Drum washing machine, and control method and apparatus for same

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.