GB8818847D0 - Improvements in electric motor control - Google Patents

Improvements in electric motor control

Info

Publication number
GB8818847D0
GB8818847D0 GB888818847A GB8818847A GB8818847D0 GB 8818847 D0 GB8818847 D0 GB 8818847D0 GB 888818847 A GB888818847 A GB 888818847A GB 8818847 A GB8818847 A GB 8818847A GB 8818847 D0 GB8818847 D0 GB 8818847D0
Authority
GB
United Kingdom
Prior art keywords
electric motor
motor control
control
electric
motor
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.)
Withdrawn
Application number
GB888818847A
Other versions
GB2221769A (en
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.)
Rover Co Ltd
Original Assignee
Rover Co Ltd
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 Rover Co Ltd filed Critical Rover Co Ltd
Priority to GB8818847A priority Critical patent/GB2221769A/en
Publication of GB8818847D0 publication Critical patent/GB8818847D0/en
Publication of GB2221769A publication Critical patent/GB2221769A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
    • H02H7/0851—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load for motors actuating a movable member between two end positions, e.g. detecting an end position or obstruction by overload signal
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/37—Measurements
    • G05B2219/37317—Derive position from current, voltage, back electromotive force bemf
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/37—Measurements
    • G05B2219/37486—Resolver emits pulses at zerocrossings, counter
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/45—Nc applications
    • G05B2219/45242—Door, panel, window operation, opening, closing
GB8818847A 1988-08-09 1988-08-09 Improvements in electric motor control Withdrawn GB2221769A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8818847A GB2221769A (en) 1988-08-09 1988-08-09 Improvements in electric motor control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8818847A GB2221769A (en) 1988-08-09 1988-08-09 Improvements in electric motor control

Publications (2)

Publication Number Publication Date
GB8818847D0 true GB8818847D0 (en) 1988-09-14
GB2221769A GB2221769A (en) 1990-02-14

Family

ID=10641806

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8818847A Withdrawn GB2221769A (en) 1988-08-09 1988-08-09 Improvements in electric motor control

Country Status (1)

Country Link
GB (1) GB2221769A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5422551A (en) * 1992-05-23 1995-06-06 Koito Manufacturing Co., Ltd. Safety device and method for power window
GB2269568A (en) * 1992-08-10 1994-02-16 Lansing Linde Ltd Electrically powered device, eg vehicle with on-demand power steering.
DE4442171A1 (en) * 1994-11-26 1996-06-13 Telefunken Microelectron Method for monitoring the opening and closing process in a system with at least one electromotive part
FR2734598B1 (en) * 1995-05-22 1997-07-18 Faiveley Transport ELECTRONIC CONTROL METHOD FOR OPENING AND / OR CLOSING A DOOR AND DEVICE FOR IMPLEMENTING IT
FR2743602B1 (en) * 1996-01-12 1998-10-09 Somfy MOTORIZED CLOSURE OR SUN PROTECTION INSTALLATION
GB2317058B (en) * 1996-09-06 2000-07-05 Draftex Ind Ltd Electric motors
US6411873B1 (en) * 2000-06-06 2002-06-25 Dan Rogovin Method and apparatus for determining motor rotation in a power window system
DE10028037A1 (en) * 2000-06-06 2001-12-13 Kostal Leopold Gmbh & Co Kg Determining the rotating position of the rotor of a DC motor, involves determining current ripple to be expected during slowdown of rotor of DC motor
FR2822605B1 (en) * 2001-03-23 2003-07-04 Meritor Light Vehicle Sys Ltd METHOD AND DEVICE FOR DETERMINING THE POSITION OF THE SHAFT OF AN ELECTRIC MOTOR
WO2004104667A1 (en) * 2003-05-22 2004-12-02 Koninklijke Philips Electronics N.V. Distance measurement in motor-driven focusing systems
DE202005015869U1 (en) 2005-10-06 2007-02-15 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg Control device of an adjusting device of a motor vehicle
ITUB20155321A1 (en) * 2015-11-06 2017-05-06 Automotive Lighting Italia Spa Anti-pinch circuit device for automatic moving apparatus of sliding windows in a motor vehicle, in particular an automatic crystal raising apparatus and relative process

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4234833A (en) * 1978-01-19 1980-11-18 A. E. Moore Company, Inc. Door operator system using counter circuit for determining limit positions
FR2461408A1 (en) * 1979-07-06 1981-01-30 Jaeger ELECTRIC PULSE TOTALIZER USING AN ELECTRIC MOTOR PROVIDED BY A POSITION CONTROL
US4463426A (en) * 1979-10-12 1984-07-31 International Telephone And Telegraph Corporation Automatic position control for a vehicle seat
DE3034118C2 (en) * 1980-09-11 1983-12-29 Fa. Leopold Kostal, 5880 Lüdenscheid Process for the electronic monitoring of the opening and closing process of electrically operated units
JPS61117598U (en) * 1984-12-29 1986-07-24
FR2585200B1 (en) * 1985-07-18 1988-02-12 Jaeger METHOD AND DEVICE FOR CONTROLLING A DC MOTOR
US4870333A (en) * 1986-10-03 1989-09-26 Jidosha Denki Kogyo Kabushiki Kaisha Automatic opening and closing device for a window

Also Published As

Publication number Publication date
GB2221769A (en) 1990-02-14

Similar Documents

Publication Publication Date Title
GB8915214D0 (en) Three-phase electric motor
EP0334662A3 (en) Magnet-retaining structure for an electric motor
SG33650G (en) Improvements in electric machines
GB8800890D0 (en) Electric motor arrangements
GB8818847D0 (en) Improvements in electric motor control
GB2221583B (en) An electric drive motor
GB8813370D0 (en) Electric motor
GB8904387D0 (en) Electric power control
GB8801924D0 (en) Electric motor
GB8823993D0 (en) Rotor in electric motor
GB8826614D0 (en) Bearing arrangement in electric motor
GB8820089D0 (en) Armature in electric motor
GB8828162D0 (en) Rotor in electric motor
GB8804991D0 (en) Improvements in electric motors
GB2221802B (en) Electric motor
GB8806745D0 (en) Electric motor
GB8806744D0 (en) Electric motor
GB8820093D0 (en) Electric motor
GB8820088D0 (en) Electric motor
GB8812365D0 (en) Electric motor
GB8800524D0 (en) Brushgear in electric motor
GB2216222B (en) Electric motor
GB8820090D0 (en) Rotor in electric motor
GB2219155B (en) Improvements in or relating to electrical motor drive systems
GB2227889B (en) Connector in an electric motor

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)