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
United Kingdom
Prior art keywords
relating
control
linear motors
motors
linear
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
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.)
Individual
Original Assignee
Individual
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
Priority claimed from GB898920013A external-priority patent/GB8920013D0/en
Application filed by Individual filed Critical Individual
Publication of GB9400335D0 publication Critical patent/GB9400335D0/en
Publication of GB2273166A publication Critical patent/GB2273166A/en
Application granted granted Critical
Publication of GB2273166B publication Critical patent/GB2273166B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion 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
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
    • H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00—Indicating or recording presence, absence, or direction, of movement
    • G01P13/02—Indicating direction only, e.g. by weather vane
    • G01P13/04—Indicating positive or negative direction of a linear movement or clockwise or anti-clockwise direction of a rotational movement
    • G01P13/045—Indicating positive or negative direction of a linear movement or clockwise or anti-clockwise direction of a rotational movement with speed indication
    • 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
    • G01P3/50—Devices characterised by the use of electric or magnetic means for measuring linear speed
    • G01P3/52—Devices characterised by the use of electric or magnetic means for measuring linear speed by measuring amplitude of generated current or voltage

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Control Of Linear Motors (AREA)
  • Linear Motors (AREA)
GB9400335A 1989-09-05 1994-01-10 Improvements in or relating to the control of linear motors Expired - Fee Related GB2273166B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB898920013A 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 GB9400335D0 (en) 1994-03-09
GB2273166A 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
IL135650A0 (en) 1997-10-15 2001-05-20 Advanced Motion Tech Llc A linear electromagnetic machine
DE102004046824B4 (en) * 2004-09-27 2016-06-16 Siemens Aktiengesellschaft Speed 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
GB2273166A (en) 1994-06-08
GB9400335D0 (en) 1994-03-09

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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