ClassID:

218367

H02P21/0089 - CPC Classification

Classification description:

Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation specially adapted for high speeds, e.g. above nominal speed using field weakening

Recent Application in this class:
#1
20260142596
2026-05-21

MOTOR CONTROL DEVICE

#2
20250357874
2025-11-20

ROTATING ELECTRIC MACHINE AND CONTROL METHOD

#3
20250256766
2025-08-14

MOTOR CONTROL DEVICE AND ELECTRIC POWER STEERING DEVICE

#4
20250235994
2025-07-24

ADAPTIVE NUT REMOVAL MODE IN A POWER TOOL

#5
20250158549
2025-05-15

Motor drive system and corresponding method

#6
20240421733
2024-12-19

POWER TOOL CONTROLLING FIELD WEAKENING

#7
20240305228
2024-09-12

MOTOR CONTROL APPARATUS

#8
20240278409
2024-08-22

Power Tool Dynamic Motor Field Weakening System and Method

#9
20240275317
2024-08-15

FIELD WEAKENING FOR BLDC STAND MIXER

#10
20240010076
2024-01-11

SYSTEMS AND METHODS FOR POWER SHARING CONTROL FOR DIRECT INTEGRATION OF FUEL CELLS IN A DUAL-INVERTER EV DRIVETRAIN

#11
20230370005
2023-11-16

Motor and method of controlling the same

#12
20230336101
2023-10-19

APPARATUS AND METHOD FOR DRIVING A PERMANENT MAGNET MOTOR

#13
20230308035
2023-09-28

Motor control device

#14
20230223877
2023-07-13

Method of operating a synchronous motor in a flux weakening mode and a controller therefor

#15
20230179132
2023-06-08

Load adaptive flux weakening of permanent magnet synchronous motor operating in voltage control mode

#16
20230116678
2023-04-13

Motor control device and steering system

#17
20230106892
2023-04-06

Field weakening regulator for CVFR current regulator

#18
20230097479
2023-03-30

Permanent-magnet-synchronous electric motor control device and electric power steering device provided with same

#19
20230079383
2023-03-16

Motor system

#20
20230060458
2023-03-02

Method of operating a synchronous motor in a flux weakening mode and a controller therefor

#21
20220368255
2022-11-17

Motor drive apparatus

#22
20220337183
2022-10-20

Catch spin method for permanent magnet synchronous motor with sensorless field oriented control

#23
20220337182
2022-10-20

Transient current planning method for ultra-high-speed permanent magnet synchronous motor for improving speed regulation response capabilities

#24
20220337175
2022-10-20

Control device, inverter, assembly having an inverter and an electric machine, method for operating an inverter and computer program

#25
20220315099
2022-10-06

Motor control device and steering system having the same

#26
20220311367
2022-09-29

CONTROL METHOD FOR VECTOR FLUX WEAKENING FOR VEHICLE PERMANENT MAGNET SYNCHRONOUS MOTOR

#27
20220302862
2022-09-22

Vector control method for vehicle permanent magnet synchronous motor based on DC power

#28
20220255488
2022-08-11

Inverter with switch control and a method of controlling an inverter

#29
20220190762
2022-06-16

MTPA based method for parameterless and position-sensorless control of a permanent magnet synchronous motor

#30
20220103101
2022-03-31

ACTUATOR MOTION CONTROLLER WITH REGENERATION COMPENSATION

#31
20220014132
2022-01-13

Vector flux weakening control system for permanent magnet synchronous motor of electric drive system

#32
20220006403
2022-01-06

Motor control device

#33
20210367541
2021-11-25

Motor control device

#34
20210359629
2021-11-18

Inverter control method and motor control device

#35
20210242815
2021-08-05

Rotary machine controller, refrigerant compressor, refrigeration cycle system, and air conditioner

#36
20210211079
2021-07-08

Catch spin method for permanent magnet synchronous motor with sensorless field oriented control

