JP7172063B2 - 噴射制御装置 - Google Patents
噴射制御装置 Download PDFInfo
- Publication number
- JP7172063B2 JP7172063B2 JP2018037708A JP2018037708A JP7172063B2 JP 7172063 B2 JP7172063 B2 JP 7172063B2 JP 2018037708 A JP2018037708 A JP 2018037708A JP 2018037708 A JP2018037708 A JP 2018037708A JP 7172063 B2 JP7172063 B2 JP 7172063B2
- Authority
- JP
- Japan
- Prior art keywords
- injection
- time
- timing
- calculation
- injection time
- 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
- F02D41/009—Electrical control of supply of combustible mixture or its constituents using means for generating position or synchronisation signals
-
- 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
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
- F02D41/263—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor the program execution being modifiable by physical parameters
-
- 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
- F02D41/30—Controlling fuel injection
- F02D41/32—Controlling fuel injection of the low pressure type
- F02D41/34—Controlling fuel injection of the low pressure type with means for controlling injection timing or duration
-
- 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
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
-
- 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
- F02D2200/022—Estimation of 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
- F02D2200/0414—Air 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
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0602—Fuel pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2250/00—Engine control related to specific problems or objectives
- F02D2250/12—Timing of calculation, i.e. specific timing aspects when calculation or updating of engine parameter is performed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2250/00—Engine control related to specific problems or objectives
- F02D2250/14—Timing of measurement, e.g. synchronisation of measurements to the engine cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2700/00—Mechanical control of speed or power of a single cylinder piston engine
- F02D2700/10—Control of the timing of the fuel supply period with relation to the piston movement
-
- 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
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
以上、本開示の一実施形態について説明したが、本開示は、上記実施形態に限定して解釈されるものではなく、本開示の要旨を逸脱しない範囲内において種々の実施形態及び組み合わせに適用することができる。例えば上記実施形態に記載の各構成は、特に組み合わせに支障が生じなければ、下記の変形例等に記載の各構成と適宜組み合わせ可能である。さらに、下記の変形例等に記載された構成同士も、適宜組み合わされてよい。
Claims (8)
- 内燃機関(2)に設けられた一つの気筒(2b)へ向けて、燃料の噴射量の算出時間より短い噴射時間で燃料噴射を行うように燃料噴射弁(10)を制御する噴射制御装置であって、
複数のセンサ(21~25)によって検出された前記内燃機関の動作に相関する状態を示す状態情報を取得する情報取得部(51)と、
前記状態情報に基づき、燃料噴射での噴射時間を仮噴射時間(Tpr)として設定し、前記仮噴射時間の設定後に取得される前記状態情報に基づき、前記燃料噴射での噴射時間を確定噴射時間(Tcn)として再設定する噴射設定部(52)と、
前記噴射設定部での前記確定噴射時間の演算開始タイミング(tcs)を前記燃料噴射弁の駆動開始タイミングに対し先行させる先行時間(Tpt)を、前記仮噴射時間に応じて調整するものであり、前記仮噴射時間が切替閾値(Tth)未満である場合に、前記仮噴射時間が前記切替閾値を超えている場合よりも、前記先行時間を長くするタイミング調整部(53)と、を備える噴射制御装置。 - 前記タイミング調整部は、前記仮噴射時間が前記切替閾値を超えている場合に、前記駆動開始タイミングと前記演算開始タイミングとを実質同一のタイミングに設定する請求項1に記載の噴射制御装置。
- 前記噴射設定部における前記確定噴射時間の演算が、前記燃料噴射弁の駆動終了タイミング(tdf)までに完了したか否かを判定する完了判定部(54)、をさらに備える請求項1又は2に記載の噴射制御装置。
- 前記タイミング調整部は、前記確定噴射時間の演算が前記駆動終了タイミングまでに完了しなかった場合に、次回の燃料噴射における前記演算開始タイミングを、前記駆動開始タイミングに対し先行させる請求項3に記載の噴射制御装置。
- 前記タイミング調整部は、前記仮噴射時間が前記切替閾値を超えており、且つ、前記確定噴射時間の演算が前記駆動終了タイミングまでに完了しなかった場合には、今回の燃料噴射における前記切替閾値よりも、次回の燃料噴射における前記切替閾値を大きくする請求項3又は4に記載の噴射制御装置。
- 前記タイミング調整部は、前記仮噴射時間が前記切替閾値を超えており、且つ、前記確定噴射時間の演算について前記駆動終了タイミングまでに完了する状況が所定期間(TP)継続した場合には、今回の燃料噴射における前記切替閾値よりも、次回の燃料噴射における前記切替閾値を小さくする請求項3~5のいずれか一項に記載の噴射制御装置。
- 前記タイミング調整部は、前記仮噴射時間が前記切替閾値未満であり、且つ、前記確定噴射時間の演算が前記駆動終了タイミングまでに完了しなかった場合には、今回の燃料噴射における前記先行時間よりも、次回の燃料噴射における前記先行時間を長くする請求項3~6のいずれか一項に記載の噴射制御装置。
- 前記タイミング調整部は、前記仮噴射時間が前記切替閾値未満であり、且つ、前記確定噴射時間の演算について前記駆動終了タイミングまでに完了する状況が所定期間(TP)継続した場合には、今回の燃料噴射における前記先行時間よりも、次回の燃料噴射における前記先行時間を短くする請求項3~7のいずれか一項に記載の噴射制御装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018037708A JP7172063B2 (ja) | 2018-03-02 | 2018-03-02 | 噴射制御装置 |
DE102019202641.9A DE102019202641B4 (de) | 2018-03-02 | 2019-02-27 | Einspritzsteuerungsvorrichtung und verfahren zum steuern eines kraftstoffeinspritzventils |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018037708A JP7172063B2 (ja) | 2018-03-02 | 2018-03-02 | 噴射制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019152144A JP2019152144A (ja) | 2019-09-12 |
