ClassID:

218352

H02P21/0003 - CPC Classification

Classification description:

Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation Control strategies in general, e.g. linear type, e.g. P, PI, PID, using robust control

Sub-classes:
Recent Application in this class:
#1
20260155766
2026-06-04

SYSTEMS AND METHODS FOR SENSORLESS CONTROL OF A MOTOR

#2
20260142597
2026-05-21

MOTOR STARTING METHOD AND MOTOR STARTING CIRCUIT

#3
20260081551
2026-03-19

METHODS AND APPARATUS TO SENSE A STATE OF ISOLATION IN GATE DRIVER CIRCUITRY

#4
20260058582
2026-02-26

MOTOR CONTROL

#5
20260045898
2026-02-12

SYSTEMS, APPARATUSES, METHODS, AND COMPUTER PROGRAM PRODUCTS FOR DETECTING UNBALANCE PHASE AND PHASE LOSS FAULT FOR MOTOR CONTROL

#6
20260031750
2026-01-29

MOTOR STARTING CONTROL METHOD, DEVICE AND SYSTEM

#7
20260012110
2026-01-08

METHOD AND SYSTEM FOR SINKING ELECTRICAL ENERGY FROM A MOTOR

#8
20250364927
2025-11-27

METHODS, SYSTEMS, APPARATUSES FOR COMPRESSOR TORQUE RIPPLE COMPENSATION

#9
20250211146
2025-06-26

METHOD OF DETERMINING A MAXIMUM OPERATING SPEED OF AN ELECTRIC MOTOR

#10
20250202393
2025-06-19

ENHANCED DISTURBANCE REJECTION WITH NOISE IMMUNITY IN A CURRENT CONTROLLED ALTERNATING CURRENT MACHINE WITH USE OF CURRENT OBSERVER

#11
20250183836
2025-06-05

SYSTEMS, APPARATUSES, METHODS, AND COMPUTER PROGRAM PRODUCTS FOR DETECTING UNBALANCE PHASE AND PHASE LOSS FAULT FOR MOTOR CONTROL

#12
20250155505
2025-05-15

MOTOR FAILURE DIAGNOSIS SYSTEM AND MOTOR FAILURE DIAGNOSIS METHOD

#13
20250147563
2025-05-08

POWER CONVERSION DEVICE

#14
20250147083
2025-05-08

ELECTRICAL MACHINE IDENTIFICATION

#15
20250141381
2025-05-01

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

#16
20250030363
2025-01-23

MOTOR CONTROL UNIT AND MOTOR DEVICE

#17
20240313686
2024-09-19

Method and system for controlling common mode electric current in an electric machine

#18
20240291411
2024-08-29

MOTOR DRIVE CONTROL DEVICE AND MOTOR UNIT

#19
20240275316
2024-08-15

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

#20
20240154549
2024-05-09

BRUSHLESS PERMANENT MAGNET MOTOR

#21
20240128821
2024-04-18

Current regulators for dual wound synchronous motor drives

#22
20240120865
2024-04-11

Drive system and control method

#23
20240063737
2024-02-22

Control structures for parallel motor drive control architectures

#24
20240030849
2024-01-25

State Estimation for Controlling a Drive Machine Without Sensors

#25
20230412098
2023-12-21

EFFICIENCY OPTIMIZATION CONTROL METHOD AND SYSTEM FOR PERMANENT MAGNET SYNCHRONOUS MOTOR

#26
20230361704
2023-11-09

ADJUSTABLE PHASE ADVANCE FOR PM MOTOR CONTROL

#27
20230223877
2023-07-13

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

#28
20230208230
2023-06-29

Current regulators for dual wound synchronous motor drives

#29
20230188066
2023-06-15

Predictive deadbeat control of motor phase currents with model mismatch compensation and adjustable control dynamics

