DRUM WASHING MACHINE

摘要

A drum washing machine comprises a drum where laundry is placed, a motor for rotating the drum, current sensing means for sensing the current flowing through the motor, a torque control means for controlling most suitably the torque of the motor by vector-controlling the motor according to the sensed current (S5), and laundry amount deducing means for accelerating the motor with a maximum output torque when the rotational speed of the motor is judged to be within a range from a first rotational speed at which it is deduced that the laundry in the drum starts to drop from the inner surface at the top point when the rotational speed is being reduced to a second rotational speed at which it is deduced that the laundry in the drum starts to stick to the inner surface at the top point when the rotational speed is being increased (S8) and deducing the amount of laundry on the basis of the q-axis current value of the vector control during the acceleration period of time (S13).