ClassID:

218380

H02P21/141 - CPC Classification

Classification description:

Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation; Estimation or adaptation of machine parameters, e.g. flux, current or voltage Flux estimation

Recent Application in this class:
#1
20260121563
2026-04-30

DEVICE AND METHOD FOR OPERATING AN ELECTRIC MOTOR AS WELL AS SYSTEM COMPRISING THE DEVICE AND THE ELECTRIC MOTOR

#2
20260121562
2026-04-30

ELECTRIC MACHINE WITH ROTOR INCLUDING HIGH AND LOW COERCIVITY PERMANENT MAGNETS AND SYSTEMS FOR REMAGNETIZING

#3
20260103085
2026-04-16

ELECTRIFIED VEHICLE

#4
20260074635
2026-03-12

LINEAR PARAMETER-VARYING OBSERVER FOR ESTIMATING PHASE CURRENT OF AN ELECTRIC MOTOR CONTROLLER

#5
20260051833
2026-02-19

METHOD FOR CONTROLLING MOTOR USING DIRECT FLUX VECTOR CONTROL MODULE AND CONSTANT CURRENT ANGLE LOCUS MODULE AND DEVICE

#6
20260039230
2026-02-05

APPLIANCE COMPRESSOR DEMAGNETIZATION DETECTION

#7
20260019020
2026-01-15

Synchronous Machine Control Device, Synchronous Machine Control Method, and Electric Vehicle

#8
20260005630
2026-01-01

MODEL PREDICTIVE CONTROL FOR ELECTRICAL MACHINES WITH MULTIPLE SETS OF WINDINGS

#9
20250388331
2025-12-25

MOTOR HEALTH MONITORING

#10
20250373185
2025-12-04

Controller for a Battery-Powered Permanent Magnet Synchronous Motor

#11
20250309803
2025-10-02

CONTROL DEVICE FOR ROTATING MACHINE

#12
20250260353
2025-08-14

MOTOR CONTROL DEVICE

#13
20250141381
2025-05-01

SYNCHRONOUS MACHINE CONTROL DEVICE, SYNCHRONOUS MACHINE CONTROL METHOD, AND ELECTRIC VEHICLE

#14
20250125752
2025-04-17

METHODS FOR CONFIGURING A MOTOR DRIVE AND APPARATUSES FOR IMPLEMENTING THE SAME

#15
20250125751
2025-04-17

METHODS FOR CONFIGURING A MOTOR DRIVE AND APPARATUSES FOR IMPLEMENTING THE SAME

#16
20250119083
2025-04-10

Method For Controlling Power Converter System and Power Converter System

#17
20250119082
2025-04-10

METHOD, COMPUTER PROGRAM, AND CONTROLLER FOR CONTROLLING AN ELECTRICAL CONVERTER, ELECTRICAL CONVERTER, AND COMPUTER-READABLE MEDIUM

#18
20250080018
2025-03-06

FEEDFORWARD CURRENT CONTROL OF INDUCTION MACHINES

#19
20250070702
2025-02-27

ELECTRIC TOOL AND CONTROL METHOD

#20
20240396483
2024-11-28

POWER CONVERSION DEVICE AND CONTROL METHOD

#21
20240372494
2024-11-07

Method for Controlling a Three-Phase Electric Machine and Control Unit and System Thereof

#22
20240359566
2024-10-31

Rotary permanent magnet electrodynamic suspension device and permanent magnet electrodynamic suspension method using the same

#23
20240356470
2024-10-24

SYNCHRONOUS-MOTOR CONTROL DEVICE AND ELECTRIC VEHICLE

#24
20240356469
2024-10-24

DETECTION METHOD AND APPARATUS FOR MOTOR PARAMETERS

#25
20240333182
2024-10-03

ROTARY MACHINE CONTROL DEVICE

#26
20240322722
2024-09-26

CONTROL DEVICE FOR ROTATING MACHINE

#27
20240313680
2024-09-19

METHOD AND DEVICE FOR INJECTING HIGH FREQUENCY CURRENT VECTOR

#28
20240275324
2024-08-15

METHOD FOR AVOIDING STALLED MOTOR IN A STAND MIXER WITH SENSORLESS BLDC DRIVE

#29
20240275316
2024-08-15

METHOD FOR OPERATING A VARIABLE SPEED DRIVE FOR DRIVING AN ELECTRIC MOTOR AND VARIABLE SPEED DRIVE FOR EXECUTING THE METHOD