#37
20210211078
2021-07-08

Controller for rotary electric machine apparatus

#38
20210207860
2021-07-08

Device and method for field weakening control of compressor, air conditioner and storage medium

#39
20210159827
2021-05-27

Supply current management under voltage saturated motor current control

#40
20210155282
2021-05-27

Steering control device

#41
20210135612
2021-05-06

Method for estimating mechanical parameters of an electrical motor

#42
20210021222
2021-01-21

Method for operating an electrically commutated machine

#43
20200304049
2020-09-24

PULSE WIDTH MODULATION PATTERN GENERATOR AND CORRESPONDING SYSTEMS, METHODS AND COMPUTER PROGRAMS

#44
20200287491
2020-09-10

Method for operating a permanent magnet synchronous motor, and motor assembly

#45
20200228037
2020-07-16

Actuator motion controller with regeneration compensation

#46
20200162004
2020-05-21

INDUCTION MOTOR CONTROL

#47
20200119676
2020-04-16

SYSTEM AND METHOD FOR CONTROLLING AN INDUCTION MOTOR

#48
20200059182
2020-02-20

Motor controller and power steering device

#49
20200007058
2020-01-02

Controller for power convertor and motor driving system

#50
20190375098
2019-12-12

Robot control method

#51
20190237990
2019-08-01

System and method for discharging an excitation coil

#52
20190158691
2019-05-23

Sheet conveyance apparatus and image forming apparatus

#53
20190131903
2019-05-02

Power conversion device and air conditioner

#54
20190131830
2019-05-02

Variable torque electric motor assembly

#55
20190013752
2019-01-10

Sheet conveying apparatus and image forming apparatus

#56
20190006975
2019-01-03

Induction machine having a customized field-forming current component

#57
20180302013
2018-10-18

Control device for permanent magnet-type rotating electrical machine

#58
20180287539
2018-10-04

Pump assembly and controlling method

#59
20180244308
2018-08-30

Electric power steering device and method for controlling same

#60
20180223989
2018-08-09

Method for controlling a rotating electrical machine on changing from modulation of the full-wave type to pulse-width modulation

#61
20180191283
2018-07-05

Motor Control Device and Electric Power Steering Device Mounting the Same

#62
20180175767
2018-06-21

Motor control system and method and device for controlling power factor on motor side

#63
20180175764
2018-06-21

Wind power generator vibration inhibition method and device

#64
20180131305
2018-05-10

System and method for starting synchronous motors

#65
20180123493
2018-05-03

Motor control device

#66
20180115267
2018-04-26

Closed loop flux weakening for permanent magnet synchronous motors

#67
20180109217
2018-04-19

Synchronous motor control circuit and control method

#68
20180006587
2018-01-04

Motor control apparatus and method

#69
20170324356
2017-11-09

Method and device for controlling an operation of an electric motor

#70
20170317617
2017-11-02

Operating point determination in an electric motor system

#71
20170085200
2017-03-23

Methods and apparatus for generating current commands for an interior permanent magnet (IPM) motor

#72
20170072924
2017-03-16

Method for controlling a brake system

#73
20170063282
2017-03-02

Motor driving system

#74
20160352274
2016-12-01

System of controlling induction electric motor

#75
20160187875
2016-06-30

Variable magnetization machine controller

#76
20160149524
2016-05-26

Variable magnetization machine controller

#77
20160126871
2016-05-05

Motor control device for controlling current phase on dq/three-phase coordinates

#78
20160111992
2016-04-21

Automatic and adaptive defluxing device and method implementing such a device

#79
20160094173
2016-03-31

Systems and methods for controlling high speed motor

#80
20160079901
2016-03-17

Four quadrant voltage limiter for rotor flux oriented machine control

#81
20160056747
2016-02-25

Dynamically reconfigurable motor and generator systems

#82
20160043671
2016-02-11

Motor drive circuit and method of driving a motor

#83
20150381083
2015-12-31

Motor control apparatus and method

#84
20150372623
2015-12-24

Decoupling current control utilizing direct plant modification in electric power steering system

