JP7298555B2 - 噴射制御装置 - Google Patents
噴射制御装置 Download PDFInfo
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- JP7298555B2 JP7298555B2 JP2020111599A JP2020111599A JP7298555B2 JP 7298555 B2 JP7298555 B2 JP 7298555B2 JP 2020111599 A JP2020111599 A JP 2020111599A JP 2020111599 A JP2020111599 A JP 2020111599A JP 7298555 B2 JP7298555 B2 JP 7298555B2
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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
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
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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
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
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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
- F02D41/02—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
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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
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D41/221—Safety or indicating devices for abnormal conditions relating to the failure of actuators or electrically driven elements
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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
- F02D41/24—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
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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
- F02D41/30—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
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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
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/2003—Output circuits, e.g. for controlling currents in command coils using means for creating a boost voltage, i.e. generation or use of a voltage higher than the battery voltage, e.g. to speed up injector opening
- F02D2041/2013—Output circuits, e.g. for controlling currents in command coils using means for creating a boost voltage, i.e. generation or use of a voltage higher than the battery voltage, e.g. to speed up injector opening by using a boost voltage source
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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
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
- F02D2041/2024—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit the control switching a load after time-on and time-off pulses
- F02D2041/2027—Control of the current by pulse width modulation or duty cycle control
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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
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
- F02D2041/2034—Control of the current gradient
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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
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
- F02D2041/2041—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit for controlling the current in the free-wheeling phase
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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
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
- F02D2041/2058—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit using information of the actual current value
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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
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D2041/224—Diagnosis of the fuel system
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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
- 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
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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
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/023—Temperature of lubricating oil or working fluid
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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
- F02D41/02—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
- F02D41/1493—Details
- F02D41/1495—Detection of abnormalities in the air/fuel ratio feedback system
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- 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
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- 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)
- Fuel-Injection Apparatus (AREA)
Description
Claims (2)
- 内燃機関に燃料を供給する燃料噴射弁(2)を電流駆動することにより、燃料噴射を制御する噴射制御装置であって、
前記燃料噴射弁の燃料噴射量の指令値(TQ)を出力する燃料噴射量指令値出力部(14)と、
前記燃料噴射量指令値に応じた通電電流積算値を得るような通電時間と通電電流値との関係を示した通電電流プロファイル(PI)に基づいて前記燃料噴射弁に対する電流制御を実行する制御部(5)とを備え、
前記制御部は、前記通電電流プロファイルの積算電流と、電流検出部の検出した前記燃料噴射弁に流れる電流の積算電流との差に基づいて積算電流値を同等とするように通電時間の面積補正量(ΔTi)を算出して補正を行う電流面積補正を行うように構成されていると共に、
前記内燃機関の冷却水温の検知信号に基づいて、前記電流面積補正の補正制御が変更され、
前記面積補正量が異常判定値(TML)以上のときに、面積補正異常を判定する面積補正異常判定部(15)を備え、
前記面積補正異常判定部は、前記冷却水温の検知信号に基づいて、前記電流面積補正の補正制御の変更として、前記異常判定値を変更するものであり、前記冷却水温が第1閾値未満のときに、前記異常判定値を所定の下限値とし、前記冷却水温が前記第1閾値以上且つ第2閾値未満のときに、該冷却水温の上昇に伴い前記異常判定値を前記下限値から次第に増加させるように変更する噴射制御装置。 - 前記面積補正異常判定部は、前記冷却水温が第2閾値以上のときに、前記異常判定値を所定の上限値とする請求項1記載の噴射制御装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020111599A JP7298555B2 (ja) | 2020-06-29 | 2020-06-29 | 噴射制御装置 |
US17/333,088 US11181067B1 (en) | 2020-06-29 | 2021-05-28 | Injection control device |
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JP2020111599A JP7298555B2 (ja) | 2020-06-29 | 2020-06-29 | 噴射制御装置 |
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JP2022010839A JP2022010839A (ja) | 2022-01-17 |
JP7298555B2 true JP7298555B2 (ja) | 2023-06-27 |
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JP2020111599A Active JP7298555B2 (ja) | 2020-06-29 | 2020-06-29 | 噴射制御装置 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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DE112019002301T5 (de) * | 2018-07-20 | 2021-02-18 | Hitachi Automotive Systems, Ltd. | Kraftstoffeinspritzungs-Steuervorrichtung |
JP7298554B2 (ja) * | 2020-06-29 | 2023-06-27 | 株式会社デンソー | 噴射制御装置 |
JP7367625B2 (ja) * | 2020-06-29 | 2023-10-24 | 株式会社デンソー | 噴射制御装置 |
JP7428094B2 (ja) * | 2020-07-16 | 2024-02-06 | 株式会社デンソー | 噴射制御装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2004053317A1 (ja) | 2002-12-10 | 2004-06-24 | Mikuni Corporation | 燃料噴射制御方法及び燃料噴射制御装置 |
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JPS5946331A (ja) * | 1982-09-09 | 1984-03-15 | Toyota Motor Corp | 内燃機関の燃料噴射量制御方法 |
JP4110751B2 (ja) * | 2001-06-18 | 2008-07-02 | 株式会社日立製作所 | インジェクタ駆動制御装置 |
US9453488B2 (en) * | 2013-10-29 | 2016-09-27 | Continental Automotive Systems, Inc. | Direct injection solenoid injector opening time detection |
DE102014203364B4 (de) * | 2014-02-25 | 2023-03-23 | Vitesco Technologies GmbH | Verfahren und Vorrichtung zum Betrieb eines Ventils, insbesondere für ein Speichereinspritzsystem |
JP6292070B2 (ja) | 2014-07-31 | 2018-03-14 | 株式会社デンソー | 燃料噴射制御装置 |
JP6327195B2 (ja) * | 2015-04-27 | 2018-05-23 | 株式会社デンソー | 制御装置 |
US10060374B2 (en) * | 2015-04-29 | 2018-08-28 | General Electric Company | Engine system and method |
JP7172753B2 (ja) | 2019-03-07 | 2022-11-16 | 株式会社デンソー | 噴射制御装置 |
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WO2004053317A1 (ja) | 2002-12-10 | 2004-06-24 | Mikuni Corporation | 燃料噴射制御方法及び燃料噴射制御装置 |
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JP2022010839A (ja) | 2022-01-17 |
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