| 摘要 |
PROBLEM TO BE SOLVED: To provide a motor driving apparatus and method capable of decreasing power consumption by readjusting a preset duty ratio according to a voltage level of driving power.SOLUTION: The motor driving apparatus and method includes: a driving power detecting unit detecting a voltage level of driving power used to drive a motor; a speed controlling unit adjusting the duty ratio of a PWM signal having a preset duty ratio when the voltage level detected by the driving power detecting unit is equal to or less than the voltage level of a preset reference voltage; a driving controlling unit generating a driving signal having the duty ratio from the speed controlling unit; and a driving unit driving the motor according to the driving signal of the driving controlling unit. |
