ClassID:

218409

H02P23/04 - CPC Classification

Classification description:

Arrangements or methods for the control of AC motors characterised by a control method other than vector control specially adapted for damping motor oscillations, e.g. for reducing hunting

Recent Application in this class:
#1
20260100664
2026-04-09

6-STEP/LINEAR MODULATION HYBRID CONTROL METHOD

#2
20260095117
2026-04-02

VARIABLE FREQUENCY DRIVE SYSTEM WITH MEDIUM VOLTAGE INPUT AND LOW VOLTAGE OUTPUT

#3
20260088747
2026-03-26

MOTOR CONTROL DEVICE

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20260088742
2026-03-26

METHOD AND SYSTEM FOR CONTROLLING THE VIBRATION OF A VARIABLE CAPACITY COMPRESSOR OF A REFRIGERATION SYSTEM

#5
20260066831
2026-03-05

METHOD FOR MEASURING A DAMPING FUNCTION

#6
20260045896
2026-02-12

AC MOTOR CONTROL DEVICE, ELECTRIC VEHICLE, AND AC MOTOR CONTROL METHOD

#7
20260012119
2026-01-08

VARIABLE SWITCHING FREQUENCY

#8
20250392242
2025-12-25

MOTOR CONTROL UNIT, MOTOR, AND PUMP DEVICE

#9
20250388258
2025-12-25

APPARATUS FOR REDUCING VIBRATION OF ELECTRIC POWER STEERING SYSTEM

#10
20250385630
2025-12-18

MOTOR CONTROL DEVICE

#11
20250350224
2025-11-13

DRIVE SYSTEM FOR AN ACTUATOR

#12
20250345901
2025-11-13

FASTENING TOOL

#13
20250229647
2025-07-17

Method for Controlling an Electric Motor of a Battery-Operated Electric Vehicle, Battery-Operated Electric Vehicle and a Control Device for a Battery-Operated Electric Vehicle

#14
20250211151
2025-06-26

MITIGATION OF VEHICLE VIBRATIONS INDUCED BY DRIVE-LINE OSCILLATIONS

#15
20250202398
2025-06-19

VEHICLE CONTROL METHOD AND APPARATUS, VEHICLE, AND STORAGE MEDIUM

#16
20250192713
2025-06-12

MOTOR CONTROL DEVICE AND MOTOR CONTROL METHOD

#17
20250162463
2025-05-22

METHOD AND APPARATUS FOR INHIBITING VEHICLE VIBRATION DURING SELF-HEATING PROCESS OF BATTERY, AND AUTOMOBILE

#18
20250141383
2025-05-01

MOTOR CONTROLLER

#19
20250132711
2025-04-24

EXCITATION WAVEFORM DETERMINATION DEVICE, MOTOR DRIVE DEVICE, EXCITATION WAVEFORM DETERMINATION METHOD, MOTOR DRIVE METHOD, AND PROGRAM

#20
20250083736
2025-03-13

MOTOR CONTROL DEVICE

#21
20250080024
2025-03-06

CONTROL SYSTEMS AND METHODS FOR MITIGATING MOTOR START-UP INSTABILITIES IN LIGHTLY LOADED CONDITIONS NEAR SYNCHRONOUS SPEED