#30
20230163704
2023-05-25

Control method for balancing scaling errors of multiple current sensors for PMSM

#31
20230155530
2023-05-18

Motor control unit and motor device

#32
20230066163
2023-03-02

Method and device for determining a position of a rotor of a three-phase motor

#33
20230050472
2023-02-16

Device for estimating the temperature of a stator coil of a magnetic bearing, associated magnetic suspension system and method for estimating the temperature of a stator coil

#34
20230006576
2023-01-05

Automatic transition of motor controller from open-loop control to closed-loop control

#35
20220399843
2022-12-15

Motor control device

#36
20220399841
2022-12-15

Permanent magnet electric machine control

#37
20220329186
2022-10-13

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

#38
20220302861
2022-09-22

Control structures for parallel motor drive control architectures

#39
20220231624
2022-07-21

Motor drive optimization system and method

#40
20220190762
2022-06-16

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

#41
20220158569
2022-05-19

Inverter control device and method

#42
20220103104
2022-03-31

Systems and methods for controlling inducer motor speed

#43
20220006404
2022-01-06

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

#44
20210265933
2021-08-26

Semiconductor device and motor control system

#45
20210175829
2021-06-10

Motor control method and device, and frequency conversion controller

#46
20210175827
2021-06-10

Electric motor control method and electric motor control device

#47
20210159826
2021-05-27

Method and apparatus for controlling operation of a rotary electric machine

#48
20210119563
2021-04-22

Method for controlling a generator of a wind turbine

#49
20210013818
2021-01-14

DQ0 and inverse DQ0 transformation for three-phase inverter, motor and drive design

#50
20200370400
2020-11-26

Method and system for controlling downhole pumping systems

#51
20200328709
2020-10-15

Model predictive control for matrix converter operating in current control mode with load current estimation

#52
20200321897
2020-10-08

Control system for a sensor-free electric motor

#53
20200256315
2020-08-13

Harmonic control of a converter

#54
20200127588
2020-04-23

SYMMETRIC CONTROL OF AN ASYMMETRIC AC MOTOR VIA A FLUX REGULATOR OPERATING BASED ON A TARGETED TIME CONSTANT VERSUS SAMPLING PERIOD RATIO

#55
20200052632
2020-02-13

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

#56
20200014318
2020-01-09

Electric machine noise attenuation

#57
20190393824
2019-12-26

Motor drive system, and method of controlling motor drive system

#58
20190389505
2019-12-26

Current regulators for permanent magnet DC machines

#59
20190386594
2019-12-19

MOTOR CONTROL APPARATUS DRIVING ONE MAIN AXIS SWITCHINGLY BY TWO MOTORS

#60
20190386593
2019-12-19

Passive virtual synchronous machine with bounded frequency and virtual flux

#61
20190351770
2019-11-21

Methods and systems for controlling a DC bus voltage from a three-phase voltage source

#62
20190334463
2019-10-31

Electric motor current controller with negative sequence harmonic suppression

#63
20190334462
2019-10-31

Electric motor current controller with negative sequence harmonic suppression

#64
20190319566
2019-10-17

Motor control apparatus and method of controlling the same

#65
20190319565
2019-10-17

Motor control apparatus and method of controlling the same

#66
20190305555
2019-10-03

Power grid adjustment method based on loads of variable frequency air conditioner

#67
20190256129
2019-08-22

Rotary electric machine control device, and electric power steering device using the same

#68
20190245467
2019-08-08

Method for correcting compensation item of permanent magnet synchronous motor (PMSM)

#69
20190181788
2019-06-13

Method for estimating the position and speed of the rotor of an alternating current machine for a motor vehicle, and corresponding system