#30
20240258953
2024-08-01

METHOD FOR ESTIMATING THE MAGNET TEMPERATURE IN AN ELECTRICAL MACHINE, METHOD FOR CONTROLLING SAID ELECTRICAL MACHINE, ELECTRONIC DEVICE FOR ESTIMATING THE MAGNET TEMPERATURE IN AN ELECTRICAL MACHINE AND SYSTEM FOR CONTROLLING SAID ELECTRICAL MACHINE

#31
20240243679
2024-07-18

ESTIMATION OF THE TORQUE OF AN ELECTRIC MACHINE

#32
20240243678
2024-07-18

METHOD AND DEVICE FOR CONTROLLING THREE-PHASE MOTOR

#33
20240195339
2024-06-13

Motor flying start using field weakening control

#34
20240195337
2024-06-13

CURRENT MEASUREMENT APPARATUS, CURRENT MEASUREMENT PROGRAM, AND CURRENT MEASUREMENT METHOD

#35
20240195335
2024-06-13

System and method for controlling an electric motor without a position sensor

#36
20240178768
2024-05-30

CONTROL METHOD FOR SEMI-CENTRALIZED OPEN WINDING MULTI-MOTOR DRIVE SYSTEM

#37
20240171107
2024-05-23

Synchronous Machine Control Device, Synchronous Machine Control Method, and Electric Vehicle

#38
20240171103
2024-05-23

METHOD AND DEVICE FOR OPTIMALLY DESIGNING TOPOLOGY OF PERMANENT MAGNET-INSERTED ELECTRIC MOTORS BY CONSIDERING MAXIMUM-TORQUE-PER-AMPERE CONTROL PERFORMANCE AND FIELD-WEAKENING CONTROL PERFORMANCE

#39
20240128905
2024-04-18

Stable And Passive Observer-Based V/Hz Control For Induction Motors

#40
20240120866
2024-04-11

Determinations of static load torque at standstill

#41
20240120864
2024-04-11

DETERMINING A PERMANENT MAGNET FLUX STATE

#42
20240106360
2024-03-28

Method for reducing electromagnetic vibration of permanent magnet motor with fractional slot concentrated winding

#43
20240079982
2024-03-07

Power Converter Apparatus

#44
20240063738
2024-02-22

MOTOR CONTROL DEVICE

#45
20240056004
2024-02-15

MOTOR DRIVER

#46
20240048079
2024-02-08

ELECTRIC MOTOR DRIVE APPARATUS, ELECTRIC MOTOR DRIVE METHOD, AND STORAGE MEDIUM

#47
20240039441
2024-02-01

Motor drive device

#48
20230396197
2023-12-07

Method of starting a synchronous motor and a controller therefor

#49
20230361702
2023-11-09

METHOD, CONTROL DEVICE FOR CONTROLLING ASYNCHRONOUS INDUCTION MOTOR AND MOTOR SYSTEM

#50
20230353075
2023-11-02

Rotary machine control apparatus, machine learning apparatus, and inference apparatus

#51
20230308035
2023-09-28

Motor control device

#52
20230299699
2023-09-21

Comparison of rotor flux parameters

#53
20230299698
2023-09-21

Predictive control method for a multilevel converter

#54
20230223877
2023-07-13

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

#55
20230198438
2023-06-22

Rotary machine control device

#56
20230188070
2023-06-15

Motor controller and motor controlling method

#57
20230188069
2023-06-15

Method and system for creating data map for field weakening control of motor

#58
20230179132
2023-06-08

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

#59
20230163715
2023-05-25

Motor temperature and torque estimation device, and motor control device

#60
20230155529
2023-05-18

SYNCHRONOUS MACHINE CONTROL DEVICE, SYNCHRONOUS MACHINE CONTROL METHOD, AND ELECTRIC VEHICLE

#61
20230106892
2023-04-06

Field weakening regulator for CVFR current regulator

#62
20230067785
2023-03-02

Method of starting a synchronous motor and a controller therefor

#63
20230041799
2023-02-09

Method for estimating the electromagnetic torque of a synchronous electric machine

