JP4047809B2 - 圧電駆動式燃料噴射バルブ - Google Patents
圧電駆動式燃料噴射バルブ Download PDFInfo
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- JP4047809B2 JP4047809B2 JP2003527256A JP2003527256A JP4047809B2 JP 4047809 B2 JP4047809 B2 JP 4047809B2 JP 2003527256 A JP2003527256 A JP 2003527256A JP 2003527256 A JP2003527256 A JP 2003527256A JP 4047809 B2 JP4047809 B2 JP 4047809B2
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- 238000002347 injection Methods 0.000 title claims description 64
- 239000007924 injection Substances 0.000 title claims description 64
- 239000000446 fuel Substances 0.000 title claims description 23
- 238000000034 method Methods 0.000 claims description 29
- 230000002123 temporal effect Effects 0.000 claims 1
- 238000004364 calculation method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Images
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
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D41/2096—Output circuits, e.g. for controlling currents in command coils for controlling piezoelectric 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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
- F02D2041/1413—Controller structures or design
- F02D2041/143—Controller structures or design the control loop including a non-linear model or compensator
-
- 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
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
- F02D2041/1433—Introducing closed-loop corrections characterised by the control or regulation method using a model or simulation of the system
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
- F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
- F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
- F02M45/08—Injectors peculiar thereto
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/0603—Injectors peculiar thereto with means directly operating the valve needle using piezoelectric or magnetostrictive operating means
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
図1は、制御過程のもとでのピエゾアクチュエータの縦方向変化を表わした図であり、
図2には、ピエゾアクチュエータにおけるバルブの開放過程において、燃料噴射に影響を及ぼす応力Fのある場合とない場合およびそこから導出される特性量が表わされている。
縦方向変化sは、ピエゾアクチュエータに給電された電流とそこに形成される電圧の測定データ並びに当該ピエゾアクチュエータの特性をシミュレートしたアクチュエータモデルを用いて算出される。
Claims (5)
- ピエゾアクチュエータと該アクチュエータに操作されるサーボバルブを用いて予噴射、主噴射、後噴射における圧電駆動式燃料噴射バルブを制御するための方法であって、
サーボバルブの開放状態の識別と噴射期間(D)の決定がなされる形式の方法において、
制御過程の際にアクチュエータに供給される電流とそこに形成される電圧、並びに正確な噴射過程におけるピエゾアクチュエータの特性をシミュレートした非線形的アクチュエータモデルを用いて、縦方向変化(s)の経過と、アクチュエータによって実施される応力(F)が算出され、
前記縦方向変化(s)の経過からは制御バルブの開放過程(tA)が求められ、さらに
前記アクチュエータによって実施される応力(F)から導出される特性量(dF / dt)からは噴射期間(D)が定められるようにしたことを特徴とする方法。 - 第1の時間窓(W1)と第2の時間窓(W2)が設けられ、
前記第1の時間窓(W1)は所定の時点(t A )の直前に定められ、前記第2の時間窓(W2)は当該時点(t A )の直後に定められ、
第1の時間窓(W1)の開始時点(t1)と終了時点(t2)における縦方向変化によって第1のタンジェント(T1)を定め、
第2の時間窓(W2)の開始時点(t3)と終了時点(t4)における縦方向変化から第2のタンジェント(T1′)を定め、
前記2つのタンジェント(T1,T1′)は、前期時点(tA)で交差する、請求項1記載の方法。 - 前記時点(tA)は、前記タンジェント(T1′)が横軸に対して、タンジェント(T1)よりも所定の急峻な角度を有している場合には、サーボバルブの開放時点として評価され、それ以外の場合(T0,T0′)には噴射エラーが検出される、請求項2記載の方法。
- サーボバルブの開放時点として評価される時点(tA)において、応力(F)の時間的な一次導関数(dF1/dt)に対して、上方の限界値(g1)と下方の限界値(g2)の間で許容偏差帯域が定められ、前記時点(tA)後に一次導関数(dF1/dt)の値が当該許容偏差帯域内で変動している期間(t5〜t6)を、噴射期間(D)として評価する、請求項1記載の方法。
