公开(公告)号：US20220195655A1

公开(公告)日：2022-06-23

申请号：US17544238

申请日：2021-12-07

Applicant: LG ELECTRONICS INC.

Inventor： Ki Wook LEE ,  Han Su JUNG ,  Kwang Sik KIM

IPC: D06F37/30 ,  D06F34/08 ,  H02P27/06 ,  H02P27/04

Abstract: Disclosed are a motor control apparatus and a motor control method. Specifically, the motor control apparatus includes an inverter part configured to convert a direct current (DC) input into an alternating current (AC) output and provide the AC output to the motor, and a controller configured to control the inverter part in relation to driving of the motor, and the controller controls the inverter part to apply a first pattern voltage having the same phase to the motor and then apply a second pattern voltage having different phases to the motor.

公开(公告)号：US20220216814A1

公开(公告)日：2022-07-07

申请号：US17565908

申请日：2021-12-30

Applicant: LG Electronics Inc.

Inventor： Ki Wook LEE ,  Ha Min SONG ,  Kwang Sik KIM

IPC: H02P6/22 ,  H02P6/182 ,  H02K11/225 ,  D06F34/08 ,  D06F37/30

Abstract: Disclosed is a motor control apparatus including an inverter part configured to convert DC power into AC power and provide the AC power to a motor, and a controller configured to control driving of the motor by using the inverter part, the controller configured to identify a stop position of a rotor in previous driving of the motor, and control the inverter part to apply an input signal of a specific pattern to the motor according to a start of driving the motor, wherein a phase of the input signal of the specific pattern is determined on the basis of the stop position of the rotor. Other example embodiments may be provided.

公开(公告)号：US20220190769A1

公开(公告)日：2022-06-16

申请号：US17547719

申请日：2021-12-10

Applicant: LG ELECTRONICS INC.

Inventor： Kwang Sik KIM ,  Ha Min Song ,  Ki Wook Lee

IPC: H02P27/06 ,  H02P21/18

Abstract: Disclosed is a motor control apparatus, a motor control system, and a motor control method that estimate a stator resistance and a rotor position for sensorless control of a motor.

公开(公告)号：US20200169202A1

公开(公告)日：2020-05-28

申请号：US16620432

申请日：2018-06-05

Applicant: LG Electronics Inc.

Inventor： Kwang Sik KIM ,  Chungill LEE ,  Seokhee CHO

IPC: H02P21/00 ,  H02P27/08 ,  H02P27/16 ,  H02P21/18 ,  H02P21/20 ,  H02P21/22 ,  H02M7/49

Abstract: The present invention relates to a motor driving apparatus and, more specifically, to a motor driving apparatus for selectively performing identical phase overmodulation compensation or minimum distance overmodulation compensation according to a command speed when an output voltage command value of an inverter indicates an overmodulation voltage.

公开(公告)号：US20220195656A1

公开(公告)日：2022-06-23

申请号：US17544271

申请日：2021-12-07

Applicant: LG ELECTRONICS INC.

Inventor： Kwang Sik KIM ,  Han Su JUNG ,  Ha Min SONG

IPC: D06F37/30 ,  D06F34/08 ,  D06F34/10 ,  H02P27/06

Abstract: Disclosed is a clothes treating apparatus and a control method thereof. Specifically, the clothes treating apparatus may include an inverter configured to convert a direct current (DC) input into an alternating current (AC) output and provide the AC output to the motor, and a controller configured to control the inverter in relation to driving of the motor.