ClassID:

218203

H02P5/74 - CPC Classification

Classification description:

Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more ac dynamo-electric motors

Sub-classes:
Recent Application in this class:
#1
20260142597
2026-05-21

MOTOR STARTING METHOD AND MOTOR STARTING CIRCUIT

#2
20260097661
2026-04-09

ELECTRIC MOTOR CONTROL APPARATUS AND VEHICLE

#3
20260088738
2026-03-26

ELECTRIC VEHICLE

#4
20250360820
2025-11-27

FOUR-WHEEL DRIVE ELECTRIFIED VEHICLE WITH CHARGING SYSTEM UTILIZING MOTOR AND MULTIPLE INVERTERS

#5
20250296689
2025-09-25

FAST THRUST RESPONSE USING OPTIMAL POWER SPLITTING IN HYBRID ELECTRIC AIRCRAFT

#6
20250293627
2025-09-18

HYBRID ELECTRIC AIRCRAFT PROPULSION SYSTEM AND METHOD

#7
20250289653
2025-09-18

SYSTEM AND METHOD FOR ELECTRONIC POWER TAKE-OFF CONTROLS

#8
20250279739
2025-09-04

SYSTEM FOR MULTI-VARIABLE FLUX MEMORY MOTOR CONFIGURATION

#9
20250274061
2025-08-28

PULSED CONTROL OF MULTIPLE ELECTRIC MACHINES

#10
20250223781
2025-07-10

WORKING VEHICLE

#11
20250192699
2025-06-12

ELECTRIC DRIVE SYSTEM

#12
20250141372
2025-05-01

MOTOR CONTROL METHOD

#13
20250132700
2025-04-24

MOTOR SYSTEM

#14
20250129749
2025-04-24

AIRCRAFT ENGINE START USING MULTIPLE COMMON MOTOR CONTROLLERS

#15
20250121806
2025-04-17

ELECTRONIC CONTROL UNIT FOR ELECTRIC BRAKE SYSTEM, AND ELECTRIC BRAKE SYSTEM AND VEHICLE INCLUDING SAME

#16
20250091451
2025-03-20

CRAWLER VEHICLE AND CONTROL METHOD TO CONTROL SAID CRAWLER VEHICLE

#17
20250062705
2025-02-20

METHOD AND APPARATUS FOR DRIVING PLURALITY OF MOTORS HAVING PARAMETER DIFFERENCES

#18
20250038682
2025-01-30

METHOD FOR SYNCHRONOUSLY CONTROLLING TWO MOTORS

#19
20240389811
2024-11-28

ROBOT CLEANER FOR CLIMBING AND CLEANING STAIRS

#20
20240375695
2024-11-14

CONTROL DEVICE, ELECTRICAL RAILWAY VEHICLE, AND CONTROL METHOD

#21
20240372489
2024-11-07

PULSED ELECTRIC MACHINE CONTROL WITH NOTCHED FILTER

#22
20240336150
2024-10-10

POWER SUPPLY SYSTEM OF AIRCRAFT AND CONTROL METHOD THEREOF

#23
20240313674
2024-09-19

ELECTRIC TRACTION SYSTEM

#24
20240313673
2024-09-19

CLUTCH CONTROL APPARATUS

#25
20240301780
2024-09-12

Hydraulic Fracturing Equipment With Non-Hydraulic Power

#26
20240300350
2024-09-12

BATTERY ELECTRIC VEHICLE

#27
20240280009
2024-08-22

Hydraulic Fracturing Equipment With Non-Hydraulic Power

#28
20240268616
2024-08-15

HANDHELD VACUUM CLEANER AND METHOD OF OPERATING THE VACUUM CLEANER

#29
20240235437
2024-07-11

MOTOR CONTROL DEVICE

#30
20240204534
2024-06-20

POWER DISTRIBUTION ASSEMBLY

#31
20240154546
2024-05-09

METHOD FOR OPERATING A DRIVE SYSTEM AND DRIVE SYSTEM FOR CARRYING OUT THE METHOD

#32
20240136959
2024-04-25

MOTOR CONTROL DEVICE

#33
20240120858
2024-04-11

MOTOR CONTROL DEVICE, MOTOR CONTROL METHOD, AND PROGRAM

#34
20240116705
2024-04-11

SYSTEM AND METHOD FOR ELECTRONIC POWER TAKE-OFF CONTROLS

#35
20240116366
