JP4151602B2 - 可変動弁機構の基準位置学習装置 - Google Patents
可変動弁機構の基準位置学習装置 Download PDFInfo
- Publication number
- JP4151602B2 JP4151602B2 JP2004119797A JP2004119797A JP4151602B2 JP 4151602 B2 JP4151602 B2 JP 4151602B2 JP 2004119797 A JP2004119797 A JP 2004119797A JP 2004119797 A JP2004119797 A JP 2004119797A JP 4151602 B2 JP4151602 B2 JP 4151602B2
- Authority
- JP
- Japan
- Prior art keywords
- learning
- valve mechanism
- variable valve
- lift
- reference position
- 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.)
- Expired - Fee Related
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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
- 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
- F02D13/0223—Variable control of the intake valves only
- F02D13/0226—Variable control of the intake valves only changing valve lift or valve lift and timing
-
- 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
-
- 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
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
- F01L13/0063—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot
- F01L2013/0073—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot with an oscillating cam acting on the valve of the "Delphi" type
-
- 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
- F02D13/0203—Variable control of intake and exhaust valves
- F02D13/0207—Variable control of intake and exhaust valves changing valve lift or valve lift and timing
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Valve Device For Special Equipments (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Electrical Control Of Ignition Timing (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
2…駆動軸
3…駆動偏心軸部
4…第1リンク
6…ロッカアーム
8…第2リンク
9…揺動カム
12…制御軸
13…作動角アクチュエータ
14…制御軸センサ(検出手段)
18…制御偏心軸部
19…エンジンコントロールユニット
21…位相可変機構
40…コンサルト
Claims (7)
- 吸気弁又は排気弁のリフト特性を連続的に変化させる可変動弁機構において、上記リフト特性又はその相当値を検出する検出手段を有し、
診断用の外部装置からの学習指令信号を受けて、内燃機関を所定の学習運転モードで運転し、この学習運転モード中に、上記リフト特性が通常の機関運転中には用いられることのない特性であって、かつ、少なくともそのバルブリフト量が最小となるように上記可変動弁機構を操作し、このときの上記検出手段の出力に基づいて、この検出手段の出力基準位置を補正又は学習する可変動弁機構の基準位置学習装置。 - 制御軸の回転位置に応じて吸気弁又は排気弁のリフト特性を連続的に変化させる可変動弁機構において、上記制御軸の回転位置を検出する制御軸センサを有し、
診断用の外部装置からの学習指令信号を受けて、内燃機関を所定の学習運転モードで運転し、この学習運転モード中に、上記リフト特性が通常の機関運転中には用いられることのない特性であって、かつ、少なくともそのバルブリフト量が最小となるように上記制御軸を回動操作し、このときの上記制御軸センサの出力に基づいて、この制御軸センサの出力基準位置を補正又は学習する可変動弁機構の基準位置学習装置。 - 上記可変動弁機構が、上記制御軸に偏心して設けられた制御偏心軸部と、この制御偏心軸部に揺動可能に嵌合するロッカアームと、クランクシャフトに連動して回転する駆動軸と、この駆動軸に揺動可能に嵌合し、吸気弁又は排気弁を開閉する揺動カムと、上記駆動軸に偏心して設けられた駆動偏心軸部と、この駆動偏心軸部とロッカアームの一端とを連係する第1リンクと、上記ロッカアームの他端と揺動カムの先端とを連係する第2リンクと、を有する請求項2に記載の可変動弁機構の基準位置学習装置。
- 上記学習運転モードでのリフト特性の最小値は、通常の機関運転中におけるリフト特性の最小目標値よりも更に小さい請求項1〜3のいずれかに記載の可変動弁機構の基準位置学習装置。
- 上記学習運転モードでは、アイドル運転時に比してスロットル開度を増加する請求項1〜4のいずれかに記載の可変動弁機構の基準位置学習装置。
- 上記学習運転モードでは、アイドル運転時に比して燃料噴射量を増量する請求項1〜5のいずれかに記載の可変動弁機構の基準位置学習装置。
- 上記学習運転モードでは、アイドル運転時に比して点火時期を進角する請求項1〜6のいずれかに記載の可変動弁機構の基準位置学習装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004119797A JP4151602B2 (ja) | 2004-04-15 | 2004-04-15 | 可変動弁機構の基準位置学習装置 |
CNB2005100650161A CN100396899C (zh) | 2004-04-15 | 2005-04-12 | 用于内燃机的可变气门控制*** |
US11/106,448 US7308873B2 (en) | 2004-04-15 | 2005-04-15 | Variable valve control system for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004119797A JP4151602B2 (ja) | 2004-04-15 | 2004-04-15 | 可変動弁機構の基準位置学習装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005299578A JP2005299578A (ja) | 2005-10-27 |
JP4151602B2 true JP4151602B2 (ja) | 2008-09-17 |