#70
20190173405
2019-06-06

Method for customising the operation of an alternator regulator

#71
20190158004
2019-05-23

Torque ripple compensation with feedforward control in motor control systems

#72
20190149076
2019-05-16

Motor control device

#73
20190140572
2019-05-09

Motor vector control method and device, and aircraft

#74
20190109555
2019-04-11

Motor control device

#75
20190097559
2019-03-28

POWER CONVERSION DEVICE, MOTOR DRIVE DEVICE, AND REFRIGERATOR USING SAME

#76
20190044466
2019-02-07

Motor control device and motor control method

#77
20190020299
2019-01-17

Method and system for controlling a motor

#78
20180287538
2018-10-04

Control apparatus for multi-phase rotating electric machine

#79
20180269776
2018-09-20

Pi source inverter-converter for hybrid electric vehicles

#80
20180254730
2018-09-06

Driving device

#81
20180254728
2018-09-06

Systems and methods for controlling a permanent magnet synchronous motor

#82
20180248504
2018-08-30

BRUSH-LESS DC MOTOR CONTROL DEVICE, SYSTEM AND METHOD

#83
20180241334
2018-08-23

Motor control unit and electric power steering apparatus equipped with the same

#84
20180178828
2018-06-28

Electric power steering apparatus

#85
20180057047
2018-03-01

Steering control device

#86
20180026556
2018-01-25

MOTOR SYSTEM WITH A CHANGEABLE POWER CAPACITY

#87
20170366101
2017-12-21

Power conversion apparatus

#88
20170302206
2017-10-19

Three-phase neutral-point-clamped power conversion device

#89
20170163188
2017-06-08

Method and device for operating an electric machine

#90
20170126160
2017-05-04

Systems and methods for controlling a permanent magnet synchronous motor

#91
20170110992
2017-04-20

Motor control system and method for compensating disturbance

#92
20170104430
2017-04-13

Asynchronous state estimation and control in a field-oriented control architecture

#93
20170063277
2017-03-02

Control of electrically excited synchronous machine drives for ride through and controlled braking operations

#94
20170040922
2017-02-09

Apparatus for controlling alternating-current rotary electric machines

#95
20170005601
2017-01-05

FAN DETECTION AND CONTROL CIRCUIT AND ELECTRONIC DEVICE HAVING THE SAME

#96
20170005600
2017-01-05

Rotating electric machine control device

#97
20160380565
2016-12-29

Motor drive circuit and motor thereof

#98
20160352276
2016-12-01

Motor control anti-windup and voltage saturation design for electric power steering

#99
20160329787
2016-11-10

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

#100
20160315566
2016-10-27

Multi-phase machine current control

#101
20160254771
2016-09-01

Direct torque control of AC electric machines

#102
20160233807
2016-08-11

Method and system for estimating differential inductances in an electric machine

#103
20160204727
2016-07-14

Controller and control method for rotary electric machine

#104
20160181959
2016-06-23

Control system using flux feedback

#105
20160173013
2016-06-16

Apparatus and method for controlling electric vehicle

#106
20160156293
2016-06-02

Method of operating a drive device and corresponding drive device

#107
20160149522
2016-05-26

MOTOR SYSTEM WITH A CHANGEABLE POWER CAPACITY AND CONTROL METHOD THEREOF

#108
20160141992
2016-05-19

Linear Drive with cross-controller vibration damping

#109
20160141990
2016-05-19

Method and device for operating an electronically commutated servo motor and position control unit having a servo motor

#110
20160111993
2016-04-21

Method for controlling a synchronous electrical machine, corresponding system and motor vehicle comprising the system

#111
20160111991
2016-04-21

Motor control device

#112
20160072424
2016-03-10

Control device of alternating-current electric motor

#113
20160065108
2016-03-03

Electric motor current controller with negative sequence harmonic suppression

#114
20160043678
2016-02-11

Motor current mapping

#115
20160043669
2016-02-11

Motor controller

#116
20160028339
2016-01-28

Apparatus for controlling rotary machine

#117
20160006329
2016-01-07

Method and device for torque generation based on electromagnetic effect

#118
20150270796
2015-09-24

Motor control device and motor drive device

#119
20150229261
2015-08-13

Method and an apparatus for controlling an electrical machine with two or more multiphase stator windings