- 特性マップ内に記憶されている、時間窓(W1,W2)を定める時点(t1〜t4)は、それぞれ先行する先の噴射過程において求められた時点(tA)も考慮して適応化される、請求項2又は4記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10143501A DE10143501C1 (de) | 2001-09-05 | 2001-09-05 | Verfahren zum Ansteuern eines piezobetriebenen Kraftstoff-Einspritzventils |
PCT/DE2002/003226 WO2003023212A1 (de) | 2001-09-05 | 2002-09-02 | Verfahren zum ansteuern eines piezobetriebenen kraftstoff-einspritzventils |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005501999A JP2005501999A (ja) | 2005-01-20 |
JP4047809B2 true JP4047809B2 (ja) | 2008-02-13 |
Family
ID=7697798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003527256A Expired - Fee Related JP4047809B2 (ja) | 2001-09-05 | 2002-09-02 | 圧電駆動式燃料噴射バルブ |
Country Status (5)
Country | Link |
---|---|
US (1) | US7040297B2 (ja) |
EP (1) | EP1423593B1 (ja) |
JP (1) | JP4047809B2 (ja) |
DE (2) | DE10143501C1 (ja) |
WO (1) | WO2003023212A1 (ja) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10301822B4 (de) * | 2003-01-20 | 2011-04-07 | Robert Bosch Gmbh | Verfahren zur Bestimmung der Längenausdehnung eines piezoelektrischen Aktors |
DE10345226B4 (de) * | 2003-09-29 | 2006-04-06 | Volkswagen Mechatronic Gmbh & Co. Kg | Verfahren und Vorrichtung zum Steuern eines Ventils und Verfahren und Vorrichtung zum Steuern einer Pumpe-Düse-Vorrichtung mit einem Ventil |
DE10349307B3 (de) * | 2003-10-23 | 2005-05-25 | Siemens Ag | Diagnoseverfahren für einen elektromechanischen Aktor |
DE10357481A1 (de) * | 2003-12-09 | 2005-07-14 | Siemens Ag | Betriebsverfahren für einen Aktor eines Einspritzventils |
DE102004020937B4 (de) * | 2004-04-28 | 2010-07-15 | Continental Automotive Gmbh | Verfahren zum Bestimmen einer Schließzeit eines Schließgliedes und Schaltungsanordnung |
DE102004023545A1 (de) * | 2004-05-13 | 2005-12-08 | Daimlerchrysler Ag | Verfahren zur Ermittlung der Position eines beweglichen Verschlusselementes eines Einspritzventils |
DE102004029907A1 (de) * | 2004-06-21 | 2006-02-02 | Siemens Ag | Verfahren und Datenverarbeitungsvorrichtung zum Simulieren eines Piezo-Aktuators und Computerprogramm |
DE102004063294B4 (de) * | 2004-12-29 | 2006-11-16 | Siemens Ag | Verfahren und Vorrichtung zum Steuern eines Einspritzventils |
DE102005037361B4 (de) * | 2005-08-08 | 2007-05-24 | Siemens Ag | Verfahren zur Ermittlung eines Ventilöffnungszeitpunkts |
DE102005046743B3 (de) * | 2005-09-29 | 2007-05-16 | Siemens Ag | Verfahren zur Ermittlung des Zeitpunktes des Anschlags eines Ventilkörpers in einem von einem elektromechanischen Aktor betätigten Ablaufventil |
JP4475331B2 (ja) | 2008-01-10 | 2010-06-09 | 株式会社デンソー | 燃料噴射装置 |
DE102008023373B4 (de) * | 2008-05-13 | 2010-04-08 | Continental Automotive Gmbh | Verfahren zum Steuern eines Einspritzventils, Kraftstoff-Einspritzanlage und Verbrennungsmotor |
JP5284005B2 (ja) * | 2008-08-25 | 2013-09-11 | 本田技研工業株式会社 | 圧電アクチュエータの制御方法 |
CN102933836B (zh) * | 2010-05-20 | 2015-06-03 | 康明斯知识产权公司 | 压电燃料喷射器***、估计燃料喷射事件的定时特性的方法 |
DE102010039841B4 (de) * | 2010-08-26 | 2014-01-09 | Continental Automotive Gmbh | Verfahren zum Anpassen der Einspritzcharakteristik eines Einspritzventils |
DE102010041320B4 (de) * | 2010-09-24 | 2021-06-24 | Vitesco Technologies GmbH | Bestimmung des Schließzeitpunkts eines Steuerventils eines indirekt angetriebenen Kraftstoffinjektors |
