JP4297866B2 - 可変動弁機構の診断機能の評価方法及び可変動弁機構の診断装置 - Google Patents
可変動弁機構の診断機能の評価方法及び可変動弁機構の診断装置 Download PDFInfo
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- JP4297866B2 JP4297866B2 JP2004325034A JP2004325034A JP4297866B2 JP 4297866 B2 JP4297866 B2 JP 4297866B2 JP 2004325034 A JP2004325034 A JP 2004325034A JP 2004325034 A JP2004325034 A JP 2004325034A JP 4297866 B2 JP4297866 B2 JP 4297866B2
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- Japan
- Prior art keywords
- variable valve
- valve mechanism
- response
- diagnostic
- actuation
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0256—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults injecting test signals and analyzing monitored process response, e.g. injecting the test signal while interrupting the normal operation of the monitored system; superimposing the test signal onto a control signal during normal operation of the monitored system
-
- 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
- F01L1/3442—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 using hydraulic chambers with variable volume to transmit the rotating force
-
- 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
- F01L1/3442—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 using hydraulic chambers with variable volume to transmit the rotating force
- F01L2001/3445—Details relating to the hydraulic means for changing the angular relationship
- F01L2001/34453—Locking means between driving and driven members
-
- 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
- F01L1/3442—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 using hydraulic chambers with variable volume to transmit the rotating force
- F01L2001/3445—Details relating to the hydraulic means for changing the angular relationship
- F01L2001/34453—Locking means between driving and driven members
- F01L2001/34469—Lock movement parallel to camshaft axis
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/33—Director till display
- G05B2219/33327—Self diagnostic of control system, servo system
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Valve Device For Special Equipments (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
(イ)請求項1〜6のいずれか1つに記載の可変動弁機構の診断機能の評価方法又は可変動弁機構の診断装置において、
目標の作動特性になるように前記可変動弁機構をフィードバック制御したときに目標の作動特性に収束するまでに要した時間に基づいて、応答遅れを診断することを特徴とする可変動弁機構の診断機能の評価方法又は可変動弁機構の診断装置。
(ロ)請求項1〜6のいずれか1つに記載の可変動弁機構の診断機能の評価方法又は可変動弁機構の診断装置において、
目標の作動特性と実際値との偏差が所定以上である状態の継続時間に基づいて、応答遅れを診断することを特徴とする可変動弁機構の診断機能の評価方法又は可変動弁機構の診断装置。
(ハ)請求項4〜6のいずれか1つに記載の可変動弁機構の診断装置において、
前記診断手段としての機能を有するコントロールユニットに対して、前記評価手段としての機能を有する外部テスターを接続して、前記診断手段の機能評価を行うことを特徴とする可変動弁機構の診断装置。
Claims (6)
- エンジンバルブの作動特性を変更する可変動弁機構の作動応答を診断する診断機能の評価方法であって、
前記可変動弁機構の作動応答を強制的に低下させ、
前記作動応答を強制的に低下させた状態で前記可変動弁機構の作動応答を診断し、
該作動応答の診断結果に基づいて前記作動応答の診断機能を評価することを特徴とする可変動弁機構の診断機能の評価方法。 - 前記可変動弁機構の制御信号の変化範囲を通常よりも狭い範囲内に制限することで、作動応答を強制的に低下させることを特徴とする請求項1記載の可変動弁機構の診断機能の評価方法。
- 前記可変動弁機構のフィードバック制御におけるゲインを変更することで、作動応答を強制的に低下させることを特徴とする請求項1記載の可変動弁機構の診断機能の評価方法。
- エンジンバルブの作動特性を変更する可変動弁機構の作動応答を診断する診断装置であって、
前記可変動弁機構の作動応答を強制的に低下させる作動遅れ発生手段と、