#120
20150229258
2015-08-13

Electric motor controller

#121
20150194901
2015-07-09

Position sensorless open loop control for motor drives with output filter and transformer

#122
20150188472
2015-07-02

Method for controlling a synchronous reluctance electric motor

#123
20150123579
2015-05-07

Method and apparatus for controlling power converter with inverter output filter

#124
20150115858
2015-04-30

Apparatus for compensating phase error in inverter output voltage

#125
20150115850
2015-04-30

Variable torque angle for electric motor

#126
20150002059
2015-01-01

Method and apparatus for stability control of open loop motor drive operation

#127
20140312812
2014-10-23

Electric motor control device

#128
20140312811
2014-10-23

Position sensorless open loop control for motor drives with output filter and transformer

#129
20140265952
2014-09-18

Automated motor control

#130
20140229051
2014-08-14

Method and device for controlling a powertrain

#131
20140197774
2014-07-17

Method and apparatus for controlling power converter with inverter output filter

#132
20140139155
2014-05-22

METHOD AND DEVICE FOR CONTROLLING A RELUCTANCE ELECTRIC MACHINE

#133
20140132196
2014-05-15

Method and device for controlling an electric motor propulsion unit with decoupled controls

#134
20140125261
2014-05-08

Controller of AC motor

#135
20140018991
2014-01-16

Control apparatus for electric motor, electrically-powered vehicle including the control apparatus, and method for controlling electric motor

#136
20140009093
2014-01-09

Controller for multiple-phase rotating machine

#137
20130314021
2013-11-28

Rotary electric machine driving system

#138
20130229137
2013-09-05

Position control device for electric motor

#139
20130221885
2013-08-29

Sensorless AC motor controller

#140
20130218417
2013-08-22

Electric power steering apparatus

#141
20130175970
2013-07-11

Current control gain adjusting method for PM motor, current control method, and control device

#142
20130147417
2013-06-13

System and method for controlling motor of electric vehicle

#143
20130141023
2013-06-06

Motor controlling apparatus

#144
20130119904
2013-05-16

Method and system for controlling motor

#145
20130104386
2013-05-02

Method for the automatic adjustment of a resolver of an electric machine

#146
20130063057
2013-03-14

Control system for a rotary machine

#147
20130063056
2013-03-14

Control system for a rotary machiine

#148
20130038256
2013-02-14

Rotary machine control apparatus

#149
20130033205
2013-02-07

Power Conversion Device

#150
20120293095
2012-11-22

Control unit of rotary device

#151
20120292904
2012-11-22

Method for emulation of synchronous machine

#152
20120217923
2012-08-30

System for controlling a motor

#153
20120217916
2012-08-30

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

#154
20120201056
2012-08-09

Power converter with common mode voltage reduction

#155
20120169268
2012-07-05

System and method for controlling torque of induction motor in electric vehicle

#156
20120145472
2012-06-14

Electric power steering device

#157
20120001581
2012-01-05

Control apparatus and control method for AC electric motor

#158
20120001573
2012-01-05

Controller for AC rotary machine

#159
20110316463
2011-12-29

Current source inverter device

#160
20110291601
2011-12-01

Control apparatus for electric rotating machine

#161
20110273125
2011-11-10

Controller for AC electric motor and electric powered vehicle

#162
20110241579
2011-10-06

Controller for AC rotary machine and controller for electric power steering

#163
20110234147
2011-09-29

CONTROLLER FOR SPINDLE WITH ENCODER

#164
20110227515
2011-09-22

Control apparatus for electric rotating machine

#165
20110221382
2011-09-15

MOTOR CONTROL METHOD AND APPARATUS AND ELECTRIC POWER STEERING SYSTEM

#166
20110210687
2011-09-01

Control apparatus for electric rotating machine

#167
20110187301
2011-08-04

Dual source automotive propulsion system and method of operation

#168
20110169441
2011-07-14

Synchronous control apparatus

#169
20110169438
2011-07-14

Method and system for controlling an electric motor using zero current offset value cancellation

