GB2273166B - Improvements in or relating to the control of linear motors - Google Patents

Improvements in or relating to the control of linear motors

Info

Publication number
GB2273166B
GB2273166B GB9400335A GB9400335A GB2273166B GB 2273166 B GB2273166 B GB 2273166B GB 9400335 A GB9400335 A GB 9400335A GB 9400335 A GB9400335 A GB 9400335A GB 2273166 B GB2273166 B GB 2273166B
Authority
GB
Grant status
Grant
Patent type
Prior art keywords
relating
improvements
control
linear motors
motors
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
GB9400335A
Other versions
GB2273166A (en )
GB9400335D0 (en )
Inventor
Hugh-Peter Granville Kelly
Original Assignee
Kelly H P G
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
Grant date

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K41/00Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02Linear motors; Sectional motors
    • H02K41/03Synchronous motors; Motors moving step by step; Reluctance motors
    • H02K41/031Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00Indicating or recording presence, absence, or direction, of movement
    • G01P13/02Indicating direction only, e.g. by weather vane
    • G01P13/04Indicating positive or negative direction of a linear movement or clockwise or anti-clockwise direction of a rotational movement
    • G01P13/045Indicating positive or negative direction of a linear movement or clockwise or anti-clockwise direction of a rotational movement with speed indication
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42Devices characterised by the use of electric or magnetic means
    • G01P3/50Devices characterised by the use of electric or magnetic means for measuring linear speed
    • G01P3/52Devices characterised by the use of electric or magnetic means for measuring linear speed by measuring amplitude of generated current or voltage
GB9400335A 1989-09-05 1994-01-10 Improvements in or relating to the control of linear motors Expired - Fee Related GB2273166B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8920013A GB8920013D0 (en) 1989-09-05 1989-09-05 Improvements in or relating to the control of linear motors
GB9019235A GB2235783B (en) 1989-09-05 1990-09-04 Improvements in or relating to the control of linear motors

Publications (3)

Publication Number Publication Date
GB9400335D0 true GB9400335D0 (en) 1994-03-09
GB2273166A true GB2273166A (en) 1994-06-08
GB2273166B true GB2273166B (en) 1994-08-31

Family

ID=26295870

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9400335A Expired - Fee Related GB2273166B (en) 1989-09-05 1994-01-10 Improvements in or relating to the control of linear motors

Country Status (1)

Country Link
GB (1) GB2273166B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999019972A3 (en) * 1997-10-15 1999-07-22 Phillip Michael Raymond Denne A linear electromagnetic machine
DE102004046824B4 (en) 2004-09-27 2016-06-16 Siemens Aktiengesellschaft Velocity measurement in an electric permanent-magnet synchronous machine
US8138708B2 (en) * 2008-11-26 2012-03-20 Allegro Microsystems, Inc. Closed-loop motor driver compensation

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3787716A (en) * 1972-02-16 1974-01-22 Aerospace Corp Linear pulsed d.c. motor and controls therefor
GB1381125A (en) * 1971-06-28 1975-01-22 Xynetics Inc Linear motors and positioning systems
US4376261A (en) * 1979-11-30 1983-03-08 Papst-Motoren Kg Two-pulse brushless d.c. motor
EP0212104A2 (en) * 1985-06-07 1987-03-04 Toshiba Kikai Kabushiki Kaisha Method and apparatus for detecting absolute position

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1381125A (en) * 1971-06-28 1975-01-22 Xynetics Inc Linear motors and positioning systems
US3787716A (en) * 1972-02-16 1974-01-22 Aerospace Corp Linear pulsed d.c. motor and controls therefor
US4376261A (en) * 1979-11-30 1983-03-08 Papst-Motoren Kg Two-pulse brushless d.c. motor
EP0212104A2 (en) * 1985-06-07 1987-03-04 Toshiba Kikai Kabushiki Kaisha Method and apparatus for detecting absolute position

Also Published As

Publication number Publication date Type
GB2273166A (en) 1994-06-08 application
GB9400335D0 (en) 1994-03-09 application

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020904