JP7255432B2 - 噴射制御装置 - Google Patents

噴射制御装置 Download PDF

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Publication number
JP7255432B2
JP7255432B2 JP2019164524A JP2019164524A JP7255432B2 JP 7255432 B2 JP7255432 B2 JP 7255432B2 JP 2019164524 A JP2019164524 A JP 2019164524A JP 2019164524 A JP2019164524 A JP 2019164524A JP 7255432 B2 JP7255432 B2 JP 7255432B2
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Japan
Prior art keywords
cylinder
valve
valve closing
detection
designating
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
Application number
JP2019164524A
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English (en)
Japanese (ja)
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JP2021042699A5 (enExample
JP2021042699A (ja
Inventor
雅司 稲葉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Corp
Original Assignee
Denso Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Denso Corp filed Critical Denso Corp
Priority to JP2019164524A priority Critical patent/JP7255432B2/ja
Priority to US17/014,303 priority patent/US11591982B2/en
Publication of JP2021042699A publication Critical patent/JP2021042699A/ja
Publication of JP2021042699A5 publication Critical patent/JP2021042699A5/ja
Application granted granted Critical
Publication of JP7255432B2 publication Critical patent/JP7255432B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2425—Particular ways of programming the data
    • F02D41/2429—Methods of calibrating or learning
    • F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
    • F02D41/2464—Characteristics of actuators
    • F02D41/2467—Characteristics of actuators for injectors
    • 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
    • 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
    • F02D41/402—Multiple injections
    • 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
    • F02D2041/2006—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 capacitor
    • 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
    • F02D2041/201—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 inductance
    • 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
    • F02D2041/2055—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit with means for determining actual opening or closing time
    • 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)
  • Combined Controls Of Internal Combustion Engines (AREA)
JP2019164524A 2019-09-10 2019-09-10 噴射制御装置 Active JP7255432B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2019164524A JP7255432B2 (ja) 2019-09-10 2019-09-10 噴射制御装置
US17/014,303 US11591982B2 (en) 2019-09-10 2020-09-08 Injection control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019164524A JP7255432B2 (ja) 2019-09-10 2019-09-10 噴射制御装置

Publications (3)

Publication Number Publication Date
JP2021042699A JP2021042699A (ja) 2021-03-18
JP2021042699A5 JP2021042699A5 (enExample) 2022-01-20
JP7255432B2 true JP7255432B2 (ja) 2023-04-11

Family

ID=74849529

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019164524A Active JP7255432B2 (ja) 2019-09-10 2019-09-10 噴射制御装置

Country Status (2)

Country Link
US (1) US11591982B2 (enExample)
JP (1) JP7255432B2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7472824B2 (ja) * 2021-02-26 2024-04-23 株式会社デンソー 燃料噴射制御装置
KR102675591B1 (ko) * 2023-05-22 2024-06-13 주식회사 현대케피코 인젝터 열림시간 학습 방법 및 장치

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000257492A (ja) 1999-03-04 2000-09-19 Toyota Motor Corp インジェクタ駆動方法及び駆動回路
WO2015004988A1 (ja) 2013-07-10 2015-01-15 日立オートモティブシステムズ株式会社 内燃機関の制御装置
WO2016129402A1 (ja) 2015-02-09 2016-08-18 日立オートモティブシステムズ株式会社 燃料噴射弁の制御装置
JP2021042698A (ja) 2019-09-10 2021-03-18 株式会社デンソー 噴射制御装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013191267A1 (ja) 2012-06-21 2013-12-27 日立オートモティブシステムズ株式会社 内燃機関の制御装置
JP6087726B2 (ja) 2013-05-23 2017-03-01 トヨタ自動車株式会社 燃料噴射特性検出装置
JP6007331B2 (ja) * 2013-07-29 2016-10-12 日立オートモティブシステムズ株式会社 燃料噴射装置の駆動装置および燃料噴射システム
WO2015125551A2 (ja) * 2014-02-18 2015-08-27 日立オートモティブシステムズ株式会社 燃料噴射弁制御装置
US10024248B2 (en) * 2014-04-25 2018-07-17 Mazda Motor Corporation Engine control device
JP2019085925A (ja) 2017-11-07 2019-06-06 株式会社デンソー 噴射制御装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000257492A (ja) 1999-03-04 2000-09-19 Toyota Motor Corp インジェクタ駆動方法及び駆動回路
WO2015004988A1 (ja) 2013-07-10 2015-01-15 日立オートモティブシステムズ株式会社 内燃機関の制御装置
WO2016129402A1 (ja) 2015-02-09 2016-08-18 日立オートモティブシステムズ株式会社 燃料噴射弁の制御装置
JP2021042698A (ja) 2019-09-10 2021-03-18 株式会社デンソー 噴射制御装置

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US11591982B2 (en) 2023-02-28
US20210071610A1 (en) 2021-03-11
JP2021042699A (ja) 2021-03-18

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