#64
20220329186
2022-10-13

Open loop duty control with automatic field orientation for a permanent magnet AC (PMAC) motor

#65
20220311367
2022-09-29

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

#66
20220247337
2022-08-04

Controller for AC rotary electric machine

#67
20220231624
2022-07-21

Motor drive optimization system and method

#68
20220200497
2022-06-23

Method for adapting the control parameters of an electric traction machine being a permanent magnetic synchronous motor

#69
20220196740
2022-06-23

Method for categorizing performance of an electric traction machine being a permanent magnetic synchronous motor

#70
20220185120
2022-06-16

Electric machine and control system for a vehicle powered by the electric machine

#71
20220173687
2022-06-02

Motor driving apparatus and method

#72
20220131488
2022-04-28

Controller for AC rotary electric machine

#73
20220103102
2022-03-31

Controller for motor

#74
20220085741
2022-03-17

Common-mode voltage reduction of a SiC based dual T-type drive system

#75
20220038038
2022-02-03

Method for determining the magnetic flux of an electric machine

#76
20220014134
2022-01-13

Control method and control device for electric vehicle

#77
20220006404
2022-01-06

Memory motor winding multiplexing control method and system for flux linkage observation

#78
20210399664
2021-12-23

Double virtual voltage vectors predictive torque control method without weighting factor for five-phase permanent magnet synchronous motor

#79
20210367546
2021-11-25

POLARITY DETECTION FOR POWER CONVERSION

#80
20210364573
2021-11-25

Method and apparatus for real-time estimation of full parameters of permanent magnet synchronous motor

#81
20210351728
2021-11-11

Position observer for electrical machines

#82
20210305931
2021-09-30

AC rotating electric machine control device

#83
20210297027
2021-09-23

Control device and control method for induction motor

#84
20210135613
2021-05-06

Motor control system and method

#85
20210104967
2021-04-08

Motor control module, motor control device, motor control system, and motor control method

#86
20210091696
2021-03-25

Control system for motor

#87
20210067077
2021-03-04

Fault-tolerant direct thrust-force control method for five-phase permanent-magnet linear motor with one open-circuit phase fault

#88
20210044235
2021-02-11

METHOD FOR DETERMINING THE ANGULAR POSITION OF THE ROTOR OF AN INVERTER-FED SYNCHRONOUS MOTOR, AND AN APPARATUS FOR CARRYING OUT THE METHOD

#89
20210028732
2021-01-28

Motor drive system and control method

#90
20200395875
2020-12-17

Multigroup-multiphase rotary electrical machine control device and multigroup-multiphase rotary electrical machine drive device

#91
20200328708
2020-10-15

Polar method for electric motor software calibration considering inverter voltage loss

#92
20200321897
2020-10-08

Control system for a sensor-free electric motor

#93
20200313586
2020-10-01

METHOD OF CONTROLLING CURRENT IN AN INTERIOR PERMANENT MAGNET MOTOR WITH THERMAL ADAPTATION AND POWERTRAIN WITH SAME

#94
20200295692
2020-09-17

Motor controller, active short circuit thereof, and method for controlling active short via the same

#95
20200259441
2020-08-13

Monitoring device for a reluctance machine and method for monitoring

#96
20200169203
2020-05-28

Apparatus and method for detecting overload of BLDC motor

#97
20200144948
2020-05-07

Control device for permanent magnet type rotating electrical machine

#98
20200119676
2020-04-16

SYSTEM AND METHOD FOR CONTROLLING AN INDUCTION MOTOR

#99
20200106378
2020-04-02

Control device for power conversion device, and motor drive system

#100
20200106377
2020-04-02

Control device for power conversion device, control method, and motor drive system

#101
20200052632
2020-02-13

Operating an inverter for coupling an electric machine, designed for operation on AC voltage, with an AC voltage network

#102
20200036311
2020-01-30

Assessing wind turbine generator rotor temperature

#103
20200007058
2020-01-02

Controller for power convertor and motor driving system

#104
20200007055
2020-01-02

Starting method and apparatus for permanent magnet synchronous motor, power system, and unmanned aerial vehicle

