Patent ID: 11952700
Assignee: GUANGDONG WELLING MOTOR MANUFACTURING CO., LTD.
Field: Other consumer goods (Other fields)
Classification: CPC D | IPC D

Claim 0:
1. An apparatus for controlling a drum washing machine comprising a drum and a motor, the apparatus comprising:
a memory configured to store a program including program code; and
a processor configured to execute the program stored in the memory to:
acquire an average starting power of the drum, by acquiring a starting power of the drum over a duration of time from starting the drum and integrating the starting power for the duration of time to acquire the average starting power;
acquire a load range to which a current load of the drum belongs, according to the average starting power of the drum by
accessing a pre-stored corresponding relationship between each of a plurality of thresholds for the average starting power and a corresponding one of a plurality of load ranges,
judging whether the average starting power is smaller than a first threshold,
in response to judging that the average starting power is smaller than the first threshold, selecting a first load range of the plurality of load ranges as the load range to which the current load of the drum belongs,
in response to judging that the average starting power is not smaller than the first threshold, judging whether the average starting power is smaller than a second threshold, and
in response to judging that the average starting power is smaller than the second threshold, selecting a second load range of the plurality of load ranges as the load range to which the current load of the drum belongs;

set a velocity fluctuation threshold for weighing protection according to the load range to which the current load of the drum belongs by
accessing a pre-stored corresponding relationship between each of the plurality of load ranges and a corresponding one of a plurality of velocity fluctuation thresholds,
wherein each of the plurality of velocity fluctuation thresholds for weighing protection is smaller than a predetermined maximum weighing safety eccentric velocity fluctuation corresponding to a maximum load in the corresponding each of the plurality of load ranges, and the predetermined maximum weighing safety eccentric velocity fluctuation corresponds to a maximum weighing safety eccentric mass for entering a load weighing process; and

control the motor to rotate the drum based on the velocity fluctuation threshold.