DE60018385D1 - Determining the temperature of a piezoelectric element using an energy balance model of the piezoelectric element - Google Patents

Determining the temperature of a piezoelectric element using an energy balance model of the piezoelectric element

Info

Publication number
DE60018385D1
DE60018385D1 DE60018385T DE60018385T DE60018385D1 DE 60018385 D1 DE60018385 D1 DE 60018385D1 DE 60018385 T DE60018385 T DE 60018385T DE 60018385 T DE60018385 T DE 60018385T DE 60018385 D1 DE60018385 D1 DE 60018385D1
Authority
DE
Germany
Prior art keywords
piezoelectric element
determining
temperature
energy balance
balance model
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
DE60018385T
Other languages
German (de)
Other versions
DE60018385T2 (en
Inventor
Johannes-Joerg Rueger
Udo Schulz
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Application granted granted Critical
Publication of DE60018385D1 publication Critical patent/DE60018385D1/en
Publication of DE60018385T2 publication Critical patent/DE60018385T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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

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)
DE2000618385 2000-04-01 2000-04-01 Determining the temperature of a piezoelectric element using an energy balance model of the piezoelectric element Expired - Fee Related DE60018385T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20000106995 EP1138914B1 (en) 2000-04-01 2000-04-01 Determining the piezoelectric element temperature using a model of the energy balance of the piezoelectric element

Publications (2)

Publication Number Publication Date
DE60018385D1 true DE60018385D1 (en) 2005-04-07
DE60018385T2 DE60018385T2 (en) 2005-12-29

Family

ID=8168335

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2000618385 Expired - Fee Related DE60018385T2 (en) 2000-04-01 2000-04-01 Determining the temperature of a piezoelectric element using an energy balance model of the piezoelectric element

Country Status (3)

Country Link
EP (1) EP1138914B1 (en)
JP (1) JP2001349237A (en)
DE (1) DE60018385T2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60022619T2 (en) * 2000-04-01 2006-03-16 Robert Bosch Gmbh Method and device for charging a piezoelectric element
WO2003091559A1 (en) * 2002-04-23 2003-11-06 Volkswagen Mechatronic Gmbh & Co. Device and method for triggering the piezo actuator of a control valve of a pump-nozzle unit
JP5125092B2 (en) * 2006-12-19 2013-01-23 株式会社デンソー Drive circuit, drive circuit for piezoelectric element for fuel injection, and fuel injection device
DE102008042705A1 (en) * 2008-10-09 2010-04-15 Robert Bosch Gmbh Method and control device for controlling a fuel injector
DE102008043594A1 (en) 2008-11-10 2010-05-12 Robert Bosch Gmbh Method for determining injection temperature of fuel injector for internal combustion engine of motor vehicle, involves low pass filtering of temperature correction variable, and adapting temperature correction variable to temperature value
DE102010042364B4 (en) 2010-10-13 2018-11-22 Robert Bosch Gmbh Method and device for determining an actuator temperature of a fuel injector for an internal combustion engine
US8324783B1 (en) 2012-04-24 2012-12-04 UltraSolar Technology, Inc. Non-decaying electric power generation from pyroelectric materials

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07101021B2 (en) * 1986-11-07 1995-11-01 日本電装株式会社 Single drive / multi nozzle electronically controlled piezoelectric fuel injector
JPH01187345A (en) * 1988-01-20 1989-07-26 Toyota Motor Corp Drive controller for fuel injection controlling piezoelectric element
EP0371469B1 (en) 1988-11-30 1995-02-08 Toyota Jidosha Kabushiki Kaisha Apparatus for driving piezoelectric element for closing and opening valve member
JP2536114B2 (en) 1989-01-18 1996-09-18 トヨタ自動車株式会社 Driving device for piezoelectric element
JP2870324B2 (en) * 1992-10-22 1999-03-17 トヨタ自動車株式会社 Drive circuit for piezoelectric element
DE19729844A1 (en) 1997-07-11 1999-01-14 Bosch Gmbh Robert Fuel injector
DE19742073A1 (en) 1997-09-24 1999-03-25 Bosch Gmbh Robert Fuel injection arrangement for internal combustion engines
DE19805184A1 (en) * 1998-02-10 1999-08-12 Bosch Gmbh Robert Method and device for determining the temperature of a piezoelectric element

Also Published As

Publication number Publication date
DE60018385T2 (en) 2005-12-29
EP1138914B1 (en) 2005-03-02
EP1138914A1 (en) 2001-10-04
JP2001349237A (en) 2001-12-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee