EP1418328A3 - Device and Method of controlling the actuator of a valve - Google Patents

Device and Method of controlling the actuator of a valve Download PDF

Info

Publication number
EP1418328A3
EP1418328A3 EP03104122A EP03104122A EP1418328A3 EP 1418328 A3 EP1418328 A3 EP 1418328A3 EP 03104122 A EP03104122 A EP 03104122A EP 03104122 A EP03104122 A EP 03104122A EP 1418328 A3 EP1418328 A3 EP 1418328A3
Authority
EP
European Patent Office
Prior art keywords
actuator
valve
charge states
controlling
loaded successively
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.)
Withdrawn
Application number
EP03104122A
Other languages
German (de)
French (fr)
Other versions
EP1418328A2 (en
Inventor
Walter Schrod
Diego Löbus
Thomas Franz
Bernd Falke
Josef Aspelmayr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Continental Automotive GmbH
Original Assignee
Continental Automotive GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Continental Automotive GmbH filed Critical Continental Automotive GmbH
Publication of EP1418328A2 publication Critical patent/EP1418328A2/en
Publication of EP1418328A3 publication Critical patent/EP1418328A3/en
Withdrawn legal-status Critical Current

Links

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
    • F02D41/20—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
    • F02D2041/2031—Control of the current by means of delays or monostable multivibrators
    • 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
    • F02D2041/2037—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit for preventing bouncing of the valve needle
    • 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

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)

Abstract

Vorrichtung und Verfahren zum Steuern eines Aktors (CP) eines Ventils, insbesondere für einen piezoelektrischen Aktor eines Einspritzventils für eine Brennkraftmaschine, wobei der Aktor (CP) nacheinander auf zwei Ladungszustände geladen wird, die jeweils einer Stellung des Ventils entsprechen. Es wird vorgeschlagen, dass der Aktor (CP) zur Festlegung eines vorgegebenen zeitlichen Öffnungs- und/oder Schließverhaltens des Ventils beim Aufladen und/oder beim Entladen nacheinander auf mindestens drei unterschiedliche Ladungszustände geladen wird, wobei mindestens einer der Ladungszustände einem teilweise geöffneten und teilweise geschlossen Ventil entspricht.

Figure imgaf001
Device and method for controlling an actuator (CP) of a valve, in particular for a piezoelectric actuator of an injection valve for an internal combustion engine, wherein the actuator (CP) is loaded successively to two charge states, each corresponding to a position of the valve. It is proposed that the actuator (CP) is loaded successively to at least three different charge states during charging and / or discharging in order to establish a predetermined time opening and / or closing behavior, at least one of the charge states being partially open and partially closed Valve corresponds.
Figure imgaf001
EP03104122A 2002-11-08 2003-11-07 Device and Method of controlling the actuator of a valve Withdrawn EP1418328A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10252092 2002-11-08
DE10252092 2002-11-08

Publications (2)

Publication Number Publication Date
EP1418328A2 EP1418328A2 (en) 2004-05-12
EP1418328A3 true EP1418328A3 (en) 2008-12-24

Family

ID=32103412

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03104122A Withdrawn EP1418328A3 (en) 2002-11-08 2003-11-07 Device and Method of controlling the actuator of a valve

Country Status (1)

Country Link
EP (1) EP1418328A3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004028516B3 (en) 2004-06-11 2006-02-23 Siemens Ag Control unit for piezo actuators of fuel injection valves
DE102004040073B4 (en) * 2004-08-18 2008-04-30 Siemens Ag Method and circuit arrangement for operating a piezoelectric actuator
DE102004058971B4 (en) 2004-12-08 2006-12-28 Volkswagen Mechatronic Gmbh & Co. Kg Method for controlling a piezoelectric actuator and control unit for controlling a piezoelectric actuator

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19921456A1 (en) * 1999-05-08 2000-11-16 Bosch Gmbh Robert Method and device for controlling a piezoelectric actuator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19921456A1 (en) * 1999-05-08 2000-11-16 Bosch Gmbh Robert Method and device for controlling a piezoelectric actuator

Also Published As

Publication number Publication date
EP1418328A2 (en) 2004-05-12

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