Patents-Review.com
ClassID:

218408 ⎘

H02P23/03 - 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 very low speeds

Recent Application in this class:
#1
20260121572
2026-04-30

INVERTER CONTROL DEVICE, INVERTER CONTROL METHOD THEREOF, AND VEHICLE INCLUDING SAME

 #2
20230421088
2023-12-28

DOUBLE-REFERENCE PULSE-WIDTH MODULATION FOR TORQUE MINIMIZATION OF AC MACHINES

 #3
20220416703
2022-12-29

Motor drive method and motor drive apparatus

 #4
20220368256
2022-11-17

Motor drive method and motor drive apparatus

 #5
20200358389
2020-11-12

Motor drive system and method capable of suppressing heat generation during low speed operation

 #6
20200313593
2020-10-01

Methods and systems for improving current capability for electric motors

 #7
20200119666
2020-04-16

Drive apparatus for oil-pump motor and drive control method for oil-pump motor

 #8
20190229669
2019-07-25

Motor driving apparatus, refrigerator, and air conditioner

 #9
20190214926
2019-07-11

Control device, control method, motor, and electric oil pump

 #10
20180337620
2018-11-22

Drive apparatus for oil-pump motor and drive control method for oil-pump motor

 #11
20180198398
2018-07-12

SYSTEM AND METHOD FOR CONTROLLING A MOTOR

 #12
20170369092
2017-12-28

Electric power steering device

 #13
20170264223
2017-09-14

Motor drive controlling apparatus, motor drive controlling method, and tube pump

 #14
20170110999
2017-04-20

Rotary electric machine control device

 #15
20160134219
2016-05-12

Apparatus for controlling inverter

 #16
20160028335
2016-01-28

Motor control

 #17
20160013741
2016-01-14

Motor control

 #18
20150180396
2015-06-25

Method for open-loop and closed-loop control of an electromagnetic machine

 #19
20150028793
2015-01-29

Motor control apparatus

 #20
20140354210
2014-12-04

Control device and control method for vehicular power system

 #21
20140132198
2014-05-15

Control for multi-phase induction motor

 #22
20140035505
2014-02-06

Hybrid closed loop speed control using open look position for electrical machines controls

 #23
20140026681
2014-01-30

Method and apparatus for determining an electrical torque of an electrical machine

 #24
20130155731
2013-06-20

System and method for low speed control of polyphase AC machine

 #25
20130155730
2013-06-20

System and method for low speed control of polyphase AC machine

 #26
20120256577
2012-10-11

Motor control apparatus and method

 #27
20120200248
2012-08-09

METHOD FOR MONITORING A DRIVE STATE OF AN ELECTRIC MOTOR

 #28
20120038309
2012-02-16

Control for multi-phase induction motor

 #29
20120001577
2012-01-05

Torque motor driving device for wire cut electrical discharge machines

 #30
20110316455
2011-12-29

Method for drive-controlling electric machinery

 #31
20110284255
2011-11-24

Electric boring tool

 #32
20100283414
2010-11-11

Motor for washer, method for controlling the motor, and method for controlling the washer

 #33
20100244754
2010-09-30

Sensorless-Brushless Motor Control Device and Electric Fluid Pump Using the Same

 #34
20090322165
2009-12-31

High-efficiency wheel-motor utilizing molded magnetic flux channels with transverse-flux stator

 #35
20090302607
2009-12-10

Double fed synchronous generator motor

 #36
20090072778
2009-03-19

Low speed synchronous motor drive operation

 #37
20080225561
2008-09-18

Apparatus and method for controlling inverter

 #38
20080084176
2008-04-10

Microstepper motor device and method of controlling the device

 #39
20070200523
2007-08-30

Motor drive apparatus and method and electrically driven brake apparatus

 #40
20070001636
2007-01-04

Torque controller in an electric motor

 #41
20060022629
2006-02-02

Numerical control device

 #42
20060001388
2006-01-05

Method for measuring the speed of an electrical machine