JP2008169850A - 内燃機関の作動方法及び内燃機関の制御機器用制御素子並びに内燃機関 - Google Patents
内燃機関の作動方法及び内燃機関の制御機器用制御素子並びに内燃機関 Download PDFInfo
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- F02D2200/02—Input parameters for engine control the parameters being related to the engine
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- F02D41/0047—Controlling exhaust gas recirculation [EGR]
- F02D41/006—Controlling exhaust gas recirculation [EGR] using internal EGR
- F02D41/0062—Estimating, calculating or determining the internal EGR rate, amount or flow
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Abstract
【解決手段】排ガス帰還導管(14)内に配置された弁(15)を介するマスフロー、質量流(msagr)が求められ、絞り弁(8)を介するマスフロー、質量流(msdk)と、弁(15)を介する、排ガスのマスフロー、質量流(msagr)とから、燃焼室(4)に供給されるマスフロー、質量流(msab)が求められるようにしたこと。
【選択図】図1
Description
cagr=psag/psdk=msabag/msab.
吸込管6にて流入、流出するマスフロー、質量流は、次のように合成される:マスフロー、質量流msdk及びマスフロー、質量流msagrは、吸込管6に流入し、一方マスフロー、質量流masbは吸込管6から内燃機関1の燃焼室4内に流出する。ここで、流出するマスフロー、質量流msabは排ガス成分msabag及び新鮮ガス成分msabfgから成る。
当該乗算は結合個所35を用いて実現されている。
2 ピストン
3 シリンダ
4 燃焼室
5 弁
6 吸込管
7 排ガス
8 絞り弁
9 バイパス
10 弁
11 活性炭フィルタ
12 導管
13 弁
14 排ガス帰還導管
15 弁
25 積分器
26 積分器
27 ブロック
28 ブロック
30 結合個所
32 結合個所
33 特性曲線領域部ないし特性マップ
36 出力信号
37 信号
38 結合個所
39 結合個所
40 結合個所
41 スイッチ
42 出力信号
Claims (9)
- 内燃機関例えば車両用内燃機関の作動方法であって、空気が吸込管(6)内に配置された絞り弁(8)を介して燃焼室(4)に供給され、ここで、絞り弁(8)を介するマスフロー、質量流(msdk)が求められ、排ガスは、排ガス帰還導管(14)内に配置された弁(15)を介して吸込管(6)に供給されるようにした内燃機関例えば車両用内燃機関の作動方法において、
弁(15)を介するマスフロー、質量流(msagr)が求められ、絞り弁(8)を介するマスフロー、質量流(msdk)と、弁(15)を介するマスフロー、質量流(msagr)とから、燃焼室(4)に供給されるマスフロー、質量流(msab)が求められ、ただし、その際に、絞り弁(8)を介するマスフロー、質量流(msdk)と、弁(15)を介するマスフロー、質量流(msagr)とから、先ず吸込管(6)内の圧力(ps)が求められ、当該の吸込管(6)内の圧力(ps)から残留ガス圧(pirg)が減じられ、ただし、前記残留ガス圧(pirg)とは、燃焼後につねにある一定の残留ガスが燃焼室(4)から排出されずに燃焼室(4)内に残留することによって燃焼室(4)内に生じる圧力に相当するものであり、圧力差(ps−pirg)が内燃機関のパラメータに依存して、燃焼室(4)に供給されるマスフロー、質量流(msab)に換算されるようにしたことを特徴とする内燃機関の作動方法。 - 絞り弁(8)を介するマスフロー、質量流(msdk)及び弁(15)を介するマスフロー、質量流(msagr)がそれぞれまとめられ、次いで、内燃機関(1)のパラメータに依存して吸込管(6)内の圧力(ps)が求められるようにしたことを特徴とする請求項1記載の方法。
- 燃焼室(4)に供給されるマスフロー、質量流(msab)が係数(cagr)と結合され、該係数(cagr)は、弁(15)を介して吸込管(6)に供給されるマスフロー、質量流(msab)の成分、割合に相応するものであるようにしたことを特徴とする請求項1又は2記載の方法。
- 係数(cagr)と結合されたマスフロー、質量流(msabag)が弁(15)を介するマスフロー、質量流(msagr)に結合されるようにしたことを特徴とする請求項3記載の方法。
- 燃焼室(4)に供給されたマスフロー、質量流(msab)が係数(1−cagr)と結合され、該係数(1−cagr)は、絞り弁(8)を介して吸込管(6)に供給されるマスフロー、質量流(msab)の成分に相応するものであるようにしたことを特徴とする請求項1から4までのうちいずれか1項記載の方法。
- 係数(1−cagr)に結合されたマスフロー、質量流(msabfg)が絞り弁(8)を介するマスフロー、質量流(msdk)に結合されるようにしたことを特徴とする請求項5記載の方法。
- 弁(15)のキーイング比ないしオン・オフ比(ta_agr)から、先ず第一に、弁(8)を介する規格、基準マスフロー、質量流(msagrn)が求められ、ついで、規格、基準マスフロー、質量流(msgrn)から、内燃機関(1)のパラメータに依存して弁(18)を介するマスフロー、質量流(msagr)が求められるようにしたことを特徴とする請求項1から6までのうちいずれか1項記載の方法。
- 内燃機関(1)例えば車両の内燃機関(1)の制御機器(17)用制御素子、例えば、ROMであって、前記制御素子上にはプログラムが記憶されている当該の制御素子において、