2024-04-11

MOTOR DRIVE SYSTEM AND CONTROL METHOD OF SAME

#36
20240092203
2024-03-21

Vehicle charging using a multi-drive system

#37
20240079976
2024-03-07

IMAGE FORMING APPARATUS

#38
20240059187
2024-02-22

Dual traction battery power system with charge balancing circuitry

#39
20240039435
2024-02-01

Motor driving apparatus and method

#40
20230412097
2023-12-21

SYSTEMS AND METHODS FOR CONTROL OF MULTI-PHASE MACHINES

#41
20230336102
2023-10-19

ARRANGEMENT FOR ELECTRIC POWER CONVERSION AND DUAL ELECTRIC DRIVE

#42
20230312084
2023-10-05

AIRCRAFT HIGH-VOLTAGE ACTUATOR CONTROLLER WITH EMBEDDED BIDIRECTIONAL DC/DC CONVERTER

#43
20230303260
2023-09-28

Power supply system, flying object, and method for controlling power supply system

#44
20230299695
2023-09-21

Power control system for switching battery configuration during driving

#45
20230283207
2023-09-07

Hybrid electric vehicle and motor drive apparatus for same

#46
20230278721
2023-09-07

ELECTRIC AIRCRAFT PROPULSION ASSEMBLY AND METHOD

#47
20230271517
2023-08-31

Converter Apparatus for Converting an Operating Current for an Electric Vehicle, Drive Apparatus, and Method for Converting an Operating Current

#48
20230261591
2023-08-17

Regenerative braking system, and electrically driven work vehicle using the same

#49
20230261464
2023-08-17

Method of power transmission

#50
20230253873
2023-08-10

Synchronized multi-inverter system with reduced ripple current in DC link

#51
20230226936
2023-07-20

VEHICLE ELECTRICAL SYSTEM

#52
20230216437
2023-07-06

Power supply system and method for controlling power supply system

#53
20230182578
2023-06-15

Driveline for a vehicle

#54
20230150375
2023-05-18

Motor driving apparatus

#55
20230133000
2023-05-04

System architecture for operation of aircraft flaps

#56
20230117373
2023-04-20

Control device for vehicle

#57
20230114289
2023-04-13

PULSED CONTROL OF MULTIPLE ELECTRIC MACHINES

#58
20230104393
2023-04-06

Clothing treatment apparatus and control method therefor

#59
20230103589
2023-04-06

HIGH HORSEPOWER PUMPING CONFIGURATION FOR AN ELECTRIC HYDRAULIC FRACTURING SYSTEM

#60
20230100619
2023-03-30

Technologies for redundant shaft information feedback in electric machine systems including a resolver

#61
20230094660
2023-03-30

Technologies for redundant shaft information feedback in multi-machine drive systems with multiple resolvers

#62
20230087455
2023-03-23

Electric vehicle and control method thereof

#63
20230083115
2023-03-16

Regenerative energy dissipation control in a multichannel drive

#64
20230027921
2023-01-26

Cart

#65
20230023514
2023-01-26

Cart

#66
20230012536
2023-01-19

Power converter

#67
20230003769
2023-01-05

Current detection device

#68
20220411091
2022-12-29

System and method for balancing at least one parameter to be balanced of an electric motor of a propulsion system

