[go: up one dir, main page]

GB2477229B - An electric motor arrangement and method of controlling thereof - Google Patents

An electric motor arrangement and method of controlling thereof

Info

Publication number
GB2477229B
GB2477229B GB1105033.3A GB201105033A GB2477229B GB 2477229 B GB2477229 B GB 2477229B GB 201105033 A GB201105033 A GB 201105033A GB 2477229 B GB2477229 B GB 2477229B
Authority
GB
United Kingdom
Prior art keywords
controlling
electric motor
motor arrangement
arrangement
electric
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.)
Active
Application number
GB1105033.3A
Other versions
GB2477229A (en
GB201105033D0 (en
Inventor
Timothy John Martin
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.)
Protean Electric Ltd
Original Assignee
Protean Electric 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 Protean Electric Ltd filed Critical Protean Electric Ltd
Priority to GB1105033.3A priority Critical patent/GB2477229B/en
Publication of GB201105033D0 publication Critical patent/GB201105033D0/en
Publication of GB2477229A publication Critical patent/GB2477229A/en
Application granted granted Critical
Publication of GB2477229B publication Critical patent/GB2477229B/en
Priority to PCT/IB2012/051042 priority patent/WO2012131506A2/en
Priority to CN201210083547.3A priority patent/CN102780442B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
    • H02P21/36—Arrangements for braking or slowing; Four quadrant control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/007—Physical arrangements or structures of drive train converters specially adapted for the propulsion motors of electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/02—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles characterised by the form of the current used in the control circuit
    • B60L15/025—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles characterised by the form of the current used in the control circuit using field orientation; Vector control; Direct Torque Control [DTC]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • B60L15/2045—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed for optimising the use of energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/10—Dynamic electric regenerative braking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/10—Dynamic electric regenerative braking
    • B60L7/14—Dynamic electric regenerative braking for vehicles propelled by AC motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/10—Dynamic electric regenerative braking
    • B60L7/16—Dynamic electric regenerative braking for vehicles comprising converters between the power source and the motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/10—Dynamic electric regenerative braking
    • B60L7/18—Controlling the braking effect
    • H02P21/0092—
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
    • H02P3/06—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter
    • H02P3/08—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing a DC motor
    • H02P3/14—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing a DC motor by regenerative braking
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
    • H02P3/06—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter
    • H02P3/18—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an AC motor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/24—Arrangements for stopping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/10—Electrical machine types
    • B60L2220/14—Synchronous machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/40—Electrical machine applications
    • B60L2220/44—Wheel Hub motors, i.e. integrated in the wheel hub
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2270/00—Problem solutions or means not otherwise provided for
    • B60L2270/10—Emission reduction
    • B60L2270/14—Emission reduction of noise
    • B60L2270/142—Emission reduction of noise acoustic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2270/00—Problem solutions or means not otherwise provided for
    • B60L2270/10—Emission reduction
    • B60L2270/14—Emission reduction of noise
    • B60L2270/145—Structure borne vibrations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Ac Motors In General (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
GB1105033.3A 2011-03-25 2011-03-25 An electric motor arrangement and method of controlling thereof Active GB2477229B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1105033.3A GB2477229B (en) 2011-03-25 2011-03-25 An electric motor arrangement and method of controlling thereof
PCT/IB2012/051042 WO2012131506A2 (en) 2011-03-25 2012-03-06 An electric motor arrangement and method of controlling thereof
CN201210083547.3A CN102780442B (en) 2011-03-25 2012-03-26 Electronic device and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1105033.3A GB2477229B (en) 2011-03-25 2011-03-25 An electric motor arrangement and method of controlling thereof

Publications (3)

Publication Number Publication Date
GB201105033D0 GB201105033D0 (en) 2011-05-11
GB2477229A GB2477229A (en) 2011-07-27
GB2477229B true GB2477229B (en) 2012-01-25

Family

ID=44067360

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1105033.3A Active GB2477229B (en) 2011-03-25 2011-03-25 An electric motor arrangement and method of controlling thereof

Country Status (3)

Country Link
CN (1) CN102780442B (en)
GB (1) GB2477229B (en)
WO (1) WO2012131506A2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4079563A1 (en) 2021-04-20 2022-10-26 Volvo Truck Corporation A control interface for inefficient electric machines
WO2022237977A1 (en) 2021-05-12 2022-11-17 Volvo Truck Corporation An electric machine with a variable stator geometry configured for adjustable power loss
WO2022253411A1 (en) 2021-06-01 2022-12-08 Volvo Truck Corporation Energy efficient propulsion based on wheel slip balanced drive
EP4194250A1 (en) 2021-12-09 2023-06-14 Volvo Truck Corporation A driveline for a vehicle