#22
20240405710
2024-12-05

POWER CONVERTER, MOTOR DRIVE APPARATUS, AND REFRIGERATION CYCLE APPLIED APPARATUS

#23
20240405704
2024-12-05

METHOD OF REDUCING VIBRATIONS IN AN ELECTRIC MOTOR

#24
20240396486
2024-11-28

POWER CONVERSION APPARATUS, MOTOR DRIVE APPARATUS, AND REFRIGERATION CYCLE APPLICATION APPARATUS

#25
20240372489
2024-11-07

PULSED ELECTRIC MACHINE CONTROL WITH NOTCHED FILTER

#26
20240333184
2024-10-03

Method of Reducing Mechanical Vibrations of a Motor System

#27
20240258948
2024-08-01

METHOD FOR OPERATING A DRIVE SYSTEM, AND DRIVE SYSTEM FOR CARRYING OUT A METHOD

#28
20240250626
2024-07-25

MAGNETIC GEAR EMBEDDED ROTATING ELECTRIC MACHINE CONTROL DEVICE

#29
20240227776
2024-07-11

CONTROL APPARATUS

#30
20240186930
2024-06-06

VARIBALE FREQUENCY DRIVE SYSTEM WITH MEDIUM VOLTAGE INPUT AND LOW VOLTAGE OUTPUT

#31
20240171104
2024-05-23

METHOD FOR CONTROLLING A MOTOR, AN ACCORDINGLY CONTROLLED MOTOR AND A COMPRESSOR SYSTEM HAVING SUCH A MOTOR

#32
20240154560
2024-05-09

POWER CONVERSION DEVICE AND MOTOR MODULE

#33
20240132049
2024-04-25

CONTROL APPARATUS

#34
20240102465
2024-03-28

CONTROL DEVICE, ELECTRIC COMPRESSOR, CONTROL METHOD, AND PROGRAM

#35
20240072704
2024-02-29

Motor control device

#36
20240014759
2024-01-11

CONTROL DEVICE, POWER CONVERSION APPARATUS, MOTOR DRIVE UNIT, AND APPLIED REFRIGERATION CYCLE APPARATUS

#37
20240014758
2024-01-11

POWER CONVERSION DEVICE

#38
20230318501
2023-10-05

Vehicle system vibration suppression control device and vibration suppression control method

#39
20230228266
2023-07-20

FLUID PRESSURE UNIT

#40
20230198441
2023-06-22

Method for operating rotating machinery by means of a variable speed drive and variable speed drive for performing the method

#41
20230083556
2023-03-16

FASTENING TOOL

#42
20230082435
2023-03-16

FASTENING TOOL

#43
20230078681
2023-03-16

Fastening tool

#44
20230074727
2023-03-09

Resonance suppression control device

#45
20230071273
2023-03-09

Method for operating a motor vehicle, and the motor vehicle

#46
20230066812
2023-03-02

Motor control device

#47
20230050448
2023-02-16

Wind turbine with virtual synchronous generator with damping control

#48
20230029626
2023-02-02

System and method for damping of mechanical oscillaton of a rotor of an electric machine in a vehicle

#49
20230006589
2023-01-05

Method and device for calibrating a controller of an electric machine

#50
20220321043
2022-10-06

Motor control device and automatic adjustment method for same

#51
20220294378
2022-09-15

MOTOR CONTROL DEVICE AND MOTOR CONTROL METHOD

#52
20220266700
2022-08-25

DAMPING CONTROL DEVICE AND DAMPING CONTROL METHOD

#53
20220182001
2022-06-09

Systems and methods for non-rigid load vibration control

#54
20220158578
2022-05-19

Control device

#55
20220131490
2022-04-28

Bandwidth-partitioning harmonic regulation for improved acoustic behavior of an electric drive system

#56
20220112904
2022-04-14

Vibration/noise reduction device, electric compressor including the vibration/noise reduction device, and vibration/noise reduction method

#57
20220094290
2022-03-24

PULSED ELECTRIC MACHINE CONTROL

#58
20220029574
2022-01-27

Noise remover of PWM motor without frequency control filter

#59
20210359625
2021-11-18

Motor control system, encoder, and servo motor

#60
20210351733
2021-11-11

PULSED ELECTRIC MACHINE CONTROL

#61
20210265935
2021-08-26

Electric motor controlling system and vibration suppression method for using the same

#62
20210257957
2021-08-19

HYBRID ACTIVE HARMONIC FILTER FOR HIGH CURRENT DRIVES

#63
20210218356
2021-07-15

Torsional mode damping controller

#64
20210194402
2021-06-24

Electric motor control device

#65
20210146991
2021-05-20

Control device for AC rotary machine and control device for electric power steering

#66
20210131241
2021-05-06

Measurement guided oscillation detection for motor protection

#67
20210104969
2021-04-08

Damper for power train

#68
20210091697
2021-03-25

System and method for sinusoidal output and integrated EMC filtering in a motor drive

#69
20210083611
2021-03-18

Systems and methods for non-rigid load vibration control

#70
20210013819
2021-01-14

System and method for driving a motor to rotate at a high speed

#71
20200406958
2020-12-31

Motor control system and power steering system

#72
20200406957
2020-12-31

Motor control system and power steering system

#73
20200384867
2020-12-10

Damping control device for electric vehicle

#74
20200350809
2020-11-05

Method for controlling a synchronous double stator electric machine

#75
20200343845
2020-10-29

Method for reducing noise of a switched reluctance motor based on adjusting a PWM carrier frequency

#76
20200336093
2020-10-22

Adaptive torque disturbance cancellation for electric motors

#77
20200313594
2020-10-01

Control device

#78
20200308754
2020-10-01

Drain pump driving apparatus and laundry treatment machine including the same

#79
20200304050
2020-09-24

Motor drive system

#80
20200244207
2020-07-30

Motor drive control device and motor drive control method

#81
20200244195
2020-07-30

MOTOR CONTROL DEVICE AND MOTOR SYSTEM

#82
20200169206
2020-05-28

Method for operating an electric machine, device, drive device, and motor vehicle