#69
20220396163
2022-12-15

MOTOR UNIT AND MOTOR CONTROL SYSTEM

#70
20220393622
2022-12-08

Motor driving apparatus and method of controlling same

#71
20220371408
2022-11-24

Dual compressor for vehicle

#72
20220352833
2022-11-03

REDUNDANT BRUSHLESS DIRECT CURRENT MOTOR CONTROL SYSTEM AND RELATED METHODS

#73
20220352808
2022-11-03

DC power supply device and servo DC power supply system

#74
20220337068
2022-10-20

Naturally load balanced redundant power conversion system

#75
20220321036
2022-10-06

MOVING OBJECT, CONTROL METHOD, AND COMPUTER-READABLE STORAGE MEDIUM

#76
20220320997
2022-10-06

Buck-converter-based drive circuits for driving motors of compressors and condenser fans

#77
20220302851
2022-09-22

System and method for variable DC bus voltage coupled to inverters

#78
20220286066
2022-09-08

Electric vehicle control device

#79
20220224257
2022-07-14

Rotating body drive system

#80
20220217853
2022-07-07

Universal control module for a reversing contactor

#81
20220200492
2022-06-23

System and method for supplying AC driving voltages to a plurality of electric motors by using a modular energy storage direct converter system

#82
20220200491
2022-06-23

Rotary electric machine control device

#83
20220194566
2022-06-23

NOISE REDUCTION SYSTEM FOR AIR MOBILITY

#84
20220173679
2022-06-02

Driving circuit and driving method of fan motor, cooling device and electronic apparatus using the fan motor

#85
20220173677
2022-06-02

Hybrid electric propulsion system and method of operation

#86
20220173674
2022-06-02

Image forming apparatus having reduced power consumption

#87
20220139659
2022-05-05

Modular switch apparatus for controlling at least one electric drive

#88
20220131485
2022-04-28

Generator pulley system and methods thereof

#89
20220115968
2022-04-14

Power conversion system

#90
20220103098
2022-03-31

Systems and methods of multi-motor regenerative drive

#91
20220097963
2022-03-31

System and method for electronic power take-off controls

#92
20220094284
2022-03-24

Motor control device

#93
20220077806
2022-03-10

Motor drive device and air conditioner

#94
20220077800
2022-03-10

Adjustment support device, servo driver, control parameters adjustment method for plurality of servo motors, and program

#95
20220063418
2022-03-03

System and method of determining a representative measurement from multiple independent measurements of electric machine speed

#96
20220052626
2022-02-17

System and method of inverter control

#97
20220045632
2022-02-10

MULTI-MOTOR CONVERTER

#98
20220029571
2022-01-27

Power feed control system and power feed control method

#99
20220029569
2022-01-27

System for controlling a plurality of synchronous permanent magnet electronically commutated motors

#100
20220024321
2022-01-27

Rectifier based power switch

#101
20220021322
2022-01-20

MOTOR DRIVE CONTROL DEVICE, MOTOR DRIVE CONTROL SYSTEM, AND MOTOR DRIVE CONTROL METHOD

#102
20220021318
2022-01-20

Motor control device and air-conditioning device

#103
20220021317
2022-01-20

Rotary electric machine, rotary electric machine drive device, and rotary electric machine drive system

#104
20220019711
2022-01-20

Assistance device and design assistance program

#105
20210408956
2021-12-30

Motor driving device

#106
20210376776
2021-12-02

Electric motor drive system for a vehicle

#107
20210359634
2021-11-18

Motor driving apparatus and air conditioner using the same

#108
20210359618
2021-11-18

System including a first inverter and a second inverter, and method for operating the system

