JP5362039B2 - ピエゾインジェクタにおけるニードル弁閉鎖の検出方法 - Google Patents
ピエゾインジェクタにおけるニードル弁閉鎖の検出方法 Download PDFInfo
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- JP5362039B2 JP5362039B2 JP2011549496A JP2011549496A JP5362039B2 JP 5362039 B2 JP5362039 B2 JP 5362039B2 JP 2011549496 A JP2011549496 A JP 2011549496A JP 2011549496 A JP2011549496 A JP 2011549496A JP 5362039 B2 JP5362039 B2 JP 5362039B2
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- Prior art keywords
- needle valve
- signal
- piezoelectric actuator
- voltage
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- 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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- 238000000034 method Methods 0.000 title claims description 47
- 230000008569 process Effects 0.000 claims description 13
- 238000004590 computer program Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 25
- 238000005259 measurement Methods 0.000 description 19
- 239000000446 fuel Substances 0.000 description 10
- 239000007787 solid Substances 0.000 description 8
- 238000004364 calculation method Methods 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
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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
- F02D41/20—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
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
- F02M65/005—Measuring or detecting injection-valve lift, e.g. to determine injection timing
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/802—Circuitry or processes for operating piezoelectric or electrostrictive devices not otherwise provided for, e.g. drive circuits
-
- 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
- F02D2041/1432—Controller structures or design the system including a filter, e.g. a low pass or high pass filter
-
- 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
- F02D2041/2051—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit using voltage control
-
- 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
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/025—Engine noise, e.g. determined by using an acoustic sensor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/063—Lift of the valve needle
-
- 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
-
- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/0014—Valves characterised by the valve actuating means
- F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
- F02M63/0026—Valves characterised by the valve actuating means electrical, e.g. using solenoid using piezoelectric or magnetostrictive actuators
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Description
本発明は、その調整部材が圧電アクチュエータとして構成されている、燃料噴射弁のバルブニードルのニードル弁閉鎖を検出するための方法に関するものである。この場合バルブニードルは圧電アクチュエータによって駆動制御される。ここでは、圧電アクチュエータに印加される電圧信号が測定され、この信号の経過からニードル弁閉鎖が検出される。
本発明は、実施形態に基づいて図面に概略的に示されており、以下の明細書ではこれらの図面に基づいて詳細に説明していく。
Claims (10)
- 圧電アクチュエータ(82)によって駆動されるニードル弁(88)のニードル弁閉鎖を検出するための方法であって、
圧電アクチュエータ(82)に印加される電圧の信号を測定し、前記信号に自乗処理及び加算処理を施し、ニードル弁閉鎖が信号の特性経過(26,32,56,58,60,62)から検出されるようにしたことを特徴とする方法。 - 信号の特性経過(26,32,56,58,60,62)が、ニードル弁閉鎖を示唆する特徴部分を有しているか否かが検査される、請求項1記載の方法。
- 圧電アクチュエータが作動中に駆動制御され、この場合信号の特性経過(26,32,56,58,60,62)が、当該方法の実施の際に、圧電アクチュエータ(58)で実施された駆動制御による領域において、電圧が0Vの値まで低下した後で検査される、請求項1または2記載の方法。
- 信号の経過特性(26,32,56,58,60,62)において、閉鎖されるニードル弁(88)によって引き起こされる、固体伝播音が検出される、請求項1から3いずれか1項記載の方法。
- ニードル弁(88)がノズル(86)内に配設され、圧電アクチュエータ(82)から少なくとも1つの弁要素(92)を介して駆動制御される、請求項1から4いずれか1項記載の方法。
- 前記信号に対して、カットオフ周波数を備えたバンドパスフィルタリングが使用され、信号の所定の周波数がフィルタリング処理される、請求項1から5いずれか1項記載の方法。
- ニードル弁閉鎖の時点が定められる、請求項1から6いずれか1項記載の方法。
- 圧電アクチュエータ(82)によって駆動制御されるニードル弁(88)のニードル弁閉鎖の検出のための装置であって、
前記装置(80)が、圧電アクチュエータ(82)に印加された電圧の信号を測定し、前記信号に自乗処理及び加算処理を施し、ニードル弁閉鎖を信号の経過(26,32,56,58,60,62)から検出するように構成されていることを特徴とする装置。 - コンピュータ上で若しくは相応の計算ユニット上でコンピュータプログラムが請求項8による装置中で実施される、請求項1から7いずれか1項記載の方法の全てのステップを実施するための、プログラムコードを備えたコンピュータプログラム。
- コンピュータ上で若しくは相応の計算ユニット上でコンピュータプログラムが請求項8による装置中で実施される、請求項1から7いずれか1項記載の方法の全てのステップを実施するための、コンピュータで読み出し可能なデータ担体に記憶される、プログラムコードを備えたコンピュータプログラム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009000741A DE102009000741A1 (de) | 2009-02-10 | 2009-02-10 | Verfahren zum Bestimmen eines Nadelschließens |
DE102009000741.5 | 2009-02-10 | ||
PCT/EP2010/050030 WO2010091902A1 (de) | 2009-02-10 | 2010-01-05 | Verfahren zum bestimmen eines nadelschliessens bei einem piezoinjektor |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2012517556A JP2012517556A (ja) | 2012-08-02 |
JP2012517556A5 JP2012517556A5 (ja) | 2013-06-06 |
JP5362039B2 true JP5362039B2 (ja) | 2013-12-11 |
Family
ID=42062620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011549496A Expired - Fee Related JP5362039B2 (ja) | 2009-02-10 | 2010-01-05 | ピエゾインジェクタにおけるニードル弁閉鎖の検出方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20120013325A1 (ja) |
EP (1) | EP2396835A1 (ja) |
JP (1) | JP5362039B2 (ja) |
KR (1) | KR20110124226A (ja) |
CN (2) | CN105514259A (ja) |
DE (1) | DE102009000741A1 (ja) |
WO (1) | WO2010091902A1 (ja) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011007360A1 (de) | 2011-04-14 | 2012-10-18 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Ermitteln einer Durchflussrate eines Mediums durch eine Düse |
DE102011075733A1 (de) | 2011-05-12 | 2012-11-15 | Robert Bosch Gmbh | Verfahren zum Betreiben eines Einspritzventils einer Brennkraftmaschine |
AT511906B1 (de) * | 2011-08-30 | 2016-05-15 | Blum Gmbh Julius | Schublade |
DE102011090004A1 (de) | 2011-12-28 | 2013-07-04 | Robert Bosch Gmbh | Verfahren und Anordnung zum Bestimmen eines Nadelschließens einer Ventilnadel |
DE102012209965A1 (de) * | 2012-06-14 | 2013-12-19 | Robert Bosch Gmbh | Verfahren zum Betreiben eines Ventils |
DE102012221529A1 (de) | 2012-11-26 | 2014-05-28 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Ansteuerung eines Piezoaktors |
DE102012222851B4 (de) | 2012-12-12 | 2021-12-02 | Robert Bosch Gmbh | Verfahren zur Kontrolle eines Piezo-Injektors |
DE102013206600B4 (de) | 2013-04-12 | 2015-08-06 | Continental Automotive Gmbh | Einspritzsystem zum Einspritzen von Kraftstoff in eine Brennkraftmaschine und Regelverfahren für ein solches Einspritzsystem |
DE102013207555B3 (de) | 2013-04-25 | 2014-10-09 | Continental Automotive Gmbh | Verfahren zur Einspritzmengenadaption |
EP2796703B1 (en) | 2013-04-26 | 2016-07-20 | Continental Automotive GmbH | Valve assembly for an injection valve and injection valve |
DE102013208528B3 (de) * | 2013-05-08 | 2014-08-21 | Continental Automotive Gmbh | Verfahren zur Ermittlung der Öffnungs- und/oder Schließzeit der Düsennadel eines Einspritzventils |
DE102013217746B3 (de) * | 2013-09-05 | 2014-12-24 | Continental Automotive Gmbh | Verfahren zum Betreiben eines Verbrennungsmotors |
DE102014220363B4 (de) * | 2013-10-16 | 2016-12-15 | Ford Global Technologies, Llc | Verfahren zum direkten Einbringen von Kraftstoff in einen Zylinder einer direkteinspritzenden Brennkraftmaschine |
DE102014209326A1 (de) * | 2014-05-16 | 2015-11-19 | Robert Bosch Gmbh | Verfahren zur Bestimmung eines Schließzeitpunktes eines Kraftstoffinjektors |
DE102014209823B4 (de) * | 2014-05-23 | 2016-03-31 | Continental Automotive Gmbh | Verfahren zur Bestimmung der Schließcharakteristik des Steuerventils eines Piezo-Servoinjektors |
DE102014210558A1 (de) | 2014-06-04 | 2015-12-17 | Robert Bosch Gmbh | Verfahren zur Detektion eines eine Einspritzung charakterisierenden Zeitpunkts eines Kraftstoffinjektors |
DE102014225894A1 (de) * | 2014-12-15 | 2016-06-16 | Robert Bosch Gmbh | Kraftstoffinjektor und Verfahren zur Erkennung zumindest des Schließzeitpunkts eines Einspritzglieds |
DE102015204397B4 (de) * | 2015-03-11 | 2017-06-08 | Continental Automotive Gmbh | Verfahren zum Ermitteln eines charakteristischen Punktes der Hubbewegung eines Verschlusselementes eines Injektors und Einspritzsystem |
DE102016206997B4 (de) * | 2016-04-25 | 2023-08-10 | Vitesco Technologies GmbH | Verfahren zum Betreiben eines Piezoaktuators als Sensor und Kraftfahrzeug |
JP6520815B2 (ja) * | 2016-05-06 | 2019-05-29 | 株式会社デンソー | 燃料噴射制御装置 |
KR102165653B1 (ko) | 2019-04-30 | 2020-10-14 | 이연근 | 밸브 측정공구 |
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DE102006003861A1 (de) * | 2006-01-27 | 2007-08-02 | Robert Bosch Gmbh | Verfahren zum Betreiben einer Kraftstoffeinspritzvorrichtung, insbesondere eines Kraftfahrzeugs |
DE102006058742A1 (de) * | 2006-12-12 | 2008-06-19 | Robert Bosch Gmbh | Verfahren zum Betreiben eines Kraftstoffeinspritzventils |
DE102006059070A1 (de) * | 2006-12-14 | 2008-06-19 | Robert Bosch Gmbh | Kraftstoffeinspritzsystem und Verfahren zum Ermitteln eines Nadelhubanschlags in einem Kraftstoffeinspritzventil |
DE102007050810A1 (de) * | 2007-10-24 | 2009-04-30 | Robert Bosch Gmbh | Verfahren zum Detektieren des Schließens eines von einem piezoelektrischen Aktor betätigten Ventils |
-
2009
- 2009-02-10 DE DE102009000741A patent/DE102009000741A1/de not_active Withdrawn
-
2010
- 2010-01-05 US US13/147,757 patent/US20120013325A1/en not_active Abandoned
- 2010-01-05 CN CN201610042493.4A patent/CN105514259A/zh active Pending
- 2010-01-05 KR KR1020117018540A patent/KR20110124226A/ko active IP Right Grant
- 2010-01-05 WO PCT/EP2010/050030 patent/WO2010091902A1/de active Application Filing
- 2010-01-05 CN CN2010800071083A patent/CN102308403A/zh active Pending
- 2010-01-05 JP JP2011549496A patent/JP5362039B2/ja not_active Expired - Fee Related
- 2010-01-05 EP EP10700825A patent/EP2396835A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
CN102308403A (zh) | 2012-01-04 |
EP2396835A1 (de) | 2011-12-21 |
DE102009000741A1 (de) | 2010-08-12 |
KR20110124226A (ko) | 2011-11-16 |
WO2010091902A1 (de) | 2010-08-19 |
JP2012517556A (ja) | 2012-08-02 |
CN105514259A (zh) | 2016-04-20 |
US20120013325A1 (en) | 2012-01-19 |
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