Patent ID: 8836261

Claim:
A detection control system for a motor, the motor including a rotor and a stator, the rotor including at least a first magnetic pole and at least a second magnetic pole, a chip being disposed between the rotor and a stator; when the rotor rotates, the first magnetic pole passes by the chip in a first period of time, the second magnetic pole passes by the chip in a second period of time and the polarity of a third magnetic pole of the stator is simultaneously alternated with the polarity of a fourth magnetic pole with an alternating time, the detection control system comprising: a sensing unit electrically connecting the motor, the sensing unit detecting situations of the first magnetic pole and the second magnetic pole passing by the chip and the third magnetic pole being alternated with the fourth magnetic pole so as to generate and send a sensing signal; a control module electrically connecting the sensing unit, the control module including: a detecting unit electrically connecting the sensing unit, the detecting unit detecting a kickback voltage value