ClassID:

218381

H02P21/143 - CPC Classification

Classification description:

Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation; Estimation or adaptation of machine parameters, e.g. flux, current or voltage Inertia or moment of inertia estimation

Recent Application in this class:
#1
20250112573
2025-04-03

Motor Control Device and Method for Automatic Adjustment Thereof

#2
20250070702
2025-02-27

ELECTRIC TOOL AND CONTROL METHOD

#3
20230405875
2023-12-21

A HAND-HELD ELECTRICALLY POWERED CUT-OFF TOOL WITH A KICKBACK MITIGATION FUNCTION

#4
20230396056
2023-12-07

Hand-held electrically powered cut-off tool with a kickback mitigation function

#5
20230390963
2023-12-07

A HAND-HELD ELECTRICALLY POWERED CUT-OFF TOOL WITH A KICKBACK MITIGATION FUNCTION

#6
20220393626
2022-12-08

Method of speed control based on self-learning model of load torque and moment inertia

#7
20190158006
2019-05-23

Motor control device and method of controlling motor

#8
20190093623
2019-03-28

Method for controlling a wave-energy system by determining the excitation force applied by waves incident upon a moving part of the said system

#9
20180083562
2018-03-22

Drive apparatus with moment of inertia estimation

#10
20170104431
2017-04-13

Control device for AC rotating machine

#11
20170045870
2017-02-16

Method and system for estimating operation parameters of a servomotor

#12
20170040916
2017-02-09

Motor control device and motor control method

#13
20150260159
2015-09-17

Wind turbine inertia control system

#14
20140028224
2014-01-30

Motor control device

#15
20130257339
2013-10-03

Real-time servo motor controller based on a load weight

#16
20130047724
2013-02-28

Method and apparatus for determining change in mass of fan impeller

#17
20130026963
2013-01-31

Electric motor controller comprising function for simultaneously estimating inertia, friction, and spring

#18
17532938
2024-12-03

Pipe inspection and/or mapping camera heads, systems, and methods