ClassID:

218357

H02P21/0021 - 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 using different modes of control depending on a parameter, e.g. the speed

Recent Application in this class:
#1
20260128704
2026-05-07

TOPOLOGICAL CIRCUIT AND CONTROL STRATEGY FOR DRIVING SWITCHED RELUCTANCE MOTOR (SRM)

#2
20260128692
2026-05-07

POWER TOOL MOTOR CONTROL AND METHODS ASSOCIATED THEREWITH

#3
20260039231
2026-02-05

WELL-BEHAVED SENSORLESS MOTOR START

#4
20250253787
2025-08-07

METHOD FOR CONTROLLING AN OPERATION OF AN ELECTRIC MACHINE

#5
20250211145
2025-06-26

METHOD FOR CONTROLLING AN ELECTRIC MOTOR IN THE EVENT OF A SPEED MEASUREMENT ANOMALY

#6
20250202395
2025-06-19

SENSORED FIELD ORIENTED CONTROL IN A POWER TOOL

#7
20250112581
2025-04-03

MOTOR CONTROL DEVICE AND PARKING LOCK DEVICE

#8
20250096710
2025-03-20

CONTROL DEVICE, CONTROL METHOD, AND CONTROL SYSTEM

#9
20250047226
2025-02-06

ELECTRONIC POLE-CHANGING FOR INDUCTION MOTORS

#10
20240396483
2024-11-28

POWER CONVERSION DEVICE AND CONTROL METHOD

#11
20240014754
2024-01-11

Electric motor control method and electric motor control device

#12
20210400157
2021-12-23

Motor control apparatus, sheet conveyance apparatus, and image forming apparatus

#13
20210257954
2021-08-19

Controller for AC rotary electric machine

#14
20210143762
2021-05-13

Detecting rotor anomalies by determining vibration trends during transient speed operation

#15
20210075354
2021-03-11

Virtual voltage injection-based speed sensor-less driving control method for induction motor

#16
20210036640
2021-02-04

Machine learning correction parameter adjustment apparatus and method for use with a motor drive control system

#17
20200304048
2020-09-24

Method and apparatus for tuning of electric motor parameters

#18
20200186660
2020-06-11

Motor control apparatus, sheet conveyance apparatus, and image forming apparatus

#19
20200169202
2020-05-28

MOTOR DRIVING APPARATUS

#20
20200014322
2020-01-09

Human-powered vehicle control device, electronic device, and human-powered vehicle control system

#21
20200014321
2020-01-09

Electronic device and human-powered vehicle system

#22
20200007055
2020-01-02

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

#23
20190386595
2019-12-19

Machine learning correction parameter adjustment apparatus and method for use with a motor drive control system

#24
20190312538
2019-10-10

MOTOR CONTROL APPARATUS, SHEET CONVEYANCE APPARATUS, DOCUMENT FEEDING APPARATUS, DOCUMENT READING APPARATUS, AND IMAGE FORMING APPARATUS

#25
20190296668
2019-09-26

Motor system

#26
20190260318
2019-08-22

Control device

#27
20190052214
2019-02-14

Motor control system

#28
20180208023
2018-07-26

Synchronous motor control device and method of controlling synchronous motor

#29
20180183367
2018-06-28

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

#30
20180131305
2018-05-10

System and method for starting synchronous motors

#31
20180076748
2018-03-15

Control device

#32
20170346974
2017-11-30

Motor control apparatus, sheet conveyance apparatus, and image forming apparatus

#33
20170331410
2017-11-16

Control apparatus for AC motor

#34
20170291505
2017-10-12

Apparatus and method for controlling motor for vehicle

#35
20170288590
2017-10-05

Motor control apparatus, sheet conveying apparatus, image forming apparatus

#36
20170264216
2017-09-14

Air conditioner and startup control method and system for outdoor fan of the air conditioner

#37
20170207739
2017-07-20

Motor control apparatus

#38
20170170766
2017-06-15

Motor control apparatus for vehicles and current reference generation method using the same

#39
20160359442
2016-12-08

Optimized control for synchronous motors

#40
20160254770
2016-09-01

Motor control device

#41
20160190970
2016-06-30

Power convertor, controller, and method for changing carrier frequency

#42
20160065108
2016-03-03

Electric motor current controller with negative sequence harmonic suppression

#43
20150357953
2015-12-10

Method for controlling AC motor

#44
20150333682
2015-11-19

Motor control device

#45
20150311845
2015-10-29

Motor drive device and electric compressor

#46
20150263661
2015-09-17

System and method for controlling regenerating energy in an adjustable speed drive

#47
20150066400
2015-03-05

Sizing and tuning methodology for optimized motion control components and energy efficiency

#48
20140340007
2014-11-20

Rotary electric machine control system and rotary electric machine control method

#49
20140306627
2014-10-16

Rotary drive system, method for controlling an inverter and associated computer program

#50
20140229051
2014-08-14

Method and device for controlling a powertrain

#51
20130320891
2013-12-05

Control method and device for an electric machine

#52
20130257325
2013-10-03

Method for controlling rotation rate of electric motor

#53
20130179040
2013-07-11

Electric power steering system

#54
20130169202
2013-07-04

Methods, systems and apparatus for generating voltage commands used to control operation of a permanent magnet machine

#55
20130069568
2013-03-21

System and method for controlling a permanent magnet motor

#56
20130015803
2013-01-17

Methods, systems and apparatus for reducing power loss in an electric motor drive system

#57
20120268053
2012-10-25

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

#58
20120169268
2012-07-05

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

#59
20120056576
2012-03-08

Power train for a transport vehicle, in particular a rail vehicle, and method for controlling same

#60
20110279071
2011-11-17

Control device for AC motor

#61
20110248663
2011-10-13

Control system for AC motor

#62
20110241584
2011-10-06

CONTROL DEVICE OF MOTOR DRIVING APPARATUS

#63
20110241583
2011-10-06

CONTROL DEVICE OF MOTOR DRIVING APPARATUS

#64
20110074320
2011-03-31

Control device for electric motor drive device

#65
20110043149
2011-02-24

Motor controlling device

#66
20100264859
2010-10-21

Control apparatus and control method for AC motor

#67
20100253260
2010-10-07

Motor drive control device

#68
20100134056
2010-06-03

Control device and control system for electric rotating machine

#69
20100019714
2010-01-28

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

#70
20070216337
2007-09-20

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

#71
14998300
2017-04-04

Flux weakening AC motor control by voltage vector angle deflection