ClassID:

218377

H02P21/12 - CPC Classification

Classification description:

Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation Stator flux based control involving the use of rotor position or rotor speed sensors

Recent Application in this class:
#1
20260128694
2026-05-07

SAFE START OF AN AC MOTOR

#2
20250266777
2025-08-21

ELECTRIC MOTOR CONTROLLER AND RELATED METHODS

#3
20250226778
2025-07-10

SENSORED FIELD ORIENTED CONTROL IN A POWER TOOL

#4
20250119082
2025-04-10

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

#5
20240195335
2024-06-13

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

#6
20230421080
2023-12-28

METHOD AND DEVICE FOR SYNCHRONOUS MOTOR CONTROL

#7
20230253901
2023-08-10

Systems and methods for controlling a switching device for an electric motor with selective flux stator

#8
20230041799
2023-02-09

Method for estimating the electromagnetic torque of a synchronous electric machine

#9
20220111737
2022-04-14

Riding lawn mower

#10
20220006404
2022-01-06

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

#11
20210257945
2021-08-19

Method and device for determining the position and the rotational speed of a rotor of an electric machine

#12
20210104967
2021-04-08

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

#13
20210028732
2021-01-28

Motor drive system and control method

#14
20200287498
2020-09-10

Device and method for controlling an electric machine

#15
20200228039
2020-07-16

Apparatus, system, and method for controlling motor

#16
20200036312
2020-01-30

System and method for rotor positioning within an electric motor

#17
20200014313
2020-01-09

Method for identifying the magnetic anisotropy of an electric rotary field machine

#18
20190363658
2019-11-28

MOTOR CONTROLLING METHOD, MOTOR CONTROLLING SYSTEM, AND ELECTRONIC POWER STEERING SYSTEM

#19
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

#20
20190165703
2019-05-30

Method of calculating motor position using hall sensor

#21
20190158005
2019-05-23

Method and device for the cyclic digital transmission of a position value of a moving object with inertial mass

#22
20190140563
2019-05-09

Starting an induction machine

#23
20190006975
2019-01-03

Induction machine having a customized field-forming current component

#24
20190006971
2019-01-03

Controller for power converter

#25
20180323732
2018-11-08

Method and long stator linear motor for transferring a transport unit at a transfer position

#26
20180152127
2018-05-31

Method of controlling dual inverter

#27
20180091078
2018-03-29

Method for reducing the noise of an electric motor

#28
20180062551
2018-03-01

Motor driving apparatus and home appliance including the same

#29
20170353133
2017-12-07

DEVICE AND METHOD FOR SENSING A ROTATIONAL POSITION OF A ROTATABLE ELEMENT, CONTROLLER, SENSOR SYSTEM FOR DETECTING A ROTATIONAL POSITION OF A ROTATABLE ELEMENT, AND HOUSEHOLD APPLIANCE

#30
20170250640
2017-08-31

Method and device for the cyclic digital transmission of a position value of a moving object with inertial mass

#31
20170170757
2017-06-15

Method for determining offset of resolver of vehicle motor

#32
20170093257
2017-03-30

Rotary electric machine and rotary electric machine controller

#33
20170085200
2017-03-23

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

#34
20160380562
2016-12-29

Method and long stator linear motor for transferring a transport unit at a transfer position

#35
20160187875
2016-06-30

Variable magnetization machine controller

#36
20160141990
2016-05-19

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

#37
20160036364
2016-02-04

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

#38
20160020708
2016-01-21

Power converter controller

#39
20150229258
2015-08-13

Electric motor controller

#40
20150214866
2015-07-30

Method of controlling a permanent magnet motor and corresponding system

#41
20150028792
2015-01-29

Induction motor flux and torque control

#42
20140210386
2014-07-31

Stator flux magnitude and direction control strategies for permanent magnet synchronous motors

#43
20140203754
2014-07-24

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

#44
20140125309
2014-05-08

System and method of detecting a wiring configuration for a controlled field alternator

#45
20140062375
2014-03-06

Control apparatus for three-phase rotary machine

#46
20140035495
2014-02-06

Methods and apparatuses for obtaining maximum magnetic flux of permanent magnet synchronous motors

#47
20130320936
2013-12-05

Current controller and generator system

#48
20130265013
2013-10-10

Permanent magnet generator inductance profile identification

#49
20130241449
2013-09-19

Apparatus and method of braking applied in a laundry treating appliance

#50
20130147442
2013-06-13

Direct power and stator flux vector control of a generator for wind energy conversion system

#51
20130009611
2013-01-10

Direct power and stator flux vector control of a generator for wind energy conversion system

#52
20120268081
2012-10-25

Direct power and stator flux vector control of a generator for wind energy conversion system

#53
20120256579
2012-10-11

Apparatus and method for generating electromagnetic torque in an electric machine

#54
20120211983
2012-08-23

Method and system for operating an electromechanical generator

#55
20120169263
2012-07-05

Methods, systems and apparatus for adjusting duty cycle of pulse width modulated (PWM) waveforms

#56
20110221367
2011-09-15

Methods, systems and apparatus for overmodulation of a five-phase machine

#57
20110162554
2011-07-07

Operating a synchronous motor having a permanent magnet rotor

#58
20100327798
2010-12-30

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

#59
20100327585
2010-12-30

Control system for an electrical generator and method for controlling an electrical generator

#60
20100201294
2010-08-12

Variable magnetic flux motor drive system

#61
20100087971
2010-04-08

Electric vehicle controller

#62
20090256518
2009-10-15

Vector control device of induction motor, vector control method of induction motor, and drive control device of induction motor

#63
20090066276
2009-03-12

Method for operating a rotating electrical machine

#64
20080297080
2008-12-04

Hand-guided or stationary power tool having a drive unit

#65
20080136380
2008-06-12

Method for controlled application of a stator current set point value and of a torque set point value for a converter-fed rotating-field machine

#66
20080061747
2008-03-13

System and method for DC power generation from a reluctance machine

#67
20080048607
2008-02-28

Vector controller of induction motor

#68
20070268005
2007-11-22

System and method for AC power generation from a reluctance machine

#69
20070102936
2007-05-10

System and method for AC power generation from a reluctance machine

#70
20070102935
2007-05-10

System and method for DC power generation from a reluctance machine

#71
20070007922
2007-01-11

Enhanced floating reference frame controller for sensorless control of synchronous machines

#72
20050093493
2005-05-05

Electric power steering system for a vehicle

#73
17220421
2022-02-01

Systems and methods for interior permanent magnet synchronous motor control

#74
16984267
2020-10-27

Robust starting system and method for interior permanent magnet synchronous motor control

#75
15421580
2018-01-09

Drive system with limited slip electric differential drive unit