US 12,381,502 B2
Home appliance including motor and control method for home appliance
Bumun Jung, Suwon-si (KR); Heunggyun Roh, Suwon-si (KR); Taeho Yoon, Suwon-si (KR); Sangmin Lee, Suwon-si (KR); Namhyoung Kim, Suwon-si (KR); and Namkyu Cho, Suwon-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Aug. 21, 2023, as Appl. No. 18/236,110.
Application 18/236,110 is a continuation of application No. PCT/KR2023/012264, filed on Aug. 18, 2023.
Claims priority of application No. 10-2022-0106340 (KR), filed on Aug. 24, 2022; and application No. 10-2022-0118162 (KR), filed on Sep. 19, 2022.
Prior Publication US 2024/0079983 A1, Mar. 7, 2024
Int. Cl. H02P 23/14 (2006.01); H02P 3/22 (2006.01); H02P 6/24 (2006.01); H02P 6/28 (2016.01); H02P 27/06 (2006.01)
CPC H02P 23/14 (2013.01) [H02P 3/22 (2013.01); H02P 6/24 (2013.01); H02P 6/28 (2016.02); H02P 27/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A control method for a home appliance including a motor that is driven by a driving current, the control method comprising:
receiving a stop signal to stop the motor;
based on receiving the stop signal, performing open brake control that stops supply of the driving current to the motor;
based on a motor phase current of the motor at a start of the open brake control, estimating an initial motor speed of the motor at the start of the open brake control;
based on the estimated initial motor speed, determining a start time point of short brake control that applies a torque in a reverse direction to a rotation direction of the motor; and
performing the short brake control at the determined start time point of the short brake control.