#85
20150194919
2015-07-09

Method for controlling the electromagnetic torque of a high-speed-synchronous machine

#86
20150188474
2015-07-02

Control system and method for an electric three-phase variable speed motor

#87
20150162816
2015-06-11

Current conversion device for a single- or multi-axis arrangement and operating method

#88
20150158502
2015-06-11

Optimized control of the operation of one or more traction systems of a train for entering and exiting from a coasting condition

#89
20150137727
2015-05-21

Motor control apparatus

#90
20150130376
2015-05-14

Method of field weakening control of permanent magnet motor drivers

#91
20150108938
2015-04-23

Engine control for a synchronous motor

#92
20150061557
2015-03-05

Electric motor control device and electric motor control method

#93
20150048766
2015-02-19

Synchronous motor control apparatus

#94
20150035461
2015-02-05

Electric motor control device and electric motor control method

#95
20150022127
2015-01-22

Current control device of synchronous motor

#96
20150008851
2015-01-08

Method for controlling a permanently excited synchronous motor

#97
20150002058
2015-01-01

Motor control device and motor control program

#98
20140375235
2014-12-25

Permanent magnet motor controller

#99
20140346983
2014-11-27

Motor control device and motor control method

#100
20140312812
2014-10-23

Electric motor control device

#101
20140265994
2014-09-18

Dynamically reconfigurable motor and generator systems

#102
20140217941
2014-08-07

Motor control system

#103
20140203754
2014-07-24

METHOD OF CONTROLLING AN AC MACHINE AND CONTROLLER FOR CONTROLLING AN AC MACHINE

#104
20140197771
2014-07-17

Motor control apparatus and motor control method

#105
20140184133
2014-07-03

Variable-flux motor drive system

#106
20140152207
2014-06-05

Motor control device

#107
20140125261
2014-05-08

Controller of AC motor

#108
20130334991
2013-12-19

Variable-flux motor drive system

#109
20130328508
2013-12-12

Method for controlling interior permanent magnet synchronous motor

#110
20130314011
2013-11-28

Methods, systems and apparatus for computing a voltage advance used in controlling operation of an electric machine

#111
20130257324
2013-10-03

Motor control device

#112
20130169201
2013-07-04

Methods, systems and apparatus for controlling operation of an electric machine in an overmodulation region

#113
20130154524
2013-06-20

Motor control system for limiting regenerative current

#114
20130093371
2013-04-18

Motor control device that controls d-axis current of permanent magnet synchronous motor

#115
20130033210
2013-02-07

Three-phase rotary machine control apparatus

#116
20130020971
2013-01-24

Temperature compensation for improved field weakening accuracy

#117
20130009575
2013-01-10

Apparatus for operating interior permanent magnet synchronous motor

#118
20130002174
2013-01-03

Control device for motor drive system and vehicle incorporating the same

#119
20120306423
2012-12-06

Motor control system implementing field weakening

#120
20120303218
2012-11-29

ELECTRIC STEERING DEVICE

#121
20120268053
2012-10-25

Alternating current machine with increased torque above and below rated speed for hybrid/electric propulsion systems

#122
20120249033
2012-10-04

Sensorless motor control

#123
20120249024
2012-10-04

ELECTRIC MOTOR CONTROL DEVICE

#124
20120217916
2012-08-30

Device and method for generating an initial controller lookup table for an IPM machine