前記プログラムは、計算装置、例えばマイクロプロセッサ上にて、実行処理可能であり、そして、請求項1項から7項までのうち何れか1項記載の方法を実施するのに適しているものであるように構成されていることを特徴とする内燃機関の制御機器用の制御素子。 - 内燃機関(1)、例えば車両用内燃機関であって、吸込管(6)内に配置された絞り弁(8)を有し、該絞り弁(8)を介して空気が燃焼室(4)に供給可能であり、排ガス帰還導管(14)内に設けられた弁(15)を有し、該弁を介して、吸い込み管(6)に供給可能であり、制御機器(17)を有し、該制御機器(17)により、絞り弁(8)を介するマスフロー、質量流(msdk)が検出可能であるようにした当該の内燃機関において、
制御機器(17)により、弁(15)を介するマスフロー、質量流(msagr)が検出可能であり、かつ、絞り弁(8)を介するマスフロー、質量流(msdk)及び弁(15)を介するマスフロー、質量流(msagr)から、燃焼室(4)に供給されるマスフロー、質量流(msab)が検出可能であり、
絞り弁(8)を介するマスフロー、質量流(msdk)と、弁(15)を介するマスフロー、質量流(msagr)とから、先ず吸込管(6)内の圧力(ps)が求められ、当該の吸込管(6)内の圧力(ps)から残留ガス圧(pirg)が減じられ、ただし、前記残留ガス圧(pirg)とは、燃焼後につねにある一定の残留ガスが燃焼室(4)から排出されずに燃焼室(4)内に残留することによって燃焼室(4)内に生じる圧力に相当するものであり、前記圧力差(ps−pirg)が、内燃機関のパラメータに依存して、燃焼室(4)に供給されるマスフロー、質量流(msab)に換算されることを特徴とする内燃機関。
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DE19740919 | 1997-09-17 | ||
DE19756619A DE19756619B4 (de) | 1997-04-01 | 1997-12-19 | System zum Betreiben einer Brennkraftmaschine insbesondere für ein Kraftfahrzeug |
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JP26301198A Division JP4154040B2 (ja) | 1997-09-17 | 1998-09-17 | 内燃機関の作動方法及び内燃機関の制御機器用制御素子並びに内燃機関 |
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JP2008092007A Expired - Fee Related JP4309947B2 (ja) | 1997-09-17 | 2008-03-31 | 内燃機関の作動方法及び内燃機関の制御機器用制御素子並びに内燃機関 |
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EP (1) | EP1015748B1 (ja) |
JP (2) | JP2001516840A (ja) |
KR (2) | KR20010023961A (ja) |
CN (1) | CN1097155C (ja) |
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DE102011088763A1 (de) * | 2011-12-15 | 2013-06-20 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Ermittlung eines Modellierungswerts für eine physikalische Größe in einem Motorsystem mit einem Verbrennungsmotor |
DE102012204975A1 (de) * | 2012-03-28 | 2013-10-02 | Robert Bosch Gmbh | Verfahren zur Einspritzberechnung für eine Verbrennungskraftmaschine |
DE102013209037A1 (de) * | 2013-05-15 | 2014-11-20 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Betrieb einer Abgasrückführung einer selbstzündenden Brennkraftmaschine insbesondere eines Kraftfahrzeugs |
US10655550B2 (en) * | 2015-07-13 | 2020-05-19 | GM Global Technology Operations LLC | Intake manifold and cylinder airflow estimation systems and methods |
DE102017209127A1 (de) * | 2017-05-31 | 2018-12-06 | Robert Bosch Gmbh | Verfahren zum Berechnen eines Massenstroms von einem Tankentlüftungssystem in ein Saugrohr eines Verbrennungsmotors |
DE102019114472A1 (de) * | 2019-05-29 | 2020-12-03 | Volkswagen Aktiengesellschaft | Verfahren zur dynamischen Gaspartialdruckkorrektur einer Brennkraftmaschine mit äußerer Gemischbildung |
DE102019212565A1 (de) * | 2019-08-22 | 2021-02-25 | Volkswagen Aktiengesellschaft | Verfahren zur Bestimmung der Zylinderluftfüllung eines Verbrennungsmotors im unbefeuerten Betrieb |
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DE3238190C2 (de) | 1982-10-15 | 1996-02-22 | Bosch Gmbh Robert | Elektronisches System zum Steuern bzw. Regeln von Betriebskenngrößen einer Brennkraftmaschine |
US5273019A (en) * | 1990-11-26 | 1993-12-28 | General Motors Corporation | Apparatus with dynamic prediction of EGR in the intake manifold |
JPH04311643A (ja) * | 1991-04-10 | 1992-11-04 | Hitachi Ltd | エンジンの気筒流入空気量算出方法 |
EP0594114B1 (en) * | 1992-10-19 | 1999-12-15 | Honda Giken Kogyo Kabushiki Kaisha | Fuel metering control system in internal combustion engine |
EP0752523B1 (en) * | 1995-07-04 | 2001-05-16 | NOZEL ENGINEERING Co., Ltd. | Method and apparatus for controlling a diesel engine |
KR100462458B1 (ko) | 1996-03-15 | 2005-05-24 | 지멘스 악티엔게젤샤프트 | 외부배기가스를재순환하는내연기관의실린더로유입되는맑은공기의질량을모델을이용하여결정하는방법 |
JP2001516421A (ja) | 1997-04-01 | 2001-09-25 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 内燃機関のシリンダ内に過給器を用いて供給される空気量を決定するための装置 |
DE19740916B4 (de) | 1997-04-01 | 2007-05-10 | Robert Bosch Gmbh | Verfahren zum Betreiben einer Brennkraftmaschine |
DE19756619B4 (de) | 1997-04-01 | 2007-03-15 | Robert Bosch Gmbh | System zum Betreiben einer Brennkraftmaschine insbesondere für ein Kraftfahrzeug |
DE59803653D1 (de) | 1997-09-17 | 2002-05-08 | Bosch Gmbh Robert | Verfahren und vorrichtung zur bestimmung einer gasfüllung eines verbrennungsmotors |
US5941927A (en) | 1997-09-17 | 1999-08-24 | Robert Bosch Gmbh | Method and apparatus for determining the gas temperature in an internal combustion engine |
CN1096552C (zh) | 1997-09-17 | 2002-12-18 | 罗伯特·博施有限公司 | 控制内燃机中通过节气阀气体流的方法及装置 |
-
1998
- 1998-09-02 DE DE59803653T patent/DE59803653D1/de not_active Expired - Lifetime
- 1998-09-02 US US09/508,725 patent/US6352065B1/en not_active Expired - Lifetime
- 1998-09-02 CN CN98808879A patent/CN1097155C/zh not_active Expired - Fee Related
- 1998-09-02 EP EP98951253A patent/EP1015748B1/de not_active Expired - Lifetime
- 1998-09-02 JP JP2000511992A patent/JP2001516840A/ja active Pending
- 1998-09-02 KR KR1020007002674A patent/KR20010023961A/ko not_active Application Discontinuation
- 1998-09-02 WO PCT/DE1998/002572 patent/WO1999014476A1/de not_active Application Discontinuation
- 1998-09-17 KR KR1019980038392A patent/KR100646299B1/ko not_active IP Right Cessation
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DE59803653D1 (de) | 2002-05-08 |
US6352065B1 (en) | 2002-03-05 |
KR100646299B1 (ko) | 2007-01-31 |
EP1015748A1 (de) | 2000-07-05 |
WO1999014476A1 (de) | 1999-03-25 |
EP1015748B1 (de) | 2002-04-03 |
JP2001516840A (ja) | 2001-10-02 |
CN1269868A (zh) | 2000-10-11 |
KR20010023961A (ko) | 2001-03-26 |
CN1097155C (zh) | 2002-12-25 |
KR19990029885A (ko) | 1999-04-26 |
JP4309947B2 (ja) | 2009-08-05 |
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