#83
20200162005
2020-05-21

PARTIAL-LOAD PHASE DEACTIVATION OF POLYPHASE ELECTRIC MACHINE

#84
20200119679
2020-04-16

Pi source inverter-converter for hybrid electric vehicles

#85
20200119678
2020-04-16

Inverter control device

#86
20200099326
2020-03-26

REGULATING DEVICE FOR AN ELECTRIC MACHINE, ELECTRIC DRIVE SYSTEM, AND METHOD FOR REGULATING AN ELECTRIC MACHINE

#87
20200083834
2020-03-12

Electric motor control device and electric motor control method

#88
20200039502
2020-02-06

Torque controller and drive system

#89
20190368500
2019-12-05

Compressor surge control

#90
20190329370
2019-10-31

Motor controller and machine tool

#91
20190299934
2019-10-03

Wiper control device

#92
20190248248
2019-08-15

Controller of electrically powered vehicle

#93
20190222160
2019-07-18

Control method and control device for rotary electric motor, and rotary electric motor drive system

#94
20190207549
2019-07-04

Motor control device and motor control method

#95
20190190426
2019-06-20

METHOD AND DEVICE FOR REDUCING MECHANICAL LOADS IN A POWERTRAIN

#96
20190131902
2019-05-02

Vibration control method and system

#97
20190128324
2019-05-02

Resonance vibration control method and system

#98
20190123672
2019-04-25

Motor control apparatus

#99
20190109519
2019-04-11

Method and a device for determination of a torsional deflection of a rotation shaft and of a DC-link degradation in the electromechanical drivetrain

#100
20190089281
2019-03-21

Active stabilization of DC link in motor drive systems

#101
20190058429
2019-02-21

Active damping of synchronous grid oscillations using partial power converter

#102
20190001839
2019-01-03

Motor drive device

#103
20180375455
2018-12-27

Power converter control device

#104
20180361573
2018-12-20

Anti-shake method of robot and robot thereof

#105
20180262143
2018-09-13

System and method of single parameter ratiometric tuning for motor drives

#106
20180138847
2018-05-17

Motor drive control device and motor drive control method

#107
20180080443
2018-03-22

Control system and method of a VFD-based pump and pump system

#108
20180041155
2018-02-08

Active damping of synchronous grid oscillations using partial power converter

#109
20170338717
2017-11-23

Arrangement and method for force compensation in electrical machines

#110
20170302208
2017-10-19

Drain pump driving apparatus and laundry treatment machine including the same

#111
20170279394
2017-09-28

Motor control apparatus and electric power steering apparatus using the same

#112
20170217332
2017-08-03

Control apparatus for rotary electric machines

#113
20170207740
2017-07-20

Inverter drives having a controlled power output

#114
20170194890
2017-07-06

Motor control device

#115
20170179857
2017-06-22

Systems and methods for motor torque compensation

#116
20170114665
2017-04-27

Torsional damping for gas turbine engines

#117
20170080920
2017-03-23

SYSTEM AND METHOD FOR MOTOR-ASSISTED NON-UNIFORM DISPLACEMENT ENGINE CONTROL

#118
20170060145
2017-03-02

System and method for speed control of variable speed pumping systems

#119
20170033718
2017-02-02

Motor control system and method for skipping resonant operating frequencies

#120
20170025979
2017-01-26

Adaptive torque disturbance cancellation for electric motors

#121
20170012564
2017-01-12

Frequency converter

#122
20160348667
2016-12-01

Method and control circuit for controlling an electrical drive of an electrically driven compressed air compressor of a motor vehicle

#123
20160254772
2016-09-01

Method for suppressing a speed fluctuation, a control apparatus and a compressor control system

#124
20160248358
2016-08-25

Method and system for controlling an automotive vehicle three-phase electric machine supplied via chopped voltages

#125
20160233808
2016-08-11

Motor control apparatus

#126
20160226420
2016-08-04

V/F control method for suppressing current oscillation of induction motor

#127
20160079902
2016-03-17

Inverter drives having a controlled power output

#128
20160043679
2016-02-11

Motor control system and method for skipping resonant operating frequencies

#129
20150349690
2015-12-03

Driving Signal Generator and Method of Generating Driving Signal

#130
20150303855
2015-10-22

Variable speed drive system, method for operating a variable speed drive system and method for refrigerating a hydrocarbon stream