#125
20120194108
2012-08-02

MOTOR SYSTEM

#126
20120181970
2012-07-19

Variable-flux motor drive system

#127
20120169265
2012-07-05

Control apparatus and measuring apparatus

#128
20120153881
2012-06-21

VECTOR CONTROL METHOD FOR ELECTRIC MOTORS

#129
20120146559
2012-06-14

Estimation of actual torque in an electrical motor drive

#130
20120139458
2012-06-07

System for controlling a motor of vehicle

#131
20120081060
2012-04-05

CONTROL APPARATUS FOR DRIVING APPARATUS

#132
20120068654
2012-03-22

Configurable multi-axis electric drive system concept

#133
20120068639
2012-03-22

Electric motor control device

#134
20120032622
2012-02-09

Single power supply dual converter open-winding machine drive

#135
20120032620
2012-02-09

CONTROL DEVICE

#136
20120025749
2012-02-02

Control system of three phase induction motor driver and field weakening control method thereof

#137
20120025747
2012-02-02

Method of operating an electromechanical converter, a controller and a computer program product

#138
20110279071
2011-11-17

Control device for AC motor

#139
20110264330
2011-10-27

Electric power steering apparatus

#140
20110241584
2011-10-06

CONTROL DEVICE OF MOTOR DRIVING APPARATUS

#141
20110241583
2011-10-06

CONTROL DEVICE OF MOTOR DRIVING APPARATUS

#142
20110175558
2011-07-21

Power converting apparatus for motor driving

#143
20110166750
2011-07-07

Electric power steering device

#144
20110162554
2011-07-07

Operating a synchronous motor having a permanent magnet rotor

#145
20110140642
2011-06-16

Power conversion device

#146
20110127933
2011-06-02

Control device for electric motor drive device

#147
20110083467
2011-04-14

Air conditioner, air conditioner manufacturing method, and compressor

#148
20110076157
2011-03-31

Centrifugal pump unit

#149
20110074320
2011-03-31

Control device for electric motor drive device

#150
20110061547
2011-03-17

Press machine and method of controlling the same

#151
20110057591
2011-03-10

Synchronous electric motor drive system

#152
20110050152
2011-03-03

Method and apparatus for control of an AC electric motor with field weakening

#153
20110050137
2011-03-03

Apparatus for carrying out improved control of rotary machine

#154
20110031920
2011-02-10

Controller and method for estimating, managing, and diagnosing motor parameters

#155
20110031919
2011-02-10

Controller and method for minimizing phase advance current

#156
20110031910
2011-02-10

Control apparatus for electric rotating machine

#157
20110029179
2011-02-03

Motor control device and motor system equipped with motor control device

#158
20110025238
2011-02-03

Motor controller and electronic power steering apparatus

#159
20100283414
2010-11-11

Motor for washer, method for controlling the motor, and method for controlling the washer

#160
20100253260
2010-10-07

Motor drive control device

#161
20100242549
2010-09-30

Inverter device for washing machine

#162
20100231151
2010-09-16

AC motor drive control device and method

#163
20100231149
2010-09-16

Linearity for field weakening in an interior permanent magnet machine

#164
20100219780
2010-09-02

Motor control apparatus

#165
20100201294
2010-08-12

Variable magnetic flux motor drive system

#166
20100181834
2010-07-22

Circuit arrangement for the selective operation of at least two electric machines

#167
20100148711
2010-06-17

Pseudo current type 120-degree conduction inverter

#168
20100140003
2010-06-10

Electric motor control device, drive device and hybrid drive device

#169
20100123418
2010-05-20

Alternating-current motor control apparatus

#170
20100109584
2010-05-06

Position-sensorless control system and method of operation for a synchronous motor

#171
20100090640
2010-04-15

Motor controller, motor control system, and washing machine

#172
20100066283
2010-03-18

Vector controller for permanent-magnet synchronous electric motor

#173
20100060223
2010-03-11

Permanent magnet rotating electrical machine and permanent magnet motor drive system

#174
20100026216
2010-02-04

Vector control for an axial gap motor

#175
20100019714
2010-01-28

Alternating current machine with increased torque above and below rated speed for hybrid electric propulsion systems