#109
20210341200
2021-11-04

Electric control assembly and air conditioner

#110
20210331783
2021-10-28

Propeller driving unit

#111
20210328527
2021-10-21

Method and control system for controlling an electric motor

#112
20210305921
2021-09-30

Motor driving apparatus and refrigeration cycle equipment

#113
20210305920
2021-09-30

Electric motor drive system for a vehicle

#114
20210297016
2021-09-23

Motor driving apparatus

#115
20210285793
2021-09-16

Motor control systems for multiple motor drives

#116
20210281208
2021-09-09

Variable speed drive with secondary windings

#117
20210281196
2021-09-09

AIR CONDITIONER

#118
20210281195
2021-09-09

Motor control device

#119
20210254266
2021-08-19

Clothing treatment apparatus and control method therefor

#120
20210245608
2021-08-12

Vehicle power supply system

#121
20210238920
2021-08-05

Motorized window treatment

#122
20210234490
2021-07-29

Control method for a motor system and a control device for a motor system

#123
20210214094
2021-07-15

Aircraft propulsion system

#124
20210211075
2021-07-08

Electronic control device

#125
20210206425
2021-07-08

Control device for electric power steering device

#126
20210194397
2021-06-24

Optimized operation of a machine having a plurality of drives

#127
20210194396
2021-06-24

Motor drive device and motor drive method

#128
20210194395
2021-06-24

Electric-power conversion apparatus

#129
20210170875
2021-06-10

Electric vehicle, composition of several electric vehicles and method for operating an electric vehicle

#130
20210159820
2021-05-27

Load driving device, refrigeration cycle applicable apparatus, and air conditioner

#131
20210155222
2021-05-27

System and method for two step motor for electric vehicle (EV) truck and commercial vehicle applications

#132
20210152111
2021-05-20

Induction motor overheat monitoring method, induction motor monitoring device, and induction motor control system

#133
20210152106
2021-05-20

SYNCHRONOUS INVERTER

#134
20210095552
2021-04-01

High horsepower pumping configuration for an electric hydraulic fracturing system

#135
20210078429
2021-03-18

Electric powertrain with multi-pack battery system

#136
20210025410
2021-01-28

Method for operating a pressure control device, and pressure control device for carrying out the method

#137
20210024126
2021-01-28

Vehicle-mounted apparatus

#138
20210006185
2021-01-07

Electric motor control device

#139
20210001738
2021-01-07

Four wheel drive vehicle

#140
20200395874
2020-12-17

Control circuit and dishwasher comprising the same

#141
20200343837
2020-10-29

METHOD FOR BRINGING A TEXTILE MACHINE TO A CONTROLLED STANDSTILL AND TEXTILE MACHINE PROVIDED TO BE BROUGHT TO A STANDSTILL ACCORDING TO THAT METHOD

#142
20200343836
2020-10-29

Motor drive apparatus including power storage device

#143
20200317086
2020-10-08

ENERGY TRANSMISSION IN THE ZERO SYSTEM

#144
20200307383
2020-10-01

In-vehicle control apparatus and program

#145
20200254900
2020-08-13

VEHICLE ELECTRIC SUPPLY SYSTEM

#146
20200252011
2020-08-06

Multi-motor operation

#147
20200248923
2020-08-06

Control unit for multiple variable frequency drives

#148
20200231046
2020-07-23

Electrically driven vehicle

#149
20200228042
2020-07-16

Air conditioner

#150
20200228033
2020-07-16

System for controlling motors, and inverter air conditioner

#151
20200223553
2020-07-16

Method and system for recycling motor power of a movable object

#152
20200182706
2020-06-11

Temperature abnormality detection method for power conversion apparatus, and temperature abnormality detection device for power conversion apparatus

#153
20200144684
2020-05-07

Battery heating device

#154
20200112268
2020-04-09

Power conversion device and electric motor drive device using same

#155
20200099324
2020-03-26

Electric-vehicle propulsion control system

#156
20200095854
2020-03-26

HYDRAULIC FRACTURING EQUIPMENT WITH NON-HYDRAULIC POWER

#157
20200091853
2020-03-19

Electric vehicle

#158
20200083823
2020-03-12

Operation of a hybrid electric aircraft propulsion system

#159
20200083791
2020-03-12

Hybrid electric propulsion system and method of operation

#160
20200079521
2020-03-12

Synchronization of generator and electric motor in a hybrid electric aircraft propulsion system