#131
20150188476
2015-07-02

MOTOR DRIVING APPARATUS AND METHOD, AND VOICE COIL MOTOR SYSTEM USING THE SAME

#132
20150123584
2015-05-07

Method and control system for suppression of vibration

#133
20150116681
2015-04-30

Computer-readable storage medium, generating method, generating apparatus, driving apparatus, processing apparatus, lithography apparatus, and method of manufacturing article

#134
20150115853
2015-04-30

Control device for eliminating malfunctions in a network

#135
20150108938
2015-04-23

Engine control for a synchronous motor

#136
20140340005
2014-11-20

Power conversion device

#137
20140246998
2014-09-04

Torque disturbance cancellation for a motor

#138
20140203744
2014-07-24

Machine having a converter controlled drive

#139
20140184121
2014-07-03

Motor torque control apparatus and method

#140
20130317630
2013-11-28

Methods, systems and apparatus for implementing dithering in motor drive system for controlling operation of an electric machine

#141
20130293168
2013-11-07

Supply line, supply system and method for operating an electric drive

#142
20130200839
2013-08-08

RECTIFIER BASED TORSIONAL MODE DAMPING SYSTEM AND METHOD

#143
20130134916
2013-05-30

Controlling an electrical consumer of an aircraft

#144
20130057191
2013-03-07

Motor control apparatus

#145
20130009610
2013-01-10

CONTROL SYSTEM FOR DOUBLY-FED INDUCTION MACHINE

#146
20120306411
2012-12-06

Torque ripple suppression control apparatus and torque ripple suppression control method for rotating electrical machine

#147
20120268048
2012-10-25

Control system for electric motor applied to cyclic loads and control method for electric motor applied to cyclic loads

#148
20120007540
2012-01-12

Motor control device

#149
20110279075
2011-11-17

Method and module for controlling rotation of a motorized spindle

#150
20110234144
2011-09-29

Motor control device and electrical equipment with motor controlled thereby

#151
20110169443
2011-07-14

Motor drive load damping

#152
20100245409
2010-09-30

Motor control device, image forming apparatus, and motor control method

#153
20100194327
2010-08-05

Motor controller

#154
20100175478
2010-07-15

Torque oscillation monitoring

#155
20100066291
2010-03-18

METHOD AND MODULE FOR CONTROLLING ROTATION OF A MOTORIZED SPINDLE

#156
20100060226
2010-03-11

Motor control system

#157
20100007304
2010-01-14

Drive and method

#158
20090261775
2009-10-22

Permanent magnet motor start-up

#159
20090237019
2009-09-24

Motor drive control apparatus, vehicle equipped with motor drive control apparatus, and motor drive control method

#160
20090160380
2009-06-25

Motor drive device and control method thereof

#161
20090110788
2009-04-30

Utilizing motor current variations to control mixer operation

#162
20090109792
2009-04-30

Smoothing motor speed during mixing

#163
20080315818
2008-12-25

Axial gap type motor/generator

#164
20080309279
2008-12-18

Motor controller

#165
20080292290
2008-11-27

Motor control method and apparatus thereof

#166
20080265833
2008-10-30

Driving level control structure eliminating electric noise from motor

#167
20080260362
2008-10-23

Method and system for operating a motor to avoid selected pulse ratio values

#168
20080183308
2008-07-31

Resonant frequency identification

#169
20080084176
2008-04-10

Microstepper motor device and method of controlling the device

#170
20070279012
2007-12-06

Resistive torsional mode damping system and method

#171
20070272470
2007-11-29

MOTOR FOR ELECTRIC POWER STEERING APPARATUS

#172
20070205740
2007-09-06

Method of automatically setting vibration suppression filter and automatic setting apparatus for vibration suppression filter

#173
20060198744
2006-09-07

Skipping frequencies for variable speed controls

#174
20060170888
2006-08-03

Moving control apparatus and moving control method

#175
20060170382
2006-08-03

Linear motor force ripple identification and compensation with iterative learning control

#176
20060125437
2006-06-15

Motor control method and device thereof

#177
20060108958
2006-05-25

Holding arrangement having a device for actively damping vibration

#178
20060087275
2006-04-27

Gain adjusting method for servo control device

#179
20050248361
2005-11-10

Damping control in a three-phase motor with a single current sensor

#180
20050225275
2005-10-13

Method for controlling an electric motor to reduce EMI

#181
20050077845
2005-04-14

Actively controlled harmonic force generator

#182
16580736
2020-12-29

System and method for sinusoidal output and integrated EMC filtering in a motor drive