JP6679743B2 - 内燃機関において空気質量を求める方法 - Google Patents
内燃機関において空気質量を求める方法 Download PDFInfo
- Publication number
- JP6679743B2 JP6679743B2 JP2018544522A JP2018544522A JP6679743B2 JP 6679743 B2 JP6679743 B2 JP 6679743B2 JP 2018544522 A JP2018544522 A JP 2018544522A JP 2018544522 A JP2018544522 A JP 2018544522A JP 6679743 B2 JP6679743 B2 JP 6679743B2
- Authority
- JP
- Japan
- Prior art keywords
- air mass
- mass flow
- flow rate
- internal combustion
- combustion engine
- 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.)
- Active
Links
Images
Classifications
-
- 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
-
- 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
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
- F02D41/062—Introducing corrections for particular operating conditions for engine starting or warming up for starting
- F02D41/064—Introducing corrections for particular operating conditions for engine starting or warming up for starting at cold start
-
- 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
- F02D41/222—Safety or indicating devices for abnormal conditions relating to the failure of sensors or parameter detection devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
-
- 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
- F02D2200/021—Engine temperature
-
- 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
-
- 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
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/101—Engine speed
-
- 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
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/042—Introducing corrections for particular operating conditions for stopping the engine
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
- G01F1/696—Circuits therefor, e.g. constant-current flow meters
- G01F1/6965—Circuits therefor, e.g. constant-current flow meters comprising means to store calibration data for flow signal calculation or correction
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Description
Claims (8)
- 内燃機関の吸込路に配置された空気質量計を有する内燃機関において、補正した空気質量流量値を求める方法であって、
前記吸込路に空気質量流量がまだ存在しない少なくとも1つの第1時点に、前記内燃機関の冷間始動条件を特定するステップと、
前記少なくとも1つの第1時点に、前記空気質量計を用いて少なくとも1つの基準信号を形成するステップと、
前記空気質量計の前記少なくとも1つの基準信号から、少なくとも1つの空気質量流量オフセットを求めるステップと、
前記少なくとも1つの空気質量流量オフセットから、補正空気質量流量値を求めるステップと、
前記少なくとも1つの第1時点とは異なりかつ前記内燃機関の動作持続時間内にある少なくとも1つの第2時点に、前記空気質量計を用いて測定信号を形成するステップと、
前記空気質量計の前記測定信号から空気質量流量値を求めるステップと、
前記空気質量流量値から、前記補正空気質量流量値の予め設定した割合を減算することによって、前記補正した空気質量流量値を求めるステップと、
を含み、
前記予め設定した割合は、前記空気質量計の感度に依存することを特徴とする方法。 - 複数の第1時点に求めた複数の空気質量流量オフセットから前記補正空気質量流量値を求める、請求項1記載の方法。
- 前記予め設定した割合は、50%から99%の範囲内にある、請求項1または2記載の方法。
- 前記予め設定した割合は、70%から95%の範囲内にある、請求項3記載の方法。
- 前記冷間始動条件の特定は、
前記内燃機関の点火が起動されたことを特定すること、および/または
前記内燃機関の回転数がゼロであることを特定すること、および/または
前記内燃機関の温度が、予め設定した閾値温度未満であることを特定すること、および/または
前記内燃機関の前記温度が、周囲空気温度前後の予め設定した範囲内にあることを特定すること
を含む、請求項1から4までのいずれか1項記載の方法。 - 前記少なくとも1つの空気質量流量オフセットを求めるステップおよび/または前記空気質量流量値を求めるステップは、前記空気質量計の予め設定した特性曲線に基づく、請求項1から5までのいずれか1項記載の方法。
- 前記空気質量計の前記予め設定した特性曲線は、少なくとも部分的に非線形である、請求項6記載の方法。
- 求めた前記少なくとも1つの空気質量流量オフセットが、求めた前記補正空気質量流量値から、予め設定した値だけ逸脱している場合、前記補正空気質量流量値を求める際に、求めた前記空気質量流量オフセットを考慮する、請求項1から7までのいずれか1項記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016202803.0A DE102016202803B3 (de) | 2016-02-24 | 2016-02-24 | Verfahren zum Ermitteln einer Luftmasse in einer Brennkraftmaschine |
DE102016202803.0 | 2016-02-24 | ||
PCT/EP2016/078596 WO2017144132A1 (de) | 2016-02-24 | 2016-11-23 | Verfahren zum ermitteln einer luftmasse in einer brennkraftmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019507844A JP2019507844A (ja) | 2019-03-22 |
JP6679743B2 true JP6679743B2 (ja) | 2020-04-15 |
Family
ID=57394562
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018544522A Active JP6679743B2 (ja) | 2016-02-24 | 2016-11-23 | 内燃機関において空気質量を求める方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US11092104B2 (ja) |
EP (1) | EP3420212B1 (ja) |
JP (1) | JP6679743B2 (ja) |
KR (1) | KR102045699B1 (ja) |
CN (1) | CN108699982B (ja) |
DE (1) | DE102016202803B3 (ja) |
WO (1) | WO2017144132A1 (ja) |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55139939A (en) | 1979-04-20 | 1980-11-01 | Hitachi Ltd | Air flow leading method |
DE3910676C2 (de) * | 1989-04-03 | 1999-03-04 | Pierburg Ag | Luftmassenstrom-Meßeinrichtung |
DE19927674B4 (de) * | 1999-06-17 | 2010-09-02 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Steuerung einer Brennkraftmaschine |
