ClassID:

218527

H02P2203/03 - CPC Classification

Classification description:

Indexing scheme relating to controlling arrangements characterised by the means for detecting the position of the rotor Determination of the rotor position, e.g. initial rotor position, during standstill or low speed operation

Recent Application in this class:
#1
20260058586
2026-02-26

ROTOR POSITION ESTIMATION USING VARIABLE HIGH-FREQUENCY VOLTAGE INJECTION

#2
20250345913
2025-11-13

SENSORLESS MOTOR CONTROL FOR A POWER TOOL

#3
20250153323
2025-05-15

ELECTRIC TOOL

#4
20250055393
2025-02-13

SENSORLESS OBSERVER BASED ZERO-SPEED START FOR FUEL CELL COMPRESSOR

#5
20250025736
2025-01-23

DIGITAL STRENGTH TRAINING

#6
20240405700
2024-12-05

PHASE-LOCKED LOOP CONTROL SYSTEM AND METHOD FOR A MOTOR

#7
20240322721
2024-09-26

METHOD FOR DETERMINING AN INITIAL POSITION OF A ROTOR OF A BRUSHLESS MOTOR AND BRUSHLESS MOTOR

#8
20240322717
2024-09-26

STANDSTILL ANGLE DETECTION FOR SALIENT MOTORS

#9
20240100677
2024-03-28

SENSORLESS MOTOR CONTROL FOR A POWER TOOL

#10
20240063732
2024-02-22

SYSTEM AND METHOD FOR CONTROLLING OPERATION OF A MOTOR

#11
20240024724
2024-01-25

Digital strength training

#12
20230361697
2023-11-09

LOW-SPEED SENSORLESS BRUSHLESS MOTOR CONTROL IN A POWER TOOL

#13
20230238906
2023-07-27

Advance angle correction method, advance angle setting device, motor device, and in-vehicle device

#14
20230231502
2023-07-20

Position sensor system and method for detecting an error of a position sensor system

#15
20230208336
2023-06-29

Manufacturing-sensitive control of high rotor pole switched reluctance motors

#16
20230126824
2023-04-27

Sensorless motor control based on a commutation event

#17
20230109908
2023-04-13

Magnetic pole position detection device

#18
20230089946
2023-03-23

Digital strength training

#19
20230068845
2023-03-02

Method of determining an initial rotor position for a synchronous motor and a controller therefor

#20
20230006576
2023-01-05

Automatic transition of motor controller from open-loop control to closed-loop control

#21
20230006575
2023-01-05

Method for determining a position of a rotor at standstill

#22
20220416701
2022-12-29

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

#23
20220368253
2022-11-17

Systems and methods for phase-voltage based motor period measurement and controlled signal path fault detection

#24
20220337180
2022-10-20

Method for controlling a motor unit, and motor unit for carrying out such a method

#25
20220329180
2022-10-13

Low-speed sensorless brushless motor control in a power tool

#26
20220296950
2022-09-22

Digital strength training

#27
20220241951
2022-08-04

Sensorless motor control for a power tool

#28
20220209692
2022-06-30

Control system of a rideable saddle vehicle provided with electric drive

#29
20220209691
2022-06-30

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

#30
20220195656
2022-06-23

Clothes treating apparatus and the control method for the same

#31
20220185250
2022-06-16

Redundancy based electric brake failure detection method and device using the same

#32
20220176184
2022-06-09

Repetition extraction

#33
20220103100
2022-03-31

Semiconductor device, motor drive system, and method of starting motor

#34
20220060132
2022-02-24

Manufacturing-sensitive control of high rotor pole switched reluctance motors

#35
20210391813
2021-12-16

Motor resistance and inductance values from initial position detection timing parameters

#36
20210333130
2021-10-28

Motor rotation angle measurement device and method

#37
20210313854
2021-10-07

Electric motor with different star points

#38
20210265927
2021-08-26

Generation of motor drive signals with misalignment compensation

#39
20210229255
2021-07-29

Sensorless motor control for a power tool

#40
20210119559
2021-04-22

Electric tool and control method of electric tool

#41
20210104968
2021-04-08

Method of controlling sensorless motor for air compressor

#42
20210070361
2021-03-11

Steer by wire system with redundant angular position sensing and an end-of-travel stop

#43
20210067069
2021-03-04

Electric motor control device

#44
20200389114
2020-12-10

Manufacturing-sensitive control of high rotor pole switched reluctance motors

#45
20200343840
2020-10-29

Sensorless variable conduction control for brushless motor

#46
20200343839
2020-10-29

Low-speed sensorless brushless motor control in a power tool

#47
20200343838
2020-10-29

Dual-controller system for a sensorless brushless motor control

#48
20200295689
2020-09-17

Motor control device, method of estimating initial position of magnetic pole of rotor, and image forming apparatus

#49
20200295688
2020-09-17

Motor control device, method of estimating initial position of magnetic pole of rotor, and image forming apparatus

#50
20200295678
2020-09-17

Method and device for determining a rotation variable

#51
20200266745
2020-08-20

Motor control device, method of estimating initial position of magnetic pole of rotor, and image forming apparatus

#52
20200195187
2020-06-18

Motor control device and motor control system

#53
20200195181
2020-06-18

Motor controller and image forming apparatus

#54
20200186070
2020-06-11

Control device for rotating electrical machine

#55
20200127587
2020-04-23

Sensorless motor control

#56
20200119677
2020-04-16

Magnetic pole initial position detection device using direct-current excitation method and magnetic pole position detection device