#170
20110148336
2011-06-23

MOTOR CONTROL DEVICE AND METHOD FOR CONTROLLING BRUSHLESS MOTOR

#171
20110098888
2011-04-28

Motor control device and vehicle-steering device comprising same

#172
20110080126
2011-04-07

Motor drive device

#173
20110080125
2011-04-07

Control device for electric motor drive apparatus

#174
20110050137
2011-03-03

Apparatus for carrying out improved control of rotary machine

#175
20110043150
2011-02-24

Inverter control device and power conversion device

#176
20110038192
2011-02-17

CONVERTER CONTROL METHOD

#177
20110031910
2011-02-10

Control apparatus for electric rotating machine

#178
20110031909
2011-02-10

Motor drive apparatus and motor drive method

#179
20110006598
2011-01-13

Control device and control method for vehicle

#180
20110001441
2011-01-06

Motor control unit and vehicle steering apparatus

#181
20100327798
2010-12-30

Applying a control unit to an asynchronous machine which is operated without a rotary encoder

#182
20100301788
2010-12-02

Control device for electric motor drive device

#183
20100264859
2010-10-21

Control apparatus and control method for AC motor

#184
20100148713
2010-06-17

Motor speed controller

#185
20100117586
2010-05-13

Phase current estimation apparatus for motor and magnetic pole position estimation apparatus for motor

#186
20100109583
2010-05-06

Inverter control device and AC motor control device using this inverter control device

#187
20100072927
2010-03-25

Rotary electric machine control system

#188
20100072926
2010-03-25

Rotary electric machine control system

#189
20100072925
2010-03-25

Rotary electric machine control system

#190
20090309526
2009-12-17

Control circuit with dual programmable feedback loops for BLDC motors

#191
20090284195
2009-11-19

Gain adjustment to improve torque linearity in a field weakening region

#192
20090284189
2009-11-19

REGULATOR AND METHOD FOR REGULATING A CONTINUOUSLY VARIABLE ELECTRICAL GEARBOX

#193
20090273308
2009-11-05

Position sensorless control of permanent magnet motor

#194
20090237961
2009-09-24

Inverter

#195
20090230909
2009-09-17

Redundant DC bus discharge for an electric motor system

#196
20090187326
2009-07-23

Electric motor for fuel pump with improved shutdown features

#197
20090160381
2009-06-25

Apparatus for controlling torque of electric rotating machine

#198
20090134834
2009-05-28

Motor control device

#199
20090091280
2009-04-09

Stochastic anti-windup proportional-integral (PI) controller

#200
20090058335
2009-03-05

Control system for bearingless motor-generator

#201
20080315816
2008-12-25

Motor control device and compressor

#202
20080303476
2008-12-11

Electric motor control device

#203
20080290827
2008-11-27

Motor control apparatus and motor control method

#204
20080265809
2008-10-30

Field weakening control apparatus for permanent magnet motor and electric power steering using same

#205
20080246429
2008-10-09

Controller of electric motor

#206
20080246363
2008-10-09

Controller of electric motor

#207
20080167779
2008-07-10

Motor controller and electric power steering system

#208
20080088291
2008-04-17

Electric power converter suppressing output voltage variation due to input voltage fluctuation

#209
20080036415
2008-02-14

Controller for motor

#210
20070241703
2007-10-18

Control system for multiphase rotary electric machines

#211
20060082335
2006-04-20

Method for detecting rotor angle of DC brushless motor and controller of DC brushless motor

#212
18763985
2025-02-25

Dead-time compensation method and apparatus for permanent magnet synchronous motor, device, and storage medium

#213
17134801
2022-03-22

Voltage rotator for high switching frequency PWM inverter

#214
16398961
2020-08-25

Counter electromotive force estimation

#215
16112088
2019-01-22

Inverter control device