#176
20100013421
2010-01-21

Drive controller and drive control method for electric motor

#177
20090322264
2009-12-31

Apparatus for carrying out improved control of rotary machine

#178
20090284195
2009-11-19

Gain adjustment to improve torque linearity in a field weakening region

#179
20090261774
2009-10-22

Variable-flux motor drive system

#180
20090237015
2009-09-24

Motor control device

#181
20090234538
2009-09-17

Method and apparatus for controlling electric power steering system

#182
20090212734
2009-08-27

Torque limit of PM motors for field-weakening region operation

#183
20090195197
2009-08-06

Rotating electrical machine control device

#184
20090189555
2009-07-30

Electric motor control device and drive unit

#185
20090164047
2009-06-25

Method for controlling motor of air conditioner

#186
20090115362
2009-05-07

Electric motor control device, electric vehicle, and hybrid electric vehicle

#187
20090071735
2009-03-19

Controller of field winding type synchronous motor, electric drive system, electric four wheel driving vehicle, and hybrid automobile

#188
20090027000
2009-01-29

Linearity for field weakening in an interior permanent magnet machine

#189
20090026999
2009-01-29

Motor controller

#190
20090026989
2009-01-29

Electromagnetic Suspension Device

#191
20080303471
2008-12-11

Motor control apparatus

#192
20080297097
2008-12-04

Motor driver system and method for controlling motor driver

#193
20080297085
2008-12-04

Motor driver system and method for protecting motor driver

#194
20080297078
2008-12-04

Motor control device

#195
20080265817
2008-10-30

Sensorless speed detection during zero vector

#196
20080224651
2008-09-18

Method and system for controlling permanent magnet AC machines

#197
20080218111
2008-09-11

Control device for motor drive system and electric vehicle including the same

#198
20080185983
2008-08-07

Motor controller and electric power steering apparatus

#199
20080094015
2008-04-24

System and method for universal adaptive torque control of permanent magnet motors

#200
20080042606
2008-02-21

Feedback control method and apparatus for electric motor

#201
20080018278
2008-01-24

MOTOR AND DRIVE CONTROL DEVICE THEREFOR

#202
20080018277
2008-01-24

Motor and drive control device therefor

#203
20080007199
2008-01-10

Controller and control method of permanent magnet type rotary motor

#204
20080001570
2008-01-03

Method for controlling a wound rotor synchronous motor

#205
20070267990
2007-11-22

Electronically commutated motor and control system employing phase angle control of phase current

#206
20070229010
2007-10-04

Control system for multiphase rotary electric machines

#207
20070222406
2007-09-27

Controller for motor

#208
20070222404
2007-09-27

Controller for motor

#209
20070210767
2007-09-13

Controller for a permanent magnet generator and a generator in combination with such a controller

#210
20070108937
2007-05-17

Voltage mode control with phase advancing for position controlled electric machines

#211
20070107973
2007-05-17

Motor drive control apparatus and electric power steering apparatus

#212
20070085507
2007-04-19

Field weakening vector controller for permanent magnet synchronous motor and control module

#213
20070040524
2007-02-22

Power factor control for floating frame controller for sensorless control of synchronous machines

#214
20060273765
2006-12-07

Controller for a permanent magnet generator and a generator in combination with such a controller

#215
20060113954
2006-06-01

Advanced current control method and apparatus for a motor drive system

#216
20060097702
2006-05-11

Position-sensorless control of interior permanent magnet machines

#217
20060071628
2006-04-06

Motor and drive control device therefor

#218
20060055363
2006-03-16

Field weakening motor control system and method

#219
20060012327
2006-01-19

Motor control device

#220
20050035678
2005-02-17

Axial flux motor mass reduction with improved cooling

#221
20050029982
2005-02-10

Methods and apparatus for current control of a three-phase voltage source inverter in the overmodulation region

#222
18915421
2025-01-28

Flux-weakening control method and system for salient pole offset permanent magnet synchronous motor

#223
15210179
2017-09-26

Modification of stator current for enhanced flux weakening

#224
14998300
2017-04-04

Flux weakening AC motor control by voltage vector angle deflection