#161
20200079518
2020-03-12

Hybrid electric propulsion system and method of operation

#162
20200079514
2020-03-12

HYBRID ELECTRIC AIRCRAFT PROPULSION SYSTEM AND METHOD

#163
20200055410
2020-02-20

Variable speed rotor with slow rotation mode

#164
20200052627
2020-02-13

Synchronous electric power distribution startup system

#165
20200047897
2020-02-13

Varying quantities of motor poles for noise reduction

#166
20200028443
2020-01-23

Power converter

#167
20200020609
2020-01-16

Power conversion apparatus

#168
20200016982
2020-01-16

Power system of electric vehicle, control method and electric vehicle

#169
20190386594
2019-12-19

MOTOR CONTROL APPARATUS DRIVING ONE MAIN AXIS SWITCHINGLY BY TWO MOTORS

#170
20190379314
2019-12-12

Motor unit and multi-motor system

#171
20190363661
2019-11-28

Drive system and method of operation thereof for reducing DC link current ripple

#172
20190363600
2019-11-28

Motor driving device and motor driving method

#173
20190309583
2019-10-10

Direct Drive Systems

#174
20190301765
2019-10-03

AIR-CONDITIONING APPARATUS

#175
20190299809
2019-10-03

Vehicle power supply system

#176
20190299798
2019-10-03

Vehicle power supply system

#177
20190299788
2019-10-03

Vehicle power supply system

#178
20190288617
2019-09-19

Configuration of a battery of a vehicle having a plurality of drive units

#179
20190288535
2019-09-19

Modulation index improvement by intelligent battery

#180
20190288526
2019-09-19

Vehicle having an energy storage element

#181
20190283611
2019-09-19

Modular battery pack system with series and parallel charging and propulsion modes

#182
20190280634
2019-09-12

MOTOR CONTROL DEVICE AND PROGRAM

#183
20190273453
2019-09-05

Method for braking permanent magnet synchronous motor and related device

#184
20190273408
2019-09-05

High torque motor failsafe operating system

#185
20190267918
2019-08-29

System for controlling a plurality of synchronous permanent magnet electronically commutated motors

#186
20190260324
2019-08-22

Rotary electric device control device and electric power steering device

#187
20190260314
2019-08-22

Multiaxial motor control system

#188
20190252999
2019-08-15

Power conversion device

#189
20190233002
2019-08-01

Motor control system and electric power steering system

#190
20190222159
2019-07-18

Motor drive device including power storage unit, and motor drive system

#191
20190214934
2019-07-11

MOTOR SYSTEM, ANALYSIS DEVICE, AND ELECTRICAL APPLIANCE

#192
20190214931
2019-07-11

Motor vehicle

#193
20190214925
2019-07-11

Stabilizer auto-rotating control method

#194
20190214919
2019-07-11

System including a first inverter and a second inverter, and method for operating the system

#195
20190207542
2019-07-04

Synchronous electrical power distribution system

#196
20190202294
2019-07-04

Electrical traction drive for a vehicle

#197
20190183494
2019-06-20

Handheld electromechanical surgical instruments with improved motor control arrangements for positioning components of an adapter coupled thereto

#198
20190169971
2019-06-06

High horsepower pumping configuration for an electric hydraulic fracturing system

#199
20190168885
2019-06-06

Method and system for recycling motor power of a movable object

#200
20190165702
2019-05-30

Drive circuit for electric motors

#201
20190165701
2019-05-30

Drive circuit for electric motors

#202
20190162789
2019-05-30

Motor driving device and measuring method

#203
20190162773
2019-05-30

Motor driving device and measuring method

#204
20190155255
2019-05-23

Motor controller and methods of wirelessly reprogramming motor controller

#205
20190145681
2019-05-16

Compressor unit, refrigeration circuit comprising the same and method of operating a compressor unit

