GB2461812B - Determining a rotational speed of an electrical machine - Google Patents

Determining a rotational speed of an electrical machine

Info

Publication number
GB2461812B
GB2461812B GB0912391.0A GB0912391A GB2461812B GB 2461812 B GB2461812 B GB 2461812B GB 0912391 A GB0912391 A GB 0912391A GB 2461812 B GB2461812 B GB 2461812B
Authority
GB
United Kingdom
Prior art keywords
determining
rotational speed
electrical machine
electrical
machine
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
GB0912391.0A
Other versions
GB2461812A (en
GB0912391D0 (en
Inventor
Jacek Wiszniewski
Mike Voigt
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
Publication of GB0912391D0 publication Critical patent/GB0912391D0/en
Publication of GB2461812A publication Critical patent/GB2461812A/en
Application granted granted Critical
Publication of GB2461812B publication Critical patent/GB2461812B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/487—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by rotating magnets

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
GB0912391.0A 2008-07-18 2009-07-16 Determining a rotational speed of an electrical machine Expired - Fee Related GB2461812B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008040530A DE102008040530A1 (en) 2008-07-18 2008-07-18 Determining a speed of an electric machine

Publications (3)

Publication Number Publication Date
GB0912391D0 GB0912391D0 (en) 2009-08-26
GB2461812A GB2461812A (en) 2010-01-20
GB2461812B true GB2461812B (en) 2012-01-11

Family

ID=41058073

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0912391.0A Expired - Fee Related GB2461812B (en) 2008-07-18 2009-07-16 Determining a rotational speed of an electrical machine

Country Status (3)

Country Link
DE (1) DE102008040530A1 (en)
GB (1) GB2461812B (en)
RU (1) RU2528948C2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012209399A1 (en) * 2012-06-04 2013-12-05 Intrasys Gmbh Innovative Transportsysteme Use of an electromagnetic speed change device, such as linear motor and / or eddy current brake, for speed measurement
DE102015223900A1 (en) * 2015-11-18 2017-05-18 Robert Bosch Gmbh Method and device for detecting a speed in a generator unit

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0023801A1 (en) * 1979-07-25 1981-02-11 Fanuc Ltd. Speed detectors
US4425522A (en) * 1980-12-22 1984-01-10 Victor Company Of Japan, Limited Rotational speed indication signal generator having a plurality of generating coils
US4857784A (en) * 1986-11-27 1989-08-15 Kabushiki Kaisha Toshiba Motor having rotation speed detection mechanism
US6483293B1 (en) * 2000-06-29 2002-11-19 Ford Global Technologies, Inc. System and method for cancelling the effects of stray magnetic fields from the output of a variable reluctance sensor
US20040046517A1 (en) * 2002-09-05 2004-03-11 Jong-Dae Kim Electric system of a vehicle
US20050261868A1 (en) * 2004-05-21 2005-11-24 Selin Sistemi S.P.A. Device for detecting the speed and the position of a rotating shaft
US6992476B2 (en) * 2001-05-11 2006-01-31 Siemens Aktiengesellschaft Transmitter system for a ferraris motion transmitter
US20070001662A1 (en) * 2003-05-16 2007-01-04 Tdk Corporation Angular velocity sensor and angular velocity detector

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU515078A1 (en) * 1974-07-01 1976-05-25 Ленинградский Институт Авиационного Приборостроения Device for measuring the magnetic flux in asynchronous machines
DE4133269A1 (en) 1991-10-08 1993-04-15 Bosch Gmbh Robert METHOD FOR MEASURING THE SPEED OF A ROTATING PART
GB2329965B (en) * 1997-09-30 2001-05-09 Sunonwealth Electr Mach Ind Co Direct current motor speed measurement apparatus and method
RU2281525C1 (en) * 2005-03-21 2006-08-10 Закрытое акционерное общество "Электроремонт" Dc machine test facility

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0023801A1 (en) * 1979-07-25 1981-02-11 Fanuc Ltd. Speed detectors
US4425522A (en) * 1980-12-22 1984-01-10 Victor Company Of Japan, Limited Rotational speed indication signal generator having a plurality of generating coils
US4857784A (en) * 1986-11-27 1989-08-15 Kabushiki Kaisha Toshiba Motor having rotation speed detection mechanism
US6483293B1 (en) * 2000-06-29 2002-11-19 Ford Global Technologies, Inc. System and method for cancelling the effects of stray magnetic fields from the output of a variable reluctance sensor
US6992476B2 (en) * 2001-05-11 2006-01-31 Siemens Aktiengesellschaft Transmitter system for a ferraris motion transmitter
US20040046517A1 (en) * 2002-09-05 2004-03-11 Jong-Dae Kim Electric system of a vehicle
US20070001662A1 (en) * 2003-05-16 2007-01-04 Tdk Corporation Angular velocity sensor and angular velocity detector
US20050261868A1 (en) * 2004-05-21 2005-11-24 Selin Sistemi S.P.A. Device for detecting the speed and the position of a rotating shaft

Also Published As

Publication number Publication date
GB2461812A (en) 2010-01-20
RU2528948C2 (en) 2014-09-20
RU2009127625A (en) 2011-01-27
GB0912391D0 (en) 2009-08-26
DE102008040530A1 (en) 2010-01-21

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Legal Events

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

Effective date: 20140716