DE10133526A1 (de) * | 2001-07-11 | 2003-01-30 | Bosch Gmbh Robert | Verfahren zur Kompensation der Messabweichung eines Luftmassensensors |
JP2003129896A (ja) * | 2001-10-25 | 2003-05-08 | Mitsubishi Electric Corp | エンジン制御装置 |
US6736121B2 (en) * | 2002-06-04 | 2004-05-18 | Ford Global Technologies, Llc | Method for air-fuel ratio sensor diagnosis |
JP2004239105A (ja) | 2003-02-04 | 2004-08-26 | Hitachi Unisia Automotive Ltd | エンジンの吸入空気量検出装置 |
DE102004005532A1 (de) * | 2003-02-04 | 2004-08-26 | Hitachi Unisia Automotive, Ltd., Atsugi | Ansaugluftmengen-Erfassungsvorrichtung für einen Motor und Verfahren davon |
DE102004005134A1 (de) * | 2004-02-02 | 2005-08-18 | Siemens Ag | Verfahren zum Adaptieren eines Messwertes eines Luftmassensensors |
JP4424182B2 (ja) * | 2004-12-06 | 2010-03-03 | 株式会社デンソー | 内燃機関の排気温度推定装置 |
JP4396510B2 (ja) * | 2004-12-17 | 2010-01-13 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
CN100445543C (zh) * | 2005-01-11 | 2008-12-24 | 丰田自动车株式会社 | 吸入空气量偏差检测装置 |
DE102005025884A1 (de) * | 2005-06-06 | 2006-12-07 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Korrektur eines Signals eines Sensors |
DE102012219290A1 (de) * | 2012-10-23 | 2014-04-24 | Continental Automotive Gmbh | Verfahren zum Betreiben eines Luftmassenmessers |
DE102012219287A1 (de) * | 2012-10-23 | 2014-04-24 | Continental Automotive Gmbh | Verfahren zum Betreiben eines Luftmassenmessers |
-
2016
- 2016-02-24 DE DE102016202803.0A patent/DE102016202803B3/de active Active
- 2016-11-23 WO PCT/EP2016/078596 patent/WO2017144132A1/de active Application Filing
- 2016-11-23 JP JP2018544522A patent/JP6679743B2/ja active Active
- 2016-11-23 CN CN201680082584.9A patent/CN108699982B/zh active Active
- 2016-11-23 KR KR1020187024105A patent/KR102045699B1/ko active IP Right Grant
- 2016-11-23 US US16/079,474 patent/US11092104B2/en active Active
- 2016-11-23 EP EP16801189.8A patent/EP3420212B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
CN108699982A (zh) | 2018-10-23 |
EP3420212B1 (de) | 2021-04-14 |
CN108699982B (zh) | 2021-07-09 |
KR102045699B1 (ko) | 2019-11-15 |
US11092104B2 (en) | 2021-08-17 |
US20210003089A1 (en) | 2021-01-07 |
KR20180101578A (ko) | 2018-09-12 |
JP2019507844A (ja) | 2019-03-22 |
WO2017144132A1 (de) | 2017-08-31 |
DE102016202803B3 (de) | 2017-08-17 |
EP3420212A1 (de) | 2019-01-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6000309B2 (ja) | 内燃機関のegr流量推定装置、及び内燃機関の制御装置 | |
JP5642222B2 (ja) | 内燃機関の制御装置 | |
US7151994B2 (en) | Calculation of air charge amount in internal combustion engine | |
JP6350432B2 (ja) | 内燃機関の制御装置 | |
US9322349B2 (en) | Internal combustion engine control apparatus | |
JP5642233B1 (ja) | 内燃機関の制御装置 | |
JP2004251182A (ja) | 内燃機関の内部egr量推定装置 | |
CN105927408A (zh) | 用于内燃机的控制装置和控制方法 | |
JP2017072059A (ja) | 内燃機関の制御装置および内燃機関の制御方法 | |
JP2017020382A (ja) | 内燃機関の制御装置 | |
JP6679743B2 (ja) | 内燃機関において空気質量を求める方法 | |
JP2013160121A (ja) | 内燃機関の空気量計測装置及び空気量計測方法 | |
JP2008002833A (ja) | 吸気流量補正装置 | |
JP5611166B2 (ja) | 内燃機関の吸気パラメータ算出装置 | |
JPWO2015156013A1 (ja) | 内燃機関の制御装置および制御方法 | |
JP6536223B2 (ja) | 筒内圧力推定方法及びそれに基づく筒内圧力制御方法 | |
JP5056806B2 (ja) | 内燃機関の制御装置 | |
JP6536222B2 (ja) | 筒内圧力推定方法及びそれに基づく筒内圧力制御方法 | |
JP2730760B2 (ja) | エンジンの吸入空気量検出装置 | |
JP2017002742A (ja) | 内燃機関の吸気量算出装置 | |
JP6332014B2 (ja) | 内燃機関制御装置 | |
JP4923012B2 (ja) | 内燃機関の制御装置 | |
JP2015229948A (ja) | 内燃機関の空気量推定装置 | |
JP2015086845A (ja) | 内燃機関のスロットル開度制御装置 | |
JP2006052678A (ja) | 内燃機関の制御装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20180823 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20190729 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20190730 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190910 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20190930 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20191225 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200123 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20200302 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20200318 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6679743 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R360 | Written notification for declining of transfer of rights |
Free format text: JAPANESE INTERMEDIATE CODE: R360 |
|
R360 | Written notification for declining of transfer of rights |
Free format text: JAPANESE INTERMEDIATE CODE: R360 |
|
R371 | Transfer withdrawn |
Free format text: JAPANESE INTERMEDIATE CODE: R371 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |