JP2009052499A - 内燃機関のバルブタイミング制御装置 - Google Patents
内燃機関のバルブタイミング制御装置 Download PDFInfo
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- JP2009052499A JP2009052499A JP2007221112A JP2007221112A JP2009052499A JP 2009052499 A JP2009052499 A JP 2009052499A JP 2007221112 A JP2007221112 A JP 2007221112A JP 2007221112 A JP2007221112 A JP 2007221112A JP 2009052499 A JP2009052499 A JP 2009052499A
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- valve timing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
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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
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
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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
-
- 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
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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
- F02D41/2406—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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2800/00—Methods of operation using a variable valve timing mechanism
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2800/00—Methods of operation using a variable valve timing mechanism
- F01L2800/11—Fault detection, diagnosis
-
- 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
- F02D2041/001—Controlling intake air for engines with variable valve actuation
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
【解決手段】運転状態に応じて吸気バルブ、排気バルブの一方に対する目標バルブタイミングを算出する目標バルブタイミング算出手段202と、吸気バルブ、排気バルブの一方の実バルブタイミングを検出する実バルブタイミング検出手段203と、目標及び実バルブタイミングの偏差に基づきVVTに対する制御量を発生する実バルブタイミング制御手段204と、前記実バルブタイミングの保持に要する制御量の学習値を前記積分補正値に基づいて学習する学習手段206と、学習が未完了の場合、実バルブタイミングの動作量によりVVTの故障を検出し、完了済の場合、目標及び実バルブタイミングの偏差によりVVTの故障を検出するバルブタイミング可変機構故障検出手段209とを設けた。
【選択図】図3
Description
この発明の実施の形態1に係る内燃機関のバルブタイミング制御装置について図1から図7までを参照しながら説明する。図1は、この発明の実施の形態1に係るバルブタイミング制御装置を有する内燃機関の概略断面構成を示す図である。なお、以降では、各図中、同一符号は同一又は相当部分を示す。
Claims (2)
- 各種センサ信号から内燃機関の運転状態を検出する運転状態検出手段と、
前記運転状態に応じて前記内燃機関の吸気バルブ及び排気バルブの少なくとも一方に対する目標バルブタイミングを算出する目標バルブタイミング算出手段と、
前記吸気バルブ及び排気バルブの少なくとも一方の実バルブタイミングを検出する実バルブタイミング検出手段と、
前記目標バルブタイミング及び実バルブタイミングの偏差に基づいてバルブタイミング可変機構に対する制御量を発生する実バルブタイミング制御手段と、
前記偏差を積算して前記制御量を補正するための積分補正値を算出する積分制御手段と、
前記実バルブタイミングの保持に要する制御量の学習値を前記積分補正値に基づいて学習する学習手段と、
前記積分補正値を初期化すべき運転状態を初期化条件として検出する初期化条件検出手段と、
前記初期化条件が検出されたときに前記積分補正値を運転状態に応じた最適値に初期化する初期化手段と、
前記学習手段による学習が未完了の場合には、第1の検出方法により前記バルブタイミング可変機構の故障を検出し、前記学習手段による学習が完了済の場合には、第2の検出方法により前記バルブタイミング可変機構の故障を検出するバルブタイミング可変機構故障検出手段と
を備えたことを特徴とする内燃機関のバルブタイミング制御装置。 - 前記バルブタイミング可変機構故障検出手段は、前記学習手段による学習が未完了の場合には、前記実バルブタイミングの動作量により前記バルブタイミング可変機構の故障を検出し、前記学習手段による学習が完了済の場合には、前記目標バルブタイミング及び実バルブタイミングの偏差により前記バルブタイミング可変機構の故障を検出する
ことを特徴とする請求項1記載の内燃機関のバルブタイミング制御装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007221112A JP4475473B2 (ja) | 2007-08-28 | 2007-08-28 | 内燃機関のバルブタイミング制御装置 |