#57
20200112274
2020-04-09

Device and method for automatically detecting initial position of rotor of motor

#58
20200106374
2020-04-02

Vehicle system, motor control system and motor control method

#59
20200067433
2020-02-27

Switched reluctance motor control system

#60
20200036313
2020-01-30

APPARATUS FOR CONTROLLING COMPRESSOR, CONTROL SYSTEM FOR COMPRESSOR, AND METHOD FOR CONTROLLING COMPRESSOR

#61
20200028456
2020-01-23

MOTOR DRIVE CONTROL DEVICE, MOTOR, AND BLOWER APPARATUS

#62
20200007068
2020-01-02

Method and device for maintaining a detected absolute position of an electric motor operating as an actuator during a critical operation

#63
20190393812
2019-12-26

Motor control apparatus including current detection unit for detecting coil current and image forming apparatus

#64
20190372488
2019-12-05

Motor drive phase sector buffer, offset and gain error circuitry

#65
20190319560
2019-10-17

MOTOR DRIVING CIRCUIT, MOTOR DRIVING METHOD AND MOTOR DEVICE USING THE SAME

#66
20190305699
2019-10-03

Electric working machine

#67
20190245464
2019-08-08

Power tool and control method thereof

#68
20190238075
2019-08-01

Position management apparatus and assisting apparatus

#69
20190199252
2019-06-27

Motor control device and motor control method

#70
20190173402
2019-06-06

Motor control apparatus that performs processing for detecting stop position of rotor, and image forming apparatus

#71
20190089283
2019-03-21

Identification of a secondary part during use in a linear-motor-based system

#72
20190086240
2019-03-21

METHOD AND DEVICE FOR PROCESSING A SIGNAL

#73
20190058427
2019-02-21

Generation of motor drive signals with misalignment compensation

#74
20190044462
2019-02-07

Magnetic pole position detecting device for synchronous motor and magnetic pole position detecting method for synchronous motor

#75
20190028048
2019-01-24

Driving device, printer device, and method thereof

#76
20180358911
2018-12-13

Motor drive apparatus and motor drive method

#77
20180302014
2018-10-18

Method and system for correcting initial zero offset

#78
20180287529
2018-10-04

Vehicle motor control apparatus and method

#79
20180287525
2018-10-04

Motor driving device, method, and program

#80
20180254722
2018-09-06

Drive device and method for three-phase brushless motor

#81
20180188074
2018-07-05

Multi-turn angle controlling method based on an absolute position encoder and device

#82
20180115261
2018-04-26

Correcting offset and gain drift related angle errors with motor position detectors

#83
20180013362
2018-01-11

Motor control device and game machine

#84
20170366114
2017-12-21

Determining motor position with complementary drive and detect and slight move

#85
20170141708
2017-05-18

Circuit for detecting rotation angle, method for detecting rotation angle, sample analysis device, and computer program for sample analysis device

#86
20170012566
2017-01-12

DRIVE APPARATUS

#87
20160359438
2016-12-08

Power conversion device

#88
20160268937
2016-09-15

Drive control device and fuel pump drive system

#89
20150268283
2015-09-24

Method for determining the position of a rotor of a polyphase motor

#90
20150134284
2015-05-14

Method for determining the angular offset between the rotor and the stator of an electrical machine of a motor vehicle

#91
20150130377
2015-05-14

Drive control apparatus and fuel pump using the same

#92
20150064024
2015-03-05

Motor controller and turbo-molecular pump

#93
20140340018
2014-11-20

Control device of AC rotating machine

#94
20140333244
2014-11-13

Control of a permanent-magnet electric machine

#95
20140232311
2014-08-21

Method and system for determining the position of a synchronous motor's rotor

#96
20140152204
2014-06-05

Magnetic pole position detector for synchronous motor

#97
20140121907
2014-05-01

Vehicle including movable partition and controller

#98
20140084822
2014-03-27

Control device for rotary machine

#99
20140070747
2014-03-13

Control device and method for establishing the rotor angle of a synchronous machine

#100
20140070746
2014-03-13

Control device and method for establishing the rotor angle of a synchronous machine

#101
20120206077
2012-08-16

Apparatus for calculating rotational position of rotary machine

#102
20120180592
2012-07-19

ELECTRICAL MACHINE APPARATUS AND ROBOT

#103
20110254491
2011-10-20

Synchronous-machine starting device

#104
20110221570
2011-09-15

Position transmitter system

#105
20110163704
2011-07-07

Method and apparatus for monitoring a system including a sensorless electric motor

#106
20100141192
2010-06-10

Operation of BLDC motors

#107
20100033064
2010-02-11

Rotation detector and direct-current motor

#108
20060012328
2006-01-19

Origin offset calculation method of rotational position detecting device of electric motor and motor control device using the calculation method

#109
17841699
2023-09-05

Control circuit of brushless direct current motor and method for detecting initial rotor position of brushless direct current motor

#110
16458188
2020-06-23

Driving module, restoration method and imaging device

#111
16234001
2020-05-05

Systems and methods for back electromotive force based feedback for a movable component

#112
16181801
2020-03-31

System and method for estimating rotor sensor offset