ClassID:

218374

H02P21/08 - CPC Classification

Classification description:

Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation; Rotor flux based control involving the use of rotor position or rotor speed sensors Indirect field-oriented control; Rotor flux feed-forward control

Sub-classes:
Recent Application in this class:
#1
20250266777
2025-08-21

ELECTRIC MOTOR CONTROLLER AND RELATED METHODS

#2
20250132707
2025-04-24

SENSORED FIELD ORIENTED CONTROL IN A POWER TOOL

#3
20250132692
2025-04-24

POWER ELECTRONICS FOR VOLTAGE BOOST CHARGING

#4
20240030847
2024-01-25

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

#5
20240022191
2024-01-18

Feedback scaling for electric machines

#6
20240014756
2024-01-11

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

#7
20230402944
2023-12-14

Method and apparatus for electric motor control

#8
20230223883
2023-07-13

Motor driving apparatus

#9
20220224273
2022-07-14

Multiphase induction motor drive for gearless electric vehicles

#10
20210006189
2021-01-07

Controller, motor control system having the controller, and electric power steering system having the motor control system

#11
20210006188
2021-01-07

Controller, motor control system having the controller, and electric power steering system having the motor control system

#12
20200358385
2020-11-12

Method for determining motor parameters during commissioning of synchronous and asynchronous electric motors and related commissioned electric motor

#13
20190372497
2019-12-05

Control system for electric motor circuit

#14
20190123670
2019-04-25

Motor control device

#15
20190028043
2019-01-24

Machine learning device, servo motor control device, servo motor control system, and machine learning method

#16
20190006975
2019-01-03

Induction machine having a customized field-forming current component

#17
20180234043
2018-08-16

Alternator with harmonic compensation

#18
20170019048
2017-01-19

Control apparatus and control method for AC rotary machine, and electric power steering apparatus

#19
20150236631
2015-08-20

System and method of rotor time constant online identification in an AC induction machine

#20
20150155773
2015-06-04

Apparatus and method for controlling inverter by measuring each phase current

#21
20150048774
2015-02-19

Three-phase AC induction motor control device and three-phase AC induction motor control method

#22
20140346979
2014-11-27

Control device and control method for vehicular rotating electric machine

#23
20130169206
2013-07-04

Control device and control method for power control unit

#24
20130009572
2013-01-10

Apparatus for controlling speed in induction motor

#25
20120038300
2012-02-16

Control device for AC rotating machine

#26
20120001578
2012-01-05

Inverter for electric vehicle

#27
20110068722
2011-03-24

Open-loop or closed-loop control method for a converter

#28
20110043144
2011-02-24

Motor controller and electric power steering system

#29
20080315824
2008-12-25

Induction motor drive unit, motor drive system, and elevating system

#30
20080303476
2008-12-11

Electric motor control device

#31
20080024082
2008-01-31

Controller for motor

#32
20060138992
2006-06-29

Motor controller and out of control detecting method

#33
20050212471
2005-09-29

Current regulation for a field weakening motor control system and method

#34
20050104551
2005-05-19

Synchronous motor control device and method of correcting deviation in rotational position of synchronous motor

#35
17719944
2023-08-22

Feedforward current control for dual wound synchronous motor drives