#105
20190319564
2019-10-17

Method for determining the angular position of the rotor of an inverter-fed synchronous motor, and an apparatus for carrying out the method

#106
20190273457
2019-09-05

Control arrangment for a generator

#107
20190245468
2019-08-08

Rotary electric machine system, rotary electric machine system-installed vehicle, and method for manufacturing rotary electric machine system

#108
20190229665
2019-07-25

Control apparatus for alternating-current rotary electric machine

#109
20190229664
2019-07-25

Control apparatus for alternating-current rotary electric machine

#110
20190229663
2019-07-25

Control device for alternating current motor

#111
20190229662
2019-07-25

Method and apparatus for controlling an electric machine

#112
20190226537
2019-07-25

Control method of an electromagnetic brake with a controllable armature disc movement

#113
20190199253
2019-06-27

Inverter control apparatus and motor drive system

#114
20190173413
2019-06-06

MOTOR MODULE, MOTOR CONTROLLER, TEMPERATURE INFERRING DEVICE, AND TEMPERATURE INFERENCE METHOD

#115
20190123670
2019-04-25

Motor control device

#116
20190097560
2019-03-28

Controller for induction motor

#117
20190089281
2019-03-21

Active stabilization of DC link in motor drive systems

#118
20190074787
2019-03-07

Method for identifying magnetic saturation parameters of an asynchronous electric motor

#119
20190006971
2019-01-03

Controller for power converter

#120
20180219504
2018-08-02

Magnetization state control method and magnetization state control device

#121
20180219497
2018-08-02

Motor controller and a motor system

#122
20180212543
2018-07-26

Control device of induction motor

#123
20180191284
2018-07-05

Estimating rotor speed and rotor angle

#124
20180183367
2018-06-28

Starting method and apparatus for permanent magnet synchronous motor, power system, and unmanned aerial vehicle

#125
20180162348
2018-06-14

SYSTEM AND METHOD OF CONTROLLING MOTOR FOR VEHICLE

#126
20180159454
2018-06-07

Method and apparatus for operating an electric machine, electric machine

#127
20180152127
2018-05-31

Method of controlling dual inverter

#128
20180123493
2018-05-03

Motor control device

#129
20180115267
2018-04-26

Closed loop flux weakening for permanent magnet synchronous motors

#130
20180093757
2018-04-05

Aircraft control device, a corresponding aircraft, and a method of controlling an aircraft

#131
20180054144
2018-02-22

Method and device for damping voltage harmonics in a multilevel power converter

#132
20180019693
2018-01-18

Controller for permanent magnet synchronous motor, image forming apparatus, and control method

#133
20180016971
2018-01-18

Marine vessel operated with hybrid turbocharged internal combustion engine

#134
20180016970
2018-01-18

Marine vessel operated with hybrid turbocharged internal combustion engine

#135
20180013366
2018-01-11

Motor control apparatus, sheet conveying apparatus, document feeding apparatus, document reading apparatus, and image forming apparatus

#136
20170346353
2017-11-30

Permanent-magnet-type rotating electrical machine

#137
20170331404
2017-11-16

Control device and control method

#138
20170288587
2017-10-05

Method for controlling an asynchronous electrical motor

#139
20170250641
2017-08-31

Flux estimation for fault tolerant control of PMSM machines for EPS

#140
20170229989
2017-08-10

System and method for permanent magnet motor control

#141
20170229987
2017-08-10

System and method for permanent magnet motor control

#142
20170214351
2017-07-27

Control method for an electrically excited motor and inverter

#143
20170155349
2017-06-01

Apparatus and method for controlling permanent magnet motor

#144
20170126167
2017-05-04

Determination of permanent magnetic flux in an electric machine

#145
20170031331
2017-02-02

Motor control apparatus with magnetic flux controller and machine learning apparatus and method therefor

#146
20160356210
2016-12-08

Turbocharger and marine vessel

#147
20160329787
2016-11-10

Synchronous reluctance motor having radial-direction widths slit configuration on a q-axis for improved power factor

