ClassID:

218530

H02P2203/09 - CPC Classification

Classification description:

Indexing scheme relating to controlling arrangements characterised by the means for detecting the position of the rotor Motor speed determination based on the current and/or voltage without using a tachogenerator or a physical encoder

Recent Application in this class:
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STEPLESS REGULATION FAN

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Method for Detecting Field Magnet Position of an Electric Motor

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TUNABLE CIRCUIT FOR ROTARY POSITION DETECTION

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Electrical submersible pump control

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20230361697
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LOW-SPEED SENSORLESS BRUSHLESS MOTOR CONTROL IN A POWER TOOL

#6
20230208336
2023-06-29

Manufacturing-sensitive control of high rotor pole switched reluctance motors

#7
20220416701
2022-12-29

External force estimation device, external force estimation method, and non-transitory computer-readable storage medium

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20220329180
2022-10-13

Low-speed sensorless brushless motor control in a power tool

#9
20220209691
2022-06-30

Method and device for detecting initial position of rotor of permanent magnet synchronous motor in no-load environment

#10
20220060132
2022-02-24

Manufacturing-sensitive control of high rotor pole switched reluctance motors

#11
20220010793
2022-01-13

Electrical submersible pump control

#12
20200389114
2020-12-10

Manufacturing-sensitive control of high rotor pole switched reluctance motors

#13
20200350846
2020-11-05

Motor position control based on servo-to-edge direction feedback

#14
20200343840
2020-10-29

Sensorless variable conduction control for brushless motor

#15
20200343839
2020-10-29

Low-speed sensorless brushless motor control in a power tool

#16
20200343838
2020-10-29

Dual-controller system for a sensorless brushless motor control

#17
20200306805
2020-10-01

Reagent bottle cleaning device

#18
20200044588
2020-02-06

Motor control device and current ripple detection method for DC motor

#19
20190288585
2019-09-19

Control method and control system of motor rotation speed

#20
20190240402
2019-08-08

System and method for predicting motor wear out in infusion systems

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20190238070
2019-08-01

Brake control system and method of fault detection

#22
20190074782
2019-03-07

Motor starting state recognition method and device, and motor

#23
20190052202
2019-02-14

Detection device and detection method for detecting number of revolutions of sensorless EPB motor

#24
20180331642
2018-11-15

Method and device for detecting a speed in a generator unit

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20180254733
2018-09-06

Control device and control method

#26
20180062552
2018-03-01

Electric motor protection using stator current and voltage measurements

#27
20170366118
2017-12-21

Drive control device for motor

#28
20170261246
2017-09-14

Compressor driving apparatus and air conditioner including the same

#29
20160061506
2016-03-03

Motor driving apparatus and refrigerator including same

#30
20150123591
2015-05-07

Motor driving circuit

#31
20150061641
2015-03-05

Method for determining the position of the rotor of an electrical machine

#32
20140074427
2014-03-13

Method and apparatus for monitoring the condition of electromechanical systems

#33
20130043816
2013-02-21

Methods, systems and apparatus for controlling a multi-phase inverter

#34
20120153935
2012-06-21

Systems, methods, and devices for demodulating induction motor instantaneous rotor slot harmonic frequency

#35
20110233291
2011-09-29

Device and method for operating a drive

#36
20110158614
2011-06-30

MOTOR ROTATION SPEED CONTROL DEVICE AND METHOD THEREOF

#37
20110031912
2011-02-10

Apparatus for driving motor of air conditioner and method for driving the same

#38
20110006714
2011-01-13

Apparatus and method for providing information relating to a motor

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20100314566
2010-12-16

System and method of step detection for a stepper motor

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20100298058
2010-11-25

Automatic baby swing

#41
20100259249
2010-10-14

Method and device for determining the position of a mobile closing part of a vehicle

#42
20100195784
2010-08-05

Rotation speed detection circuit and motor driver apparatus having the same

#43
20100194325
2010-08-05

Electric motor control

#44
20100063684
2010-03-11

Electric power steering system control methods

#45
20090243519
2009-10-01

Electromagnetic actuator driving method

#46
20090091133
2009-04-09

Method to re-engage start of dynamoelectric machine

#47
20090026992
2009-01-29

Printer and DC motor speed control device

#48
20080129243
2008-06-05

System and method for controlling motor using parameter associated with magnetic flux

#49
20080116898
2008-05-22

DC motor phase detection method for determining a distance traveled by a load

#50
20070216337
2007-09-20

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

#51
20070140669
2007-06-21

Method and device for determining the rotary speed of an electrical machine

#52
20070046249
2007-03-01

Motor control device

#53
20060119105
2006-06-08

Power generating system and its control method

#54
20050099152
2005-05-12

Operation of an electrical machine

#55
19184395
2026-03-03

Stepless regulation fan