JP7172063B2 true JP7172063B2 (ja) | 2022-11-16 |
Family
ID=67622967
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018037708A Active JP7172063B2 (ja) | 2018-03-02 | 2018-03-02 | 噴射制御装置 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP7172063B2 (ja) |
DE (1) | DE102019202641B4 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7183861B2 (ja) | 2019-02-26 | 2022-12-06 | 株式会社デンソー | 電子制御装置 |
JP2021161974A (ja) | 2020-03-31 | 2021-10-11 | 本田技研工業株式会社 | 燃料噴射制御装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000192841A (ja) | 1998-11-26 | 2000-07-11 | Magneti Marelli Spa | 内燃機関の燃焼室中への燃料の直接注入を制御する方法 |
JP2005248721A (ja) | 2004-03-01 | 2005-09-15 | Denso Corp | 内燃機関の燃料噴射制御装置 |
JP2011021489A (ja) | 2009-07-13 | 2011-02-03 | Denso Corp | 燃料噴射制御装置 |
JP2012057581A (ja) | 2010-09-10 | 2012-03-22 | Toyota Industries Corp | 燃料噴射制御装置 |
JP2017133438A (ja) | 2016-01-28 | 2017-08-03 | 日立オートモティブシステムズ株式会社 | 内燃機関の燃料噴射制御装置及び燃料噴射システム |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60166734A (ja) * | 1984-02-09 | 1985-08-30 | Honda Motor Co Ltd | 多気筒内燃エンジンの燃料供給制御方法 |
DE10056477B9 (de) | 1999-11-17 | 2016-03-03 | Denso Corporation | Brennstoffeinspritzvorrichtung für eine Brennkraftmaschine |
JP2007332944A (ja) | 2006-06-19 | 2007-12-27 | Nissan Motor Co Ltd | 内燃機関の燃料噴射制御装置 |
-
2018
- 2018-03-02 JP JP2018037708A patent/JP7172063B2/ja active Active
-
2019
- 2019-02-27 DE DE102019202641.9A patent/DE102019202641B4/de active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000192841A (ja) | 1998-11-26 | 2000-07-11 | Magneti Marelli Spa | 内燃機関の燃焼室中への燃料の直接注入を制御する方法 |
JP2005248721A (ja) | 2004-03-01 | 2005-09-15 | Denso Corp | 内燃機関の燃料噴射制御装置 |
JP2011021489A (ja) | 2009-07-13 | 2011-02-03 | Denso Corp | 燃料噴射制御装置 |
JP2012057581A (ja) | 2010-09-10 | 2012-03-22 | Toyota Industries Corp | 燃料噴射制御装置 |
JP2017133438A (ja) | 2016-01-28 | 2017-08-03 | 日立オートモティブシステムズ株式会社 | 内燃機関の燃料噴射制御装置及び燃料噴射システム |
Also Published As
Publication number | Publication date |
---|---|
DE102019202641B4 (de) | 2024-05-16 |
DE102019202641A1 (de) | 2019-09-05 |
JP2019152144A (ja) | 2019-09-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2039919B1 (en) | Fuel injection system learning average of injection quantities for correcting injection characteristic of fuel injector | |
US7706961B2 (en) | Diesel engine system and method of controlling diesel engine | |
CN108487997B (zh) | 用于内燃机的燃料喷射控制装置 | |
JP5136617B2 (ja) | 燃料噴射波形演算装置 | |
JP7172063B2 (ja) | 噴射制御装置 | |
JP4235381B2 (ja) | 2つの噴射過程の間の間隔を調整するための方法および装置 | |
JP3807270B2 (ja) | 蓄圧式燃料噴射装置 | |
JP2010261334A (ja) | 燃料噴射制御装置 | |
US6539922B2 (en) | Fuel pressure control apparatus and method of internal combustion engine | |
JP5400817B2 (ja) | 内燃機関の燃料噴射制御装置 | |
JP5505139B2 (ja) | 内燃機関の制御装置 | |
US20160115923A1 (en) | Method for actuating a camshaft | |
JP2013137028A (ja) | 内燃機関の燃料噴射制御装置及び方法 | |
JP4707795B2 (ja) | 内燃機関の燃料圧力制御装置 | |
US11174802B2 (en) | Control system for internal combustion engine, and internal combustion engine | |
US10895217B2 (en) | Control apparatus for internal combustion engine | |
US11060474B2 (en) | Fuel injection control device | |
CN109838318B (zh) | 内燃机的控制装置及控制方法 | |
JP4238043B2 (ja) | 内燃機関の燃料噴射制御装置 | |
JP7127300B2 (ja) | 噴射制御装置 | |
JP3975717B2 (ja) | 燃料噴射制御システムおよび燃料噴射制御方法 | |
JP6252327B2 (ja) | 燃料供給制御装置 | |
US20240044303A1 (en) | Injection control device | |
JP4720552B2 (ja) | 可変動弁機構の制御装置 | |
JP2007239715A (ja) | 可変動弁機構の制御装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20210120 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20211223 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220201 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220330 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220823 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220919 |
|
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: 20221004 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20221017 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 7172063 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |