ATE528496T1 - METHOD FOR CONTROLLING A PIEZOELECTRIC ACTUATOR - Google Patents

METHOD FOR CONTROLLING A PIEZOELECTRIC ACTUATOR

Info

Publication number
ATE528496T1
ATE528496T1 AT06254039T AT06254039T ATE528496T1 AT E528496 T1 ATE528496 T1 AT E528496T1 AT 06254039 T AT06254039 T AT 06254039T AT 06254039 T AT06254039 T AT 06254039T AT E528496 T1 ATE528496 T1 AT E528496T1
Authority
AT
Austria
Prior art keywords
stack
charge
controlling
piezoelectric actuator
close
Prior art date
Application number
AT06254039T
Other languages
German (de)
Inventor
Martin Sykes
Joseph Walsh
Daniel Hopley
Peter Griffin
Original Assignee
Delphi Tech Holding Sarl
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 Delphi Tech Holding Sarl filed Critical Delphi Tech Holding Sarl
Application granted granted Critical
Publication of ATE528496T1 publication Critical patent/ATE528496T1/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/20Output circuits, e.g. for controlling currents in command coils
    • F02D41/2096Output circuits, e.g. for controlling currents in command coils for controlling piezoelectric injectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/20Output circuits, e.g. for controlling currents in command coils
    • F02D2041/202Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
    • F02D2041/2058Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit using information of the actual current value
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D2200/00Input parameters for engine control
    • F02D2200/02Input parameters for engine control the parameters being related to the engine
    • F02D2200/06Fuel or fuel supply system parameters
    • F02D2200/0602Fuel pressure

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

A method for controlling the displacement of a stack (2) of a piezoelectric actuator (1) for use in a fuel injector comprises determining a desirable amount of charge (”Q) to be added or removed from the stack (2). The method further comprises selecting a drive current level (PO, SO) and a drive time (t open , t close ) in accordance with the desired amount of charge (”Q) and an operating parameter, and driving the drive current through the stack (2) for the drive time (t open , t close ) in order to add or remove the desired amount of charge (”Q).
AT06254039T 2006-05-23 2006-08-01 METHOD FOR CONTROLLING A PIEZOELECTRIC ACTUATOR ATE528496T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0610225.5A GB0610225D0 (en) 2006-05-23 2006-05-23 Method of controlling a piezoelectric actuator

Publications (1)

Publication Number Publication Date
ATE528496T1 true ATE528496T1 (en) 2011-10-15

Family

ID=36687574

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06254039T ATE528496T1 (en) 2006-05-23 2006-08-01 METHOD FOR CONTROLLING A PIEZOELECTRIC ACTUATOR

Country Status (4)

Country Link
EP (1) EP1860307B1 (en)
JP (1) JP5259672B2 (en)
AT (1) ATE528496T1 (en)
GB (1) GB0610225D0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2128415A1 (en) 2008-05-27 2009-12-02 Delphi Technologies, Inc. Improvements relating to fuel injector control
DE102009001077A1 (en) 2009-02-23 2010-08-26 Robert Bosch Gmbh Method for operating an output stage for at least one piezoelectric actuator
DE102013224385B3 (en) 2013-11-28 2015-03-12 Continental Automotive Gmbh Method for operating an injector of an injection system of an internal combustion engine
CN103835851B (en) * 2013-12-06 2016-04-06 潍柴动力股份有限公司 A kind of oil sprayer selection method and device

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19644521A1 (en) * 1996-10-25 1998-04-30 Siemens Ag Method and device for controlling a capacitive actuator
DE19921456A1 (en) * 1999-05-08 2000-11-16 Bosch Gmbh Robert Method and device for controlling a piezoelectric actuator
DE60023446T2 (en) * 2000-04-01 2006-05-18 Robert Bosch Gmbh Method and device for determining the charge quantity during the charging and discharging of piezoelectric elements
DE10033343A1 (en) * 2000-07-08 2002-01-17 Bosch Gmbh Robert Fuel injection system for an internal combustion engine
JP4604356B2 (en) * 2001-01-23 2011-01-05 株式会社デンソー Piezo actuator driving circuit and fuel injection device
DE10114421B4 (en) * 2001-03-23 2009-04-09 Conti Temic Microelectronic Gmbh Method for controlling a capacitive actuator and circuit arrangement for carrying out the method
JP4389411B2 (en) * 2001-06-14 2009-12-24 株式会社デンソー Injection control device for internal combustion engine
JP4186573B2 (en) * 2001-11-07 2008-11-26 株式会社デンソー Charge / discharge device for capacitive load changer
JP4353781B2 (en) * 2003-02-27 2009-10-28 株式会社日本自動車部品総合研究所 Piezo actuator drive circuit
JP4104498B2 (en) * 2003-06-26 2008-06-18 株式会社日本自動車部品総合研究所 Piezo actuator drive circuit
JP2005180192A (en) * 2003-12-16 2005-07-07 Toyota Motor Corp Fuel injection device
DE10360019A1 (en) * 2003-12-19 2005-07-14 Volkswagen Mechatronic Gmbh & Co. Kg Method for controlling a valve and method for controlling a pump-nozzle device with a valve
JP4396322B2 (en) * 2004-03-01 2010-01-13 株式会社デンソー Fuel injection control device for internal combustion engine

Also Published As

Publication number Publication date
JP5259672B2 (en) 2013-08-07
EP1860307A1 (en) 2007-11-28
GB0610225D0 (en) 2006-07-05
EP1860307B1 (en) 2011-10-12
JP2011001963A (en) 2011-01-06

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Legal Events

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