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5857733B2 (en) * 2011-12-26 2016-02-10 アイシン精機株式会社 Vehicle braking device
JP5904583B2 (en) * 2012-06-27 2016-04-13 トヨタ車体株式会社 Motor control device
GB2515318B (en) * 2013-06-19 2016-05-18 Protean Electric Ltd Inverter for an electric motor or generator
US9651592B2 (en) * 2013-12-03 2017-05-16 Rockwell Automation Technologies, Inc. Impedance detector apparatus and method
JP6915788B2 (en) * 2016-05-17 2021-08-04 マイクロスペース株式会社 Motor drive control device and electric device
DE102019209229A1 (en) * 2019-06-26 2020-12-31 Robert Bosch Gmbh Control system for an electrical machine for generating a braking torque by the electrical machine and method for operating a control system for an electrical machine
CN113285646B (en) * 2021-06-17 2022-09-06 赵炫弟 Driver brake control method without using external brake unit
WO2023025752A1 (en) * 2021-08-25 2023-03-02 Robert Bosch Gmbh Method for operating a drive system of an electric bicycle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2235836A (en) * 1989-08-21 1991-03-13 Toyota Motor Co Ltd Charging an auxiliary battery in an electric automobile
GB2474321A (en) * 2010-08-11 2011-04-13 Protean Holdings Corp Braking an electric motor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6737828B2 (en) * 2001-07-19 2004-05-18 Matsushita Electric Industrial Co., Ltd. Washing machine motor drive device
JP4490458B2 (en) * 2007-06-15 2010-06-23 日立オートモティブシステムズ株式会社 Rotating electrical machine control device and vehicle drive device
DE102007046289A1 (en) * 2007-09-27 2009-04-02 L-3 Communications Magnet-Motor Gmbh Method and control system for controlling a synchronous electrical machine
GB2462940B8 (en) * 2009-09-03 2012-03-28 Protean Holdings Corp Electric motor and electric generator.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2235836A (en) * 1989-08-21 1991-03-13 Toyota Motor Co Ltd Charging an auxiliary battery in an electric automobile
GB2474321A (en) * 2010-08-11 2011-04-13 Protean Holdings Corp Braking an electric motor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4079563A1 (en) 2021-04-20 2022-10-26 Volvo Truck Corporation A control interface for inefficient electric machines
WO2022237977A1 (en) 2021-05-12 2022-11-17 Volvo Truck Corporation An electric machine with a variable stator geometry configured for adjustable power loss
US12466410B2 (en) 2021-05-12 2025-11-11 Volvo Truck Corporation Electric machine with a variable stator geometry configured for adjustable power loss
WO2022253411A1 (en) 2021-06-01 2022-12-08 Volvo Truck Corporation Energy efficient propulsion based on wheel slip balanced drive
EP4194250A1 (en) 2021-12-09 2023-06-14 Volvo Truck Corporation A driveline for a vehicle

Also Published As

Publication number Publication date
WO2012131506A2 (en) 2012-10-04
WO2012131506A3 (en) 2013-06-27
GB2477229A (en) 2011-07-27
CN102780442B (en) 2016-03-16
GB201105033D0 (en) 2011-05-11
CN102780442A (en) 2012-11-14

Similar Documents

Publication Publication Date Title
GB2477229B (en) An electric motor arrangement and method of controlling thereof
GB2496982B (en) Hybrid electric vehicle and method of control thereof
GB2499710B (en) Hybrid electric vehicle and method of control thereof
GB2501952B (en) A motor and a method of cooling a motor
GB2486320B (en) Hybrid electric vehicle and method of control thereof
PT2872777T (en) Method for controlling an electric generator
PT2768695T (en) Methods and apparatuses for charging of electric vehicles
EP2770626A4 (en) Motor control device and motor control method
EP2770630A4 (en) Motor control device and motor control method
EP2770627A4 (en) Motor control device and motor control method
ZA201307449B (en) System and method for fast start-up of an induction motor
IL228825A0 (en) Flexible winding for an electric motor and method for producing
EP2559574B8 (en) Electric heater apparatus for electric vehicle and method of controlling the same
GB2474321B (en) Electric motor and method of braking using an electric motor
GB2489210B (en) Vehicle and method of control thereof
PL2583380T3 (en) Method and device for starting an electric motor
GB201104336D0 (en) Vehicle and method of control thereof
EP2743121A4 (en) Electric vehicle and method for controlling the same
EP2671287A4 (en) Method of providing an electrical connection arrangement and an electrical connection arrangement
EP2831995A4 (en) Method for controlling rotation rate of electric motor
EP2792540A4 (en) Control device and control method for electric vehicle
PL2607709T3 (en) Electric motor
GB2503779B (en) Inverter controller and method of controlling an inverter
EP2695765A4 (en) Electric vehicle and method for controlling the speed thereof
EP2757202A4 (en) Electric turning control apparatus and control method for electric motor for turning

Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20150924 AND 20150930

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20180315 AND 20180326

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20190228 AND 20190306