GB2475224B - Method for controlling a piezoelectric injector - Google Patents

Method for controlling a piezoelectric injector

Info

Publication number
GB2475224B
GB2475224B GB0916974.9A GB0916974A GB2475224B GB 2475224 B GB2475224 B GB 2475224B GB 0916974 A GB0916974 A GB 0916974A GB 2475224 B GB2475224 B GB 2475224B
Authority
GB
United Kingdom
Prior art keywords
controlling
piezoelectric injector
injector
piezoelectric
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
Application number
GB0916974.9A
Other versions
GB0916974D0 (en
GB2475224A (en
Inventor
Massimo Lucano
Filippo Parisi
Paolo Casasso
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.)
GM Global Technology Operations LLC
Original Assignee
GM Global Technology Operations LLC
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 GM Global Technology Operations LLC filed Critical GM Global Technology Operations LLC
Priority to GB0916974.9A priority Critical patent/GB2475224B/en
Publication of GB0916974D0 publication Critical patent/GB0916974D0/en
Publication of GB2475224A publication Critical patent/GB2475224A/en
Application granted granted Critical
Publication of GB2475224B publication Critical patent/GB2475224B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F02D41/02—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
    • 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
    • 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
    • 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
    • F02D2041/1418—Several control loops, either as alternatives or simultaneous
    • F02D2041/1419—Several control loops, either as alternatives or simultaneous the control loops being cascaded, i.e. being placed in series or nested
    • 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
    • F02D2041/2058—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit using information of the actual current value
    • 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
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F02D41/402—Multiple injections

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)
GB0916974.9A 2009-09-28 2009-09-28 Method for controlling a piezoelectric injector Expired - Fee Related GB2475224B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0916974.9A GB2475224B (en) 2009-09-28 2009-09-28 Method for controlling a piezoelectric injector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0916974.9A GB2475224B (en) 2009-09-28 2009-09-28 Method for controlling a piezoelectric injector

Publications (3)

Publication Number Publication Date
GB0916974D0 GB0916974D0 (en) 2009-11-11
GB2475224A GB2475224A (en) 2011-05-18
GB2475224B true GB2475224B (en) 2016-03-16

Family

ID=41350470

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0916974.9A Expired - Fee Related GB2475224B (en) 2009-09-28 2009-09-28 Method for controlling a piezoelectric injector

Country Status (1)

Country Link
GB (1) GB2475224B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2990998B1 (en) * 2012-05-23 2016-02-26 Continental Automotive France METHOD FOR CONTROLLING AT LEAST ONE PIEZOELECTRIC FUEL INJECTOR ACTUATOR OF AN INTERNAL COMBUSTION ENGINE
FR3009031B1 (en) * 2013-07-29 2015-08-21 Continental Automotive France METHOD AND DEVICE FOR REPOLARIZING A PIEZOELECTRIC ACTUATOR OF AN INJECTOR OF AN INTERNAL COMBUSTION ENGINE OF A VEHICLE HAVING BEEN USED
US9455395B2 (en) * 2014-01-10 2016-09-27 Ecomotors, Inc. Piezoelectric actuator control for high rate of operation
EP3367451A1 (en) * 2017-02-23 2018-08-29 Koninklijke Philips N.V. An actuator device incorporating an electroactive polymer actuator and a driving method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6236190B1 (en) * 1996-10-25 2001-05-22 Siemens Aktiengesellschaft Method and device for driving a capacitive actuator
DE10307460A1 (en) * 2003-02-21 2004-09-02 Robert Bosch Gmbh Piezoelectric actuator control method for a vehicle combustion engine fuel injector, whereby a value characterizing the onset of hydraulic triggering is measured and used to determine a correction value for a predefined set value
GB2399656A (en) * 2003-03-14 2004-09-22 Bosch Gmbh Robert A method for controlling the actuation of a piezo-electric element in a fuel injector
US20060289670A1 (en) * 2003-12-18 2006-12-28 Jorg Beilharz Method and apparatus for controlling a valve, and method and apparatus for controlling a pump-nozzle apparatus with the valve

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6236190B1 (en) * 1996-10-25 2001-05-22 Siemens Aktiengesellschaft Method and device for driving a capacitive actuator
DE10307460A1 (en) * 2003-02-21 2004-09-02 Robert Bosch Gmbh Piezoelectric actuator control method for a vehicle combustion engine fuel injector, whereby a value characterizing the onset of hydraulic triggering is measured and used to determine a correction value for a predefined set value
GB2399656A (en) * 2003-03-14 2004-09-22 Bosch Gmbh Robert A method for controlling the actuation of a piezo-electric element in a fuel injector
US20060289670A1 (en) * 2003-12-18 2006-12-28 Jorg Beilharz Method and apparatus for controlling a valve, and method and apparatus for controlling a pump-nozzle apparatus with the valve

Also Published As

Publication number Publication date
GB0916974D0 (en) 2009-11-11
GB2475224A (en) 2011-05-18

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20170928