(t)={1−e-(R/L)t}E/R
となる。即ち、過渡現象として一次電流は逓増するが、その増加の速さは徐々に衰える。十分に長い時間が経過すると、図3中の破線のように一次電流はE/Rに飽和する。
1…気筒
12…点火プラグ
13…イグナイタ
14…点火コイル
17…電源バッテリ
d…バッテリ状態信号
i…点火信号
h…電流信号
t0’…学習した所要時間に基づいて決定される一次側コイルへの通電開始時点
t0’’…学習した所要時間に予備時間を加味したものに基づいて決定される一次側コイルへの通電開始時点
t3…一次電流の大きさが火花放電の惹起に十分な値まで増大する時点
Claims (1)
- 気筒に設けられた点火プラグによる火花点火に先んじた点火コイルの一次側コイルへの通電の際、その通電を開始してから、一次側コイルを流れる一次電流の大きさが点火プラグにおける火花放電を惹起するのに十分な値に到達するまでの所要時間を学習し、
以後の点火の機会において、先に学習した所要時間に、現在の電源バッテリの状態を表す指標値、内燃機関の負荷を表す指標値及びEGR率を表す指標値に基づいて定められる予備時間を加味した上、一次電流を遮断し火花点火を惹起するべき時点から逆算して、一次側コイルへの通電開始時点を決定するものであり、
バッテリが十分に充電されている場合に前記予備時間を0とし、さもなくば現在の電源バッテリの状態を表す指標値、内燃機関の負荷を表す指標値及びEGR率を表す指標値に基づいて前記予備時間を定める火花点火式内燃機関の制御装置。
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JP2013037148A JP6095413B2 (ja) | 2013-02-27 | 2013-02-27 | 火花点火式内燃機関の制御装置 |
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JP2013037148A JP6095413B2 (ja) | 2013-02-27 | 2013-02-27 | 火花点火式内燃機関の制御装置 |
Publications (2)
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JP2014163348A JP2014163348A (ja) | 2014-09-08 |
JP6095413B2 true JP6095413B2 (ja) | 2017-03-15 |
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JP2013037148A Expired - Fee Related JP6095413B2 (ja) | 2013-02-27 | 2013-02-27 | 火花点火式内燃機関の制御装置 |
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JP (1) | JP6095413B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114352454B (zh) * | 2022-01-24 | 2023-08-18 | 潍柴动力股份有限公司 | 一种点火线圈充电时长自学习方法及发动机*** |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60116863A (ja) * | 1983-11-28 | 1985-06-24 | Nippon Denso Co Ltd | 内燃機関の点火制御装置 |
JP5950708B2 (ja) * | 2012-06-15 | 2016-07-13 | ダイハツ工業株式会社 | 火花点火式内燃機関の制御装置 |
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