#148
20160261218
2016-09-08

Driving apparatus for electric motor

#149
20160254771
2016-09-01

Direct torque control of AC electric machines

#150
20160226414
2016-08-04

Method and system for controlling angular rotor speeds of sensorless induction motors

#151
20160226368
2016-08-04

Control method for electrical converter with LC filter

#152
20160218654
2016-07-28

Motor control system and method with flux linkage estimation error compensation

#153
20160218653
2016-07-28

Motor control system and method with adaptive flux linkage estimation

#154
20160218651
2016-07-28

Motor control system and method with predictive motor current estimation

#155
20160190967
2016-06-30

Motor controller

#156
20160190961
2016-06-30

Electric motor using multiple reference frames for flux angle

#157
20160111994
2016-04-21

Machine loss modeling for improved field oriented control accuracy

#158
20160079901
2016-03-17

Four quadrant voltage limiter for rotor flux oriented machine control

#159
20160065109
2016-03-03

POSITION ESTIMATION DEVICE, MOTOR DRIVE CONTROL DEVICE, POSITION ESTIMATION METHOD AND RECORDING MEDIUM

#160
20160056738
2016-02-25

Apparatus and method for compensating for torque for current order of driving motor

#161
20160036364
2016-02-04

Motor control device, and method and device for estimating magnetic flux of electric motor

#162
20150381092
2015-12-31

Controller for power converter

#163
20150372630
2015-12-24

Fan motor drive device and blower device

#164
20150372628
2015-12-24

Induction motor control apparatus and induction motor control method

#165
20150372627
2015-12-24

Apparatus and method for controlling temperature change in motor

#166
20150365032
2015-12-17

Motor control device and motor control method

#167
20150357955
2015-12-10

Magnet degradation and damage controls and diagnostics for permanent magnet motors

#168
20150357954
2015-12-10

Apparatus and method for minimizing influence of temperature change in motor

#169
20150326162
2015-11-12

Apparatus for controlling induction machine

#170
20150311847
2015-10-29

Rotation angle estimation module for sensorless vector control of PMSM

#171
20150311846
2015-10-29

Primary magnetic flux control method

#172
20150295530
2015-10-15

Apparatus for driving interior permanent magnet synchronous motor and method of controlling the apparatus

#173
20150229258
2015-08-13

Electric motor controller

#174
20150222215
2015-08-06

Drive unit of synchronous motor

#175
20150194919
2015-07-09

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

#176
20150180398
2015-06-25

Induction motor flux and torque control

#177
20150180396
2015-06-25

Method for open-loop and closed-loop control of an electromagnetic machine

#178
20150155773
2015-06-04

Apparatus and method for controlling inverter by measuring each phase current

#179
20150137720
2015-05-21

Synchronous machine control device

#180
20150137648
2015-05-21

Variable magnetomotive force rotary electric machine and control device for variable magnetomotive force rotary electric machine

#181
20150091483
2015-04-02

Electric motor control device

#182
20150032423
2015-01-29

Induction motor flux and torque control with rotor flux estimation

#183
20150028782
2015-01-29

Traction motor retarding flux reference

#184
20140368135
2014-12-18

Control device for alternating current rotary machine

#185
20140346991
2014-11-27

Method and system of internal temperatures determination in a synchronous electrical machine using state observers

#186
20140340010
2014-11-20

Synchronous machine control apparatus

#187
20140333240
2014-11-13

Synchronous machine controller

#188
20140252768
2014-09-11

Method of controlling a wind turbine generator and apparatus for controlling electric power generated by a wind turbine generator

#189
20140232306
2014-08-21

Magnet flux amount estimation device, synchronous motor driving device, and electric motor car

#190
20140145655
2014-05-29

Self-commissioning procedure for inductance estimation in an electrical machine

#191
20140111125
2014-04-24

Traction motor retarding flux reference

#192
20130342142
2013-12-26

System and method for permanent magnet motor control

#193
20130265013
2013-10-10

Permanent magnet generator inductance profile identification

#194
20130249448
2013-09-26

Synchronous machine control apparatus

#195
20130193886
2013-08-01

Sensorless control apparatuses of motors and control methods thereof

#196
20130113398
2013-05-09

Control apparatus for AC rotary machine

#197
20130107586
2013-05-02

System for improved wind turbine generator performance

#198
20130095978
2013-04-18

Training apparatus, arrangement and method

#199
20130088179
2013-04-11

Synchronous machine control apparatus

#200
20120217747
2012-08-30

Method of controlling a wind turbine generator and apparatus for controlling electric power generated by a wind turbine generator