DE102012204278A1 (de) * | 2012-03-19 | 2013-09-19 | Continental Automotive Gmbh | Verfahren zum Betreiben eines Kraftstoffeinspritzsystems und Kraftstoffeinspritzsystem mit Einspritzventil mit Regelung der Bewegung des Verschlusselementes |
DE102012204272B4 (de) * | 2012-03-19 | 2021-10-28 | Vitesco Technologies GmbH | Verfahren zum Betreiben eines Kraftstoffeinspritzsystems mit Regelung des Einspritzventils zur Erhöhung der Mengengenauigkeit und Kraftstoffeinspritzsystem |
DE102013223750B3 (de) * | 2013-11-21 | 2015-02-19 | Continental Automotive Gmbh | Verfahren zur Bestimmung des Ventilöffnungszeitpunktes bei piezoservobetriebenen Injektoren |
DE102013226849B3 (de) * | 2013-12-20 | 2015-04-30 | Continental Automotive Gmbh | Verfahren zum Betreiben eines Einspritzventils |
DE102014212377B4 (de) * | 2014-06-27 | 2016-07-21 | Continental Automotive Gmbh | Verfahren zur Bestimmung eines Zustandes eines Einspritzventils |
DE102015206286B4 (de) * | 2015-04-09 | 2019-05-29 | Continental Automotive Gmbh | Verfahren und Vorrichtung zum Betreiben eines Injektors |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4748954A (en) * | 1984-07-16 | 1988-06-07 | Nippon Soken, Inc. | Electrostrictive actuator device and fuel injection device using same |
DE4308811B9 (de) * | 1992-07-21 | 2004-08-19 | Robert Bosch Gmbh | Verfahren und Einrichtung zur Steuerung einer magnetventilgesteuerten Kraftstoffzumeßeinrichtung |
GB9225622D0 (en) * | 1992-12-08 | 1993-01-27 | Pi Research Ltd | Electromagnetic valves |
DE19644521A1 (de) * | 1996-10-25 | 1998-04-30 | Siemens Ag | Verfahren und Vorrichtung zum Ansteuern eines kapazitiven Stellgliedes |
DE19652801C1 (de) * | 1996-12-18 | 1998-04-23 | Siemens Ag | Verfahren und Vorrichtung zum Ansteuern wenigstens eines kapazitiven Stellgliedes |
KR100638939B1 (ko) * | 1998-06-25 | 2006-10-25 | 지멘스 악티엔게젤샤프트 | 용량성 액추에이터를 제어하기 위한 방법 및 상기 제어 방법 실행 장치 |
DE19930309C2 (de) * | 1999-07-01 | 2001-12-06 | Siemens Ag | Verfahren und Vorrichtung zur Regelung der Einspritzmenge bei einem Kraftstoffeinspritzventil mit Piezoelement-Aktor |
DE19960971A1 (de) * | 1999-12-17 | 2001-03-08 | Bosch Gmbh Robert | Piezoaktor |
EP1138912A1 (en) * | 2000-04-01 | 2001-10-04 | Robert Bosch GmbH | Online optimization of injection systems having piezoelectric elements |
-
2001
- 2001-09-05 DE DE10143501A patent/DE10143501C1/de not_active Expired - Fee Related
-
2002
- 2002-09-02 WO PCT/DE2002/003226 patent/WO2003023212A1/de active IP Right Grant
- 2002-09-02 EP EP02760150A patent/EP1423593B1/de not_active Expired - Lifetime
- 2002-09-02 JP JP2003527256A patent/JP4047809B2/ja not_active Expired - Fee Related
- 2002-09-02 DE DE50208611T patent/DE50208611D1/de not_active Expired - Lifetime
-
2004
- 2004-03-05 US US10/795,015 patent/US7040297B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO2003023212A1 (de) | 2003-03-20 |
US7040297B2 (en) | 2006-05-09 |
JP2005501999A (ja) | 2005-01-20 |
EP1423593B1 (de) | 2006-11-02 |
EP1423593A1 (de) | 2004-06-02 |
DE10143501C1 (de) | 2003-05-28 |
DE50208611D1 (de) | 2006-12-14 |
US20050072854A1 (en) | 2005-04-07 |
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