#206
20190145647
2019-05-16

System, motor controller and associated method

#207
20190131830
2019-05-02

Variable torque electric motor assembly

#208
20190123674
2019-04-25

Power supply assembly and associated method

#209
20190123673
2019-04-25

Method for operating at least one electric machine

#210
20190123665
2019-04-25

Electrical drive system

#211
20190115861
2019-04-18

Power converter and refrigeration air conditioner

#212
20190115858
2019-04-18

Motor drive system including servomotor for buffer including plural windings

#213
20190115759
2019-04-18

Motor drive system including power storage device

#214
20190111913
2019-04-18

Hybrid vehicle

#215
20190092316
2019-03-28

VEHICLE DRIVE DEVICE AND ELECTRIC VEHICLE

#216
20190089288
2019-03-21

Electronic control device and control method thereof

#217
20190081584
2019-03-14

Motor drive control device for a multicopter

#218
20190074779
2019-03-07

Synchronous inverter

#219
20190068089
2019-02-28

MOTOR DRIVE CONTROL DEVICE

#220
20190052216
2019-02-14

Motor control device and machine tool system for controlling motor in accordance with amount of drop in power supply voltage

#221
20190032268
2019-01-31

Laundry processing apparatus and control method thereof

#222
20190010946
2019-01-10

Fluid extraction system and related method of controlling operating speeds of electric machines thereof

#223
20190009691
2019-01-10

System and method for motor system control

#224
20190006967
2019-01-03

Method for detecting load differences

#225
20190006966
2019-01-03

Motor drive system

#226
20180359870
2018-12-13

Power conversion apparatus and method of producing the same

#227
20180358915
2018-12-13

Power converting device

#228
20180358903
2018-12-13

Power converter

#229
20180351486
2018-12-06

Synchronous machine control device and method of controlling the synchronous machine control device

#230
20180348284
2018-12-06

Motor drive apparatus to detect inverter with large leakage current

#231
20180342964
2018-11-29

Controlled stopping method for a textile machine and textile machine stopped by this process

#232
20180338415
2018-11-29

Control systems and methods for electric drive utility vehicles

#233
20180313568
2018-11-01

Method for outputting constant air volume by multi-motor driving system

#234
20180312160
2018-11-01

Hybrid vehicle and control method therefor

#235
20180309297
2018-10-25

Power converter and an electric power system

#236
20180287520
2018-10-04

Circuit for selectively supplying motors with energy

#237
20180287392
2018-10-04

Power generator system

#238
20180272871
2018-09-27

Regenerative braking device and dump truck

#239
20180269818
2018-09-20

Synchronous electric power distribution startup system

#240
20180269811
2018-09-20

Power system and motor driving apparatus included in power system

#241
20180251036
2018-09-06

Drive system and method of operation thereof for reducing DC link current ripple

#242
20180242517
2018-08-30

Adjustable row unit and vehicle with adjustable row unit

#243
20180206357
2018-07-19

Power inverter with balanced power flow for multiple electrical machines

#244
20180183376
2018-06-28

Air conditioner

#245
20180167002
2018-06-14

Synchronous inverter

#246
20180162233
2018-06-14

Drive system and vehicle

#247
20180154930
2018-06-07

Motor drive and control circuit for electric power steering

#248
20180145615
2018-05-24

Variable frequency drive motor control

#249
20180145614
2018-05-24

Motor driving device and application apparatus

#250
20180131108
2018-05-10

Motor drive device

#251
20180123384
2018-05-03

Power storage and supply method and system for a drilling rig

#252
20180118356
2018-05-03

Combined AC and DC turboelectric distributed propulsion system

#253
20180109207
2018-04-19

Multi-axis motor control system, motor control apparatus, and motor control method

#254
20180102718
2018-04-12

Multiple electromechanical actuator control system

#255
20180091079
2018-03-29

Inverter control device and air conditioner

#256
20180085915
2018-03-29

Medical observation apparatus, medical observation system, and control method

#257
20180080453
2018-03-22

Backpack-type blower

#258
20180079518
2018-03-22

Method and system for recycling motor power of a movable object

#259
20180079515
2018-03-22

Aircraft propulsion system

#260
20180076743
2018-03-15

Methods and apparatus to perform torque balance control of co-shafted motors

#261
20180065645
2018-03-08

Rail vehicle, method for driving a rail vehicle and method for producing a rail vehicle

#262
20180062547
2018-03-01

Systems and methods for reducing DC link voltage dynamics with limited energy storage element

#263
20180056793
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