WO2008080678A3 - Method for determining an angle of rotation of a shaft - Google Patents

Method for determining an angle of rotation of a shaft Download PDF

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Publication number
WO2008080678A3
WO2008080678A3 PCT/EP2007/062150 EP2007062150W WO2008080678A3 WO 2008080678 A3 WO2008080678 A3 WO 2008080678A3 EP 2007062150 W EP2007062150 W EP 2007062150W WO 2008080678 A3 WO2008080678 A3 WO 2008080678A3
Authority
WO
WIPO (PCT)
Prior art keywords
transmitter
shaft
rotation
angle
determining
Prior art date
Application number
PCT/EP2007/062150
Other languages
German (de)
French (fr)
Other versions
WO2008080678A2 (en
Inventor
Uwe Kassner
Original Assignee
Bosch Gmbh Robert
Uwe Kassner
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 Bosch Gmbh Robert, Uwe Kassner filed Critical Bosch Gmbh Robert
Publication of WO2008080678A2 publication Critical patent/WO2008080678A2/en
Publication of WO2008080678A3 publication Critical patent/WO2008080678A3/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/245—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using a variable number of pulses in a train
    • G01D5/2454—Encoders incorporating incremental and absolute signals
    • G01D5/2455—Encoders incorporating incremental and absolute signals with incremental and absolute tracks on the same encoder
    • G01D5/2457—Incremental encoders having reference marks
    • 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
    • F02D41/009—Electrical control of supply of combustible mixture or its constituents using means for generating position or synchronisation signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
    • G01D5/147—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices influenced by the movement of a third element, the position of Hall device and the source of magnetic field being fixed in respect to each other

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

The invention relates to a method for determining an angle of rotation of a shaft, particularly of a crankshaft of an internal combustion engine, wherein the shaft is connected to a transmitter wheel (1) having teeth (3) and tooth gaps (4) with asymmetrical pitch. The transmitter wheel (1) is associated with at least one differential transmitter (6), comprising two transmitter elements (7, 7'). The differential transmitter (6) generates an output signal (A1), which is a difference of signals of both transmitter elements (7, 7'). The output signal (A1) is a square wave signal, which can assume a first or a second value, wherein an increment of the angle of rotation of the shaft is associated with a change between the first and the second values. Additionally to the output signal (A1) of the differential transmitter, a further signal of a transmitter element (7', 6') is used for determining the angle of rotation of the shaft.
PCT/EP2007/062150 2006-12-27 2007-11-09 Method for determining an angle of rotation of a shaft WO2008080678A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200610061577 DE102006061577A1 (en) 2006-12-27 2006-12-27 Crankshaft shaft rotation angle determining method for e.g. otto engine, involves utilizing output signals of sensor units for determining angle of rotation of crankshaft additional to output signal of differential sensor
DE102006061577.8 2006-12-27

Publications (2)

Publication Number Publication Date
WO2008080678A2 WO2008080678A2 (en) 2008-07-10
WO2008080678A3 true WO2008080678A3 (en) 2008-11-20

Family

ID=39325832

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/062150 WO2008080678A2 (en) 2006-12-27 2007-11-09 Method for determining an angle of rotation of a shaft

Country Status (2)

Country Link
DE (1) DE102006061577A1 (en)
WO (1) WO2008080678A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012222316A1 (en) * 2012-12-05 2014-06-05 Robert Bosch Gmbh Sensor device for determining at least one rotational property of a rotating element
TWI689704B (en) * 2018-12-21 2020-04-01 財團法人工業技術研究院 Magnetic position sensing device and method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0825420A1 (en) * 1996-08-21 1998-02-25 General Motors Corporation Absolute angle encoder
US20020190709A1 (en) * 2001-02-28 2002-12-19 Bvr Aero Precision Corporation Methods and apparatus for sensing angular position and speed of a rotatable shaft utilizing linearized annular magnet and commutated ratiometric hall sensors
EP1674831A1 (en) * 2004-12-23 2006-06-28 Carl Freudenberg KG Method for the transmission of angle information and apparatus implementing the method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0825420A1 (en) * 1996-08-21 1998-02-25 General Motors Corporation Absolute angle encoder
US20020190709A1 (en) * 2001-02-28 2002-12-19 Bvr Aero Precision Corporation Methods and apparatus for sensing angular position and speed of a rotatable shaft utilizing linearized annular magnet and commutated ratiometric hall sensors
EP1674831A1 (en) * 2004-12-23 2006-06-28 Carl Freudenberg KG Method for the transmission of angle information and apparatus implementing the method

Also Published As

Publication number Publication date
WO2008080678A2 (en) 2008-07-10
DE102006061577A1 (en) 2008-07-03

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