JP4522914B2 - 内燃機関のegr制御装置 - Google Patents
内燃機関のegr制御装置 Download PDFInfo
- Publication number
- JP4522914B2 JP4522914B2 JP2005175309A JP2005175309A JP4522914B2 JP 4522914 B2 JP4522914 B2 JP 4522914B2 JP 2005175309 A JP2005175309 A JP 2005175309A JP 2005175309 A JP2005175309 A JP 2005175309A JP 4522914 B2 JP4522914 B2 JP 4522914B2
- Authority
- JP
- Japan
- Prior art keywords
- egr
- air amount
- value
- correction value
- cmd
- 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.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/45—Sensors specially adapted for EGR systems
- F02M26/46—Sensors specially adapted for EGR systems for determining the characteristics of gases, e.g. composition
- F02M26/47—Sensors specially adapted for EGR systems for determining the characteristics of gases, e.g. composition the characteristics being temperatures, pressures or flow rates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/02—EGR systems specially adapted for supercharged engines
- F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
- F02M26/05—High pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust system upstream of the turbine and reintroduced into the intake system downstream of the compressor
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Analytical Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Description
2 ECU(基本値算出手段、吸気量パラメータ検出手段、目標吸気量パラメータ設
定手段、補正値算出手段、制御入力算出手段、制御手段、判定手段、初期化手段
)
3 内燃機関
4 吸気通路(吸気系)
6 排気還流装置
10 エアフローセンサ(吸気量パラメータ検出手段)
21 基本値算出部(基本値算出手段)
22 目標新気量算出部(目標吸気量パラメータ設定手段)
24 補正値算出部(補正値算出手段、判定手段、初期化手段)
25 加算要素(制御入力算出手段)
AP アクセル開度(第1および第2の運転状態パラメータ)
NE エンジン回転数(第1および第2の運転状態パラメータ)
M_ACT 実新気量(吸気量パラメータ)
M_CMD 目標新気量(目標吸気量パラメータ)
DM 新気量偏差(目標吸気量パラメータおよび吸気量パラメータの
一方と他方との偏差)
EGR_FF 基本値
EGR_FB 補正値
EGR_CMD 制御入力
EGR_LIMIT_H 上限値(所定範囲を規定する値)
EGR_LIMIT_L 下限値(所定範囲を規定する値)
Claims (1)
- 吸気系に還流される排気の還流量を調整する排気還流装置と、
内燃機関の運転状態を表す第1の運転状態パラメータに応じて、前記排気還流装置への制御入力の基本値を算出する基本値算出手段と、
前記吸気系から前記内燃機関の燃焼室内に吸入される吸気量を表す吸気量パラメータを検出する吸気量パラメータ検出手段と、
当該吸気量パラメータの目標となる目標吸気量パラメータを、前記内燃機関の運転状態を表す第2の運転状態パラメータに応じて設定する目標吸気量パラメータ設定手段と、
当該設定された目標吸気量パラメータおよび前記検出された吸気量パラメータの一方と他方との偏差が無くなるように、所定のフィードバック制御アルゴリズムにより補正値を算出する補正値算出手段と、
当該算出された補正値で前記基本値を補正することにより、前記制御入力を算出する制御入力算出手段と、
当該算出された制御入力により前記排気還流装置を制御する制御手段と、
を備え、
前記補正値算出手段は、
前記基本値が所定範囲内にあるか否かを判定する判定手段と、
当該判定手段により前記基本値が前記所定範囲内にないと判定されたときには、前記補正値を初期化する初期化手段と、
を有することを特徴とする内燃機関のEGR制御装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005175309A JP4522914B2 (ja) | 2005-06-15 | 2005-06-15 | 内燃機関のegr制御装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005175309A JP4522914B2 (ja) | 2005-06-15 | 2005-06-15 | 内燃機関のegr制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006348828A JP2006348828A (ja) | 2006-12-28 |
JP4522914B2 true JP4522914B2 (ja) | 2010-08-11 |
Family
ID=37644940
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005175309A Expired - Fee Related JP4522914B2 (ja) | 2005-06-15 | 2005-06-15 | 内燃機関のegr制御装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4522914B2 (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001165001A (ja) * | 1999-12-14 | 2001-06-19 | Honda Motor Co Ltd | ディーゼルエンジンのegr制御装置 |
JP2003166445A (ja) * | 2001-11-29 | 2003-06-13 | Isuzu Motors Ltd | 内燃機関のegr制御装置 |
-
2005
- 2005-06-15 JP JP2005175309A patent/JP4522914B2/ja not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001165001A (ja) * | 1999-12-14 | 2001-06-19 | Honda Motor Co Ltd | ディーゼルエンジンのegr制御装置 |
JP2003166445A (ja) * | 2001-11-29 | 2003-06-13 | Isuzu Motors Ltd | 内燃機関のegr制御装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2006348828A (ja) | 2006-12-28 |
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