US12/038,149 US7673599B2 (en) | 2007-08-28 | 2008-02-27 | Valve timing control device for an internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007221112A JP4475473B2 (ja) | 2007-08-28 | 2007-08-28 | 内燃機関のバルブタイミング制御装置 |
Publications (2)
Publication Number | Publication Date |
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JP2009052499A true JP2009052499A (ja) | 2009-03-12 |
JP4475473B2 JP4475473B2 (ja) | 2010-06-09 |
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JP2007221112A Expired - Fee Related JP4475473B2 (ja) | 2007-08-28 | 2007-08-28 | 内燃機関のバルブタイミング制御装置 |
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US (1) | US7673599B2 (ja) |
JP (1) | JP4475473B2 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20130133947A (ko) * | 2012-05-30 | 2013-12-10 | 콘티넨탈 오토모티브 시스템 주식회사 | 밸브리프트 가변 제어 시스템에서의 밸브 리프트 진단 방법 및 장치 |
JP2015531443A (ja) * | 2012-09-12 | 2015-11-02 | ルノー エス.ア.エス. | カムシャフトのタイミング変更装置の不良検出方法 |
CN108386282A (zh) * | 2018-03-29 | 2018-08-10 | 吉利汽车研究院(宁波)有限公司 | 气门工作状态调节方法与装置 |
CN110107410A (zh) * | 2019-04-23 | 2019-08-09 | 东风汽车集团有限公司 | 一种vvt初始角度学习控制方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5115592B2 (ja) * | 2010-06-10 | 2013-01-09 | トヨタ自動車株式会社 | 内燃機関の可変動弁装置 |
KR102474614B1 (ko) * | 2018-08-23 | 2022-12-06 | 현대자동차주식회사 | 재학습 분류방식 cvvd 위치학습 방법 및 cvvd 시스템 |
KR102529454B1 (ko) * | 2018-08-30 | 2023-05-08 | 현대자동차주식회사 | 조건적용방식 cvvd 위치학습 방법 및 cvvd 시스템 |
US10947932B2 (en) * | 2019-06-24 | 2021-03-16 | Ford Global Technologies, Llc | Methods and systems for adjusting a flow of gases in a scavenge exhaust gas recirculation system of a split exhaust engine system |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3756327B2 (ja) | 1998-08-25 | 2006-03-15 | 株式会社日立製作所 | 油圧式可変バルブタイミング機構の診断装置 |
JP3477128B2 (ja) | 1999-11-30 | 2003-12-10 | 三菱電機株式会社 | 内燃機関のバルブタイミング制御装置 |
JP2007255401A (ja) * | 2006-03-27 | 2007-10-04 | Denso Corp | 機関バルブの制御装置及び機関バルブの制御システム |
-
2007
- 2007-08-28 JP JP2007221112A patent/JP4475473B2/ja not_active Expired - Fee Related
-
2008
- 2008-02-27 US US12/038,149 patent/US7673599B2/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20130133947A (ko) * | 2012-05-30 | 2013-12-10 | 콘티넨탈 오토모티브 시스템 주식회사 | 밸브리프트 가변 제어 시스템에서의 밸브 리프트 진단 방법 및 장치 |
JP2015531443A (ja) * | 2012-09-12 | 2015-11-02 | ルノー エス.ア.エス. | カムシャフトのタイミング変更装置の不良検出方法 |
CN108386282A (zh) * | 2018-03-29 | 2018-08-10 | 吉利汽车研究院(宁波)有限公司 | 气门工作状态调节方法与装置 |
CN108386282B (zh) * | 2018-03-29 | 2020-09-08 | 吉利汽车研究院(宁波)有限公司 | 气门工作状态调节方法与装置 |
CN110107410A (zh) * | 2019-04-23 | 2019-08-09 | 东风汽车集团有限公司 | 一种vvt初始角度学习控制方法 |
Also Published As
Publication number | Publication date |
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JP4475473B2 (ja) | 2010-06-09 |
US7673599B2 (en) | 2010-03-09 |
US20090056652A1 (en) | 2009-03-05 |
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