ClassID:

218405

H02P23/009 - 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 high speeds, e.g. above nominal speed using field weakening

Recent Application in this class:
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CIRCULAR SAW

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20250105771
2025-03-27

POWER TOOL INCLUDING DYNAMICALLY CONFIGURABLE MOTOR PARAMETERS

#3
20210281154
2021-09-09

Position sensorless control method in low-speed region of fault-tolerant permanent magnet motor system based on envelope detection and non-orthogonal phase-locked loop

#4
20200406761
2020-12-31

Motor device

#5
20200313600
2020-10-01

Method and device for operating an electric machine for outputting a predefined torque and a predefined rotational speed

#6
20200191878
2020-06-18

Adjustable frequency drive systems and methods of employing power compensation

#7
20200127589
2020-04-23

Motor system provided with both motor having multiple-phase stator windings and control device controlling the motor

#8
20190115865
2019-04-18

Motor-control device

#9
20190020295
2019-01-17

Hybrid surface magnet machine

#10
20180287540
2018-10-04

Methods for determining a voltage command

#11
20180287539
2018-10-04

Pump assembly and controlling method

#12
20180175766
2018-06-21

Motor driving device

#13
20180013367
2018-01-11

Hybrid surface magnet machine

#14
20160311426
2016-10-27

Motor controller for hybrid vehicle

#15
20160204722
2016-07-14

Hybrid surface magnet machine

#16
20160197570
2016-07-07

High speed ratio permanent magnet motor

#17
20160178021
2016-06-23

Electric brake device

#18
20150159658
2015-06-11

Motor-driven compressor with switching element

#19
20150082575
2015-03-26

Brushless motor and wiper apparatus

#20
20140225536
2014-08-14

Motor control system for executing drive control of an alternating-current motor

#21
20140191703
2014-07-10

Drive control device, electrical apparatus and drive control method

#22
20140070738
2014-03-13

Electric motor torque control

#23
20140055065
2014-02-27

PMSM field weakening for appliance motors

#24
20130314011
2013-11-28

Methods, systems and apparatus for computing a voltage advance used in controlling operation of an electric machine

#25
20130249451
2013-09-26

Voltage conversion control device for motor

#26
20130002174
2013-01-03

Control device for motor drive system and vehicle incorporating the same

#27
20120296507
2012-11-22

Propulsion control apparatus

#28
20120217916
2012-08-30

Device and method for generating an initial controller lookup table for an IPM machine

#29
20120081054
2012-04-05

CONTROL DEVICE OF A DRIVING APPARATUS

#30
20110248663
2011-10-13

Control system for AC motor

#31
20110241598
2011-10-06

Electric motor driving device and vehicle equipped with the same

#32
20110219816
2011-09-15

Motor drive device, and compressor and refrigerator using same

#33
20110006723
2011-01-13

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

#34
20090237019
2009-09-24

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

#35
20090001924
2009-01-01

System and method for dynamic field weakening

#36
17410449
2022-10-18

Optimal open windings inverter for controlling three-phase AC motors