JP6054925B2 - 内燃機関の制御装置 - Google Patents
内燃機関の制御装置 Download PDFInfo
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- JP6054925B2 JP6054925B2 JP2014189587A JP2014189587A JP6054925B2 JP 6054925 B2 JP6054925 B2 JP 6054925B2 JP 2014189587 A JP2014189587 A JP 2014189587A JP 2014189587 A JP2014189587 A JP 2014189587A JP 6054925 B2 JP6054925 B2 JP 6054925B2
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- value
- determination
- internal combustion
- combustion engine
- exhaust gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/18—Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
- F02B37/183—Arrangements of bypass valves or actuators therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0002—Controlling intake air
- F02D41/0007—Controlling intake air for control of turbo-charged or super-charged engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
- F02D41/1408—Dithering techniques
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
- F02D41/1456—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio with sensor output signal being linear or quasi-linear with the concentration of oxygen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/22—Safety or indicating devices for abnormal conditions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
- F02D2041/1413—Controller structures or design
- F02D2041/1432—Controller structures or design the system including a filter, e.g. a low pass or high pass filter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/04—Engine intake system parameters
- F02D2200/0402—Engine intake system parameters the parameter being determined by using a model of the engine intake or its components
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
-
- 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
-
- 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
- Y02T10/40—Engine management systems
Description
(C2)LAFセンサ23が正常であって、活性化していること。
(C3)エンジン回転数NE及び吸気圧PBの変動量が所定値よりも小さく、安定した運転状態にあること。
2 ECU(筒内ガス量パラメータ取得手段、空燃比制御手段、実行条件判定手段、 動作状態判定手段、判定値設定手段)
3 内燃機関
3a 気筒
8 排気通路
8a バイパス通路
10 ターボチャージャ
10b タービン
11a ウェイストゲート弁
23 LAFセンサ(排ガス濃度パラメータセンサ)
KACT 検出当量比(排ガス濃度パラメータ)
GCYL 筒内ガス量(筒内ガス量パラメータ)
Gjud ガス量判定値(所定の判定値)
Claims (2)
- 排気通路に設けられたタービンを有するターボチャージャと、当該ターボチャージャのタービンを迂回するバイパス通路を開閉することにより、当該タービンが排ガスから受け取る運動エネルギを変更するウェイストゲート弁とを備えた内燃機関の制御装置であって、
前記排気通路の前記タービンよりも下流側に設けられ、排ガス中の酸素を含む所定成分の濃度を表す排ガス濃度パラメータを検出する排ガス濃度パラメータセンサと、
前記内燃機関の気筒内における筒内ガス量を表す筒内ガス量パラメータを取得する筒内ガス量パラメータ取得手段と、
前記内燃機関の空燃比を、所定状態で変動するように制御する空燃比変動制御を実行する空燃比制御手段と、
前記取得された筒内ガス量パラメータが表す筒内ガス量が所定の判定値以上であるという動作状態判定の実行条件が成立しているか否かを判定する実行条件判定手段と、
当該実行条件判定手段の判定結果に基づき、前記空燃比変動制御が実行中されている場合において、前記動作状態判定の実行条件が成立しているときに、前記検出された排ガス濃度パラメータを用いて、前記内燃機関又は当該内燃機関の付属機器における動作状態を判定する動作状態判定手段と、
前記所定の判定値を、前記ウェイストゲート弁の開度が大きいほど、より大きい値に設定する判定値設定手段と、
を備えることを特徴とする内燃機関の制御装置。 - 前記排ガス濃度パラメータセンサは、前記バイパス通路の下流側端部が前記排気通路に合流する合流位置付近又は当該合流位置よりも上流側に設けられていることを特徴とする請求項1に記載の内燃機関の制御装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014189587A JP6054925B2 (ja) | 2014-09-18 | 2014-09-18 | 内燃機関の制御装置 |
US14/852,627 US10094271B2 (en) | 2014-09-18 | 2015-09-14 | Control apparatus for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014189587A JP6054925B2 (ja) | 2014-09-18 | 2014-09-18 | 内燃機関の制御装置 |
Publications (2)
Publication Number | Publication Date |
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JP2016061216A JP2016061216A (ja) | 2016-04-25 |
JP6054925B2 true JP6054925B2 (ja) | 2016-12-27 |
Family
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JP2014189587A Active JP6054925B2 (ja) | 2014-09-18 | 2014-09-18 | 内燃機関の制御装置 |
Country Status (2)
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US (1) | US10094271B2 (ja) |
JP (1) | JP6054925B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5765350B2 (ja) * | 2013-02-04 | 2015-08-19 | トヨタ自動車株式会社 | 多気筒内燃機関の気筒間空燃比インバランス検出装置 |
JP6607236B2 (ja) * | 2017-07-04 | 2019-11-20 | トヨタ自動車株式会社 | 内燃機関の排気システム |
JP6919576B2 (ja) * | 2018-01-16 | 2021-08-18 | トヨタ自動車株式会社 | 内燃機関の排気構造 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5569725A (en) * | 1978-11-18 | 1980-05-26 | Nissan Motor Co Ltd | Exhaust gas by-passing valve mechanism for use with exhaust turbo-supercharger |
JPH0543240Y2 (ja) * | 1985-02-25 | 1993-10-29 | ||
JP2579936B2 (ja) * | 1987-04-02 | 1997-02-12 | マツダ株式会社 | 過給機付エンジンの空燃比制御装置 |
JP4253339B2 (ja) * | 2006-09-21 | 2009-04-08 | 株式会社日立製作所 | 内燃機関の制御装置 |
JP4952847B2 (ja) | 2008-11-19 | 2012-06-13 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
WO2012086078A1 (ja) | 2010-12-24 | 2012-06-28 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JP2013221428A (ja) * | 2012-04-13 | 2013-10-28 | Toyota Motor Corp | 内燃機関の制御装置 |
JP5765350B2 (ja) * | 2013-02-04 | 2015-08-19 | トヨタ自動車株式会社 | 多気筒内燃機関の気筒間空燃比インバランス検出装置 |
-
2014
- 2014-09-18 JP JP2014189587A patent/JP6054925B2/ja active Active
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2015
- 2015-09-14 US US14/852,627 patent/US10094271B2/en active Active
Also Published As
Publication number | Publication date |
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US20160084152A1 (en) | 2016-03-24 |
JP2016061216A (ja) | 2016-04-25 |
US10094271B2 (en) | 2018-10-09 |
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