前記可変動弁機構の作動応答の遅れを診断する診断手段と、
前記作動遅れ発生手段の作動状態で前記診断手段が前記可変動弁機構における作動応答の遅れを診断するか否かに基づいて前記診断手段の機能評価を行う評価手段と、
を備えたことを特徴とする可変動弁機構の診断装置。 - 前記作動遅れ発生手段が、前記可変動弁機構の制御信号の変化範囲を通常よりも狭い範囲内に制限することで、作動応答を強制的に低下させることを特徴とする請求項4記載の可変動弁機構の診断装置。
- 前記作動遅れ発生手段が、前記可変動弁機構のフィードバック制御におけるゲインを変更することで、作動応答を強制的に低下させることを特徴とする請求項4記載の可変動弁機構の診断装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004325034A JP4297866B2 (ja) | 2004-11-09 | 2004-11-09 | 可変動弁機構の診断機能の評価方法及び可変動弁機構の診断装置 |
US11/267,147 US20060100802A1 (en) | 2004-11-09 | 2005-11-07 | Method for evaluating diagnosis function of a variable valve mechanism and apparatus for diagnosing a variable valve mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004325034A JP4297866B2 (ja) | 2004-11-09 | 2004-11-09 | 可変動弁機構の診断機能の評価方法及び可変動弁機構の診断装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006132497A JP2006132497A (ja) | 2006-05-25 |
JP4297866B2 true JP4297866B2 (ja) | 2009-07-15 |
Family
ID=36317405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004325034A Expired - Fee Related JP4297866B2 (ja) | 2004-11-09 | 2004-11-09 | 可変動弁機構の診断機能の評価方法及び可変動弁機構の診断装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20060100802A1 (ja) |
JP (1) | JP4297866B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5003789B2 (ja) * | 2010-04-28 | 2012-08-15 | トヨタ自動車株式会社 | 内燃機関の可変動弁装置 |
WO2013008710A1 (ja) | 2011-07-12 | 2013-01-17 | アイシン精機株式会社 | 弁開閉時期調整システム |
JP5773195B2 (ja) * | 2011-07-12 | 2015-09-02 | アイシン精機株式会社 | 弁開閉時期調整システム |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4703823A (en) * | 1984-09-13 | 1987-11-03 | Nippondenso Co., Ltd. | Vehicle running control system |
JPH0697003B2 (ja) * | 1984-12-19 | 1994-11-30 | 日本電装株式会社 | 内燃機関の運転状態制御装置 |
EP0227198B1 (en) * | 1985-12-26 | 1991-03-27 | Fujitsu Ten, Ltd. | A constant speed cruise control system of duty ratio control type and a leading angle control method thereof |
DE3721605A1 (de) * | 1986-07-01 | 1988-01-14 | Mazda Motor | Steuerungssystem fuer verbrennungsmotoren |
US5239960A (en) * | 1991-07-30 | 1993-08-31 | Mazda Motor Corporation | Engine induction system provided with a mechanical supercharger |
KR100405727B1 (ko) * | 2001-08-31 | 2003-11-14 | 현대자동차주식회사 | 차량의 연료량 제어방법 및 그 시스템 |
US6879936B2 (en) * | 2002-01-09 | 2005-04-12 | Fisher Controls International Llc | Diagnostic apparatus and methods for a chemical detection system |
US6883318B2 (en) * | 2002-07-26 | 2005-04-26 | Detroit Diesel Corporation | Method of controlling an internal combustion engine |
US6999868B2 (en) * | 2003-12-10 | 2006-02-14 | Caterpillar Inc. | Diagnostic test for variable valve mechanism |
JP4391275B2 (ja) * | 2004-03-09 | 2009-12-24 | 三菱電機株式会社 | 多気筒エンジンの運転制御装置 |
-
2004
- 2004-11-09 JP JP2004325034A patent/JP4297866B2/ja not_active Expired - Fee Related
-
2005
- 2005-11-07 US US11/267,147 patent/US20060100802A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
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US20060100802A1 (en) | 2006-05-11 |
JP2006132497A (ja) | 2006-05-25 |
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