Family
ID=35094974
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004119797A Expired - Fee Related JP4151602B2 (ja) | 2004-04-15 | 2004-04-15 | 可変動弁機構の基準位置学習装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7308873B2 (ja) |
JP (1) | JP4151602B2 (ja) |
CN (1) | CN100396899C (ja) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4379292B2 (ja) * | 2004-10-19 | 2009-12-09 | トヨタ自動車株式会社 | 内燃機関のバルブ特性推定装置及び制御装置 |
JP2006207575A (ja) * | 2004-12-28 | 2006-08-10 | Nissan Motor Co Ltd | 内燃機関及びその制御方法 |
JP2006220077A (ja) * | 2005-02-10 | 2006-08-24 | Hitachi Ltd | 可変動弁機構の制御装置 |
JP4706547B2 (ja) | 2006-04-24 | 2011-06-22 | トヨタ自動車株式会社 | 内燃機関装置およびこれを搭載する車両並びに内燃機関装置の制御方法 |
JP4583362B2 (ja) * | 2006-12-21 | 2010-11-17 | 日立オートモティブシステムズ株式会社 | 内燃機関の動弁制御装置 |
JP4655036B2 (ja) * | 2006-12-27 | 2011-03-23 | トヨタ自動車株式会社 | 可変動弁機構の制御装置 |
JP4773383B2 (ja) | 2007-02-14 | 2011-09-14 | 日立オートモティブシステムズ株式会社 | エンジンの制御装置及びエンジン調整用外部機器 |
JP4880556B2 (ja) * | 2007-09-27 | 2012-02-22 | 日立オートモティブシステムズ株式会社 | 可変動弁機構の制御装置 |
JP4924486B2 (ja) * | 2008-03-07 | 2012-04-25 | 日産自動車株式会社 | 車両用内燃機関の吸気制御装置 |
JP4525797B2 (ja) * | 2008-05-23 | 2010-08-18 | トヨタ自動車株式会社 | バルブ特性変更機構の異常判定装置 |
JP5071494B2 (ja) * | 2010-03-01 | 2012-11-14 | 日産自動車株式会社 | 内燃機関の制御装置 |
JP2011256802A (ja) * | 2010-06-10 | 2011-12-22 | Toyota Motor Corp | 内燃機関の可変動弁装置 |
US9512749B2 (en) * | 2012-06-05 | 2016-12-06 | GM Global Technology Operations LLC | System and method for calibrating a valve lift sensor and evaluating a valve lift sensor and a hydraulic valve actuator |
CN104153839B (zh) * | 2014-08-29 | 2017-01-11 | 长城汽车股份有限公司 | 连续可变气门升程机构的自检方法 |
KR101693941B1 (ko) * | 2014-12-01 | 2017-01-06 | 현대자동차주식회사 | 점화시기 보상을 통한 중간위상 연속 가변 밸브 제어 시스템 작동성능 향상 방법 |
KR101673557B1 (ko) * | 2014-12-15 | 2016-11-08 | 현대오트론 주식회사 | 연속 가변 밸브 리프트 시스템의 기계적 정지 위치 학습 방법 |
CN106150585B (zh) * | 2015-04-28 | 2019-12-24 | 长城汽车股份有限公司 | 连续可变气门升程机构的控制方法及装置 |
WO2017015355A1 (en) | 2015-07-20 | 2017-01-26 | National Machine Group | Motor driven electromechanical actuator |
JP7010040B2 (ja) * | 2018-02-09 | 2022-01-26 | トヨタ自動車株式会社 | エンジン制御装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4928640A (en) * | 1989-07-20 | 1990-05-29 | Siemens-Bendix Automotive Electronics L.P. | Autocalibration of camshaft phasing feedback in a variable valve timing system |
JP3187674B2 (ja) * | 1995-01-23 | 2001-07-11 | トヨタ自動車株式会社 | 内燃機関のバルブタイミング制御装置 |
JP3881783B2 (ja) | 1997-08-07 | 2007-02-14 | 株式会社日立製作所 | 内燃機関の可変動弁装置 |
JP3953668B2 (ja) * | 1999-01-20 | 2007-08-08 | 株式会社日立製作所 | 内燃機関の可変動弁装置 |
JP4074463B2 (ja) * | 2001-03-19 | 2008-04-09 | 株式会社日立製作所 | 内燃機関の可変動弁装置における制御軸回転角位置センサ出力基準位置学習装置 |
JP4024020B2 (ja) * | 2001-07-30 | 2007-12-19 | 株式会社日立製作所 | 可変バルブ機構の基準位置学習装置 |
US6938593B2 (en) * | 2003-11-13 | 2005-09-06 | Ford Global Technologies, Llc | Computer readable storage medium for use with engine having variable valve actuator |
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2004
- 2004-04-15 JP JP2004119797A patent/JP4151602B2/ja not_active Expired - Fee Related
-
2005
- 2005-04-12 CN CNB2005100650161A patent/CN100396899C/zh not_active Expired - Fee Related
- 2005-04-15 US US11/106,448 patent/US7308873B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN100396899C (zh) | 2008-06-25 |
US7308873B2 (en) | 2007-12-18 |
US20050229883A1 (en) | 2005-10-20 |
JP2005299578A (ja) | 2005-10-27 |
CN1683767A (zh) | 2005-10-19 |
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