#201
20120212169
2012-08-23

Method and system controlling an electrical motor with temperature compensation

#202
20120212165
2012-08-23

Method and apparatus for estimating rotor angle and rotor speed of synchronous reluctance motor at start-up

#203
20120146559
2012-06-14

Estimation of actual torque in an electrical motor drive

#204
20120091941
2012-04-19

Flux controller for induction motor

#205
20120074879
2012-03-29

Methods and apparatuses for fault management in permanent magnet synchronous machines using the field reconstruction method

#206
20120068653
2012-03-22

Method and system for determining deterioration of permanent magnets of electric apparatus

#207
20120068640
2012-03-22

Flux offset compensation for a rotating electrical machine

#208
20120007528
2012-01-12

AC motor control device and AC motor driving system

#209
20110204831
2011-08-25

Drive device for alternating current motor and electric motor vehicle

#210
20110163709
2011-07-07

Induction motor control systems and methods

#211
20110140646
2011-06-16

Methods and systems for induction machine control

#212
20110068724
2011-03-24

Sensorless lost/found rotor detection for permanent magnet motors

#213
20110031907
2011-02-10

Control apparatus for electric rotating machine

#214
20100194329
2010-08-05

System and method for determining stator winding resistance in an AC motor using motor drives

#215
20100079103
2010-04-01

Alternating-current motor control apparatus

#216
20090255740
2009-10-15

Voltage estimation feedback of overmodulated signal for an electrical vehicle

#217
20090251083
2009-10-08

Control apparatus for AC rotary machine

#218
20090224721
2009-09-10

Varying flux versus torque for maximum efficiency

#219
20090140676
2009-06-04

Method and system for sensorless control of an electric motor

#220
20090030645
2009-01-29

System for estimation of position and speed in a permanent magnet rotor of an electrical motor

#221
20090026988
2009-01-29

Motor control device

#222
20090021195
2009-01-22

Motor control device and motor drive system

#223
20080303475
2008-12-11

Method and system for torque control in permanent magnet machines

#224
20080297097
2008-12-04

Motor driver system and method for controlling motor driver

#225
20080278101
2008-11-13

Control systems and methods for permanent magnet rotating machines

#226
20080150470
2008-06-26

Controller for synchronous machine

#227
20080001570
2008-01-03

Method for controlling a wound rotor synchronous motor

#228
20070257626
2007-11-08

Apparatus for controlling high speed operation of motor and method thereof

#229
20070236166
2007-10-11

Controller for synchronous machine

#230
20070216337
2007-09-20

Motor speed estimation system and method using hybrid model reference adaptive system

#231
20070170880
2007-07-26

Control systems and methods for starting permanent magnet rotating machines

#232
20070069682
2007-03-29

Control device for synchronous motor

#233
20070018606
2007-01-25

Method and device for sensorless vector control for AC motor

#234
20060290304
2006-12-28

Control systems and methods for permanent magnet rotating machines

#235
20060202481
2006-09-14

Controller for synchronous machine

#236
20060193090
2006-08-31

Synchronous motor startup lock detection circuit and method

#237
20060091847
2006-05-04

Method in connection with permanent magnet synchronous machines

#238
20060006835
2006-01-12

Method for determining rotor flux vector of AC electrical machine

#239
20050146306
2005-07-07

Sensorless controller of AC motor and control method

#240
20050029983
2005-02-10

Rotor resistance adaptation for indirect field oriented control of induction machine

#241
20050001583
2005-01-06

Method in connection with sensorless induction motors

#242
17360946
2023-02-14

Sensor less magnet temperature estimation in permanent magnet machines

#243
17031359
2022-02-01

Iterative flux identification

#244
15947540
2020-05-26

System to control a rotary electric machine

#245
15865419
2019-02-26

System and method for speed sensorless motor drives