H02P6/181 - CPC Classification Index

#1

20260045893

2026-02-12

MOTOR CONTROL DEVICE

#2

20250373182

2025-12-04

CONTROL METHOD TO ACHIEVE ZERO AND ULTRA-LOW SPEED OPERATION FOR BRUSHLESS DC MOTOR WITHOUT POSITION SENSOR

#3

20250247029

2025-07-31

SENSORLESS MOTOR CONTROL SYSTEM FOR A POWER TOOL AND METHOD FOR DETERMINING AN INITIAL ROTOR POSITION OF A SENSORLESS MOTOR

#4

20250055393

2025-02-13

SENSORLESS OBSERVER BASED ZERO-SPEED START FOR FUEL CELL COMPRESSOR

#5

20240039437

2024-02-01

SENSORLESS MOTOR ASSEMBLY AND METHOD OF CONTROLLING THE SAME

#6

20230006575

2023-01-05

Method for determining a position of a rotor at standstill

#7

20210351728

2021-11-11

Position observer for electrical machines

#8

20200373862

2020-11-26

Motor control device

#9

20200225635

2020-07-16

Device including data transmission mechanisms which transmit driving state of drive device

#10

20200200054

2020-06-25

Adjusting unit of an internal combustion engine

#11

20200119666

2020-04-16

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

#12

20200067432

2020-02-27

Gear motor, associated wiper system and associated control method

#13

20200062297

2020-02-27

Electric power steering apparatus and method for controlling electric power steering

#14

20200052620

2020-02-13

Synchronous motor control apparatus

#15

20200021214

2020-01-16

Rotor position estimation

#16

20190199253

2019-06-27

Inverter control apparatus and motor drive system

#17

20190073256

2019-03-07

Electronic control device and operation control method therefor

#18

20190068099

2019-02-28

Motor controller and image forming apparatus

#19

20190044462

2019-02-07

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

#20

20190020292

2019-01-17

Process of operating a hybrid controller for brushless DC motor

#21

20180375450

2018-12-27

Operation of a rotating electric machine having two position sensors

#22

20180367073

2018-12-20

MOTOR CONTROL CIRCUIT WITH DIAGNOSTIC CAPABILITIES

#23

20180337620

2018-11-22

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

#24

20180294753

2018-10-11

Brushless motor device, image forming apparatus, and control method for controlling brushless motor

#25

20180287524

2018-10-04

Brushless motor device, image forming apparatus, and control method for controlling brushless motor

#26

20180278187

2018-09-27

Load-adaptive smooth startup method for sensorless field-oriented control of permanent magnet synchronous motors

#27

20180215409

2018-08-02

Fault tolerant field oriented control for electric power steering

#28

20180152130

2018-05-31

Control device for switched reluctance motor

#29

20180131305

2018-05-10

System and method for starting synchronous motors

#30

20180123488

2018-05-03

Sensorless control system for permanent magnet synchronous machine

#31

20180006588

2018-01-04

Rotor flux angle and torque trajectory control apparatus and methods

#32

20170359007

2017-12-14

Method for operating a brushless direct current motor

#33

20170077851

2017-03-16

Power tool and motor drive circuit thereof

#34

20170052208

2017-02-23

Circuit and method to detect failure of speed estimation/speed measurement of a multi-phase AC motor

#35

20160294311

2016-10-06

Hybrid controller for brushless DC motor

#36

20160276966

2016-09-22

Load-adaptive smooth startup method for sensorless field-oriented control of permanent magnet synchronous motors

#37

20160254770

2016-09-01

Motor control device

#38

20160233804

2016-08-11

MOTOR CONTROL DEVICE

#39

20160218654

2016-07-28

Motor control system and method with flux linkage estimation error compensation

#40

20160218653

2016-07-28

Motor control system and method with adaptive flux linkage estimation

#41

20160218651

2016-07-28

Motor control system and method with predictive motor current estimation

#42

20160190961

2016-06-30

Electric motor using multiple reference frames for flux angle

#43

20160134216

2016-05-12

Circuits and methods of determining position and velocity of a rotor

#44

20160056740

2016-02-25

Transition scheme for position sensorless control of AC motor drives

#45

20160043673

2016-02-11

Motor drive device

#46

20150357956

2015-12-10

Rotary electric machine control device

#47

20150333682

2015-11-19

Motor control device

#48

20150249409

2015-09-03

Control device for AC rotating machine, AC rotating machine drive system equipped with control device for AC rotating machine and electric power steering system

#49

20150236627

2015-08-20

Image forming apparatus, method of controlling image forming apparatus, and storage medium

#50

20150207447

2015-07-23

Motor drive control device

#51

20150188464

2015-07-02

Brushless motor and control method thereof

#52

20150084575

2015-03-26

Angle/frequency selector in an electric motor controller architecture

#53

20150061556

2015-03-05

Method of controlling an electrical machine

#54

20140368135

2014-12-18

Control device for alternating current rotary machine

#55

20140340009

2014-11-20

Electronic circuit and method for synchronizing electric motor drive signals between a start-up mode of operation and a normal mode of operation

#56

20140327380

2014-11-06

Circuits and methods of determining position and velocity of a rotor

#57

20140327379

2014-11-06

POSITION SENSORLESS DRIVE SYSTEM AND METHOD FOR PERMANENT MAGNET MOTORS

#58

20140265973

2014-09-18

System and method for determining rotor shaft position of high voltage PM AC synchronous machines using auxiliary windings

#59

20140210391

2014-07-31

Sensorless motor control

#60

20140184116

2014-07-03

Apparatus for motor control system and associated methods

#61

20140159631

2014-06-12

Motor position detecting unit and brushless DC motor system

#62

20140084824

2014-03-27

Sensorless driving apparatus and sensorless driving method for brushless motor

#63

20130221880

2013-08-29

MOTOR DRIVING CIRCUIT AND MOTOR APPARATUS

#64

20130169196

2013-07-04

Brushless motor speed control system

#65

20130154528

2013-06-20

Systems and method for controlling electric motors

#66

20130141024

2013-06-06

Method and system for controlling a permanent magnet synchronous motor

#67

20130106333

2013-05-02

Apparatus and method of determining rotor position in a salient-type motor

#68

20130069577

2013-03-21

Speed control apparatus for the switched reluctance motor

#69

20130069575

2013-03-21

Brushless motor driving apparatus and brushless motor driving method

#70

20120293101

2012-11-22

Starting sensorless brushless direct-current (BLDC) motors based on current-ripple analysis

#71

20120181962

2012-07-19

Method and device for monitoring and correcting a sensorless rotor position detection in permanently excited motors

#72

20120133311

2012-05-31

Motor magnetic pole position correction method

#73

20120062160

2012-03-15

Permanent magnet motor with stator-based saliency for position sensorless drive

#74

20120043919

2012-02-23

Pulse amplitude modulation method for the DC brushless motor

#75

20120013281

2012-01-19

Semiconductor integrated circuit device

#76

20110310714

2011-12-22

SENSORLESS MOTOR DRIVE DEVICE

#77

20110291605

2011-12-01

Single phase AC synchronized motor

#78

20110279070

2011-11-17

MOTOR DRIVING DEVICE AND ELECTRIC EQUIPMENT USING THE SAME

#79

20110254491

2011-10-20

Synchronous-machine starting device

#80

20110254482

2011-10-20

Control of a brushless motor

#81

20110254476

2011-10-20

Control of a brushless motor

#82

20110241584

2011-10-06

CONTROL DEVICE OF MOTOR DRIVING APPARATUS

#83

20110219816

2011-09-15

Motor drive device, and compressor and refrigerator using same

#84

20110175560

2011-07-21

Motor magnetic-pole-position estimating apparatus

#85

20110062909

2011-03-17

Position sensorless control of permanent magnet motors

#86

20100117572

2010-05-13

Brushless motor control device and brushless motor control method

#87

20090243534

2009-10-01

Motor drive circuit

#88

20090189556

2009-07-30

Motor drive device and semiconductor integrated circuit device

#89

20090039810

2009-02-12

System for seamless estimation of speed and/or position, including standstill of a permanent magnet rotor of an electric motor

#90

20080231217

2008-09-25

Brushless DC motor control method and brushless DC motor controller

#91

20080224644

2008-09-18

METHOD CAPABLE OF CONTROLLING INITIAL CURRENT FOR DRIVING A MOTOR

#92

20080150460

2008-06-26

Drive arrangement for a portable working machine

#93

20070241705

2007-10-18

Method and arrangement for sensorless operation of an electronically commutated motor

#94

20070216345

2007-09-20

Method of driving fan motor

#95

20060220607

2006-10-05

Motor-driven power steering apparatus

#96

20060113952

2006-06-01

High power density/limited DC link voltage synchronous motor drive

#97

20050216225

2005-09-29

Adaptive position sensing method and apparatus for synchronous motor generator system

#98

20050200327

2005-09-15

Motor control device

#99

20050184690

2005-08-25

Multiphase motors with single point sensing based commutation

#100

20050151502

2005-07-14

Position sensorless drive for permanent magnet synchronous motors

#101

20050073274

2005-04-07

Sensorless motor driving apparatus and driving method addressing prevention of backward rotation

#102

20050012486

2005-01-20

Variable speed drive with a synchronous electric motor

#103

15163450

2017-09-12

Rotor flux angle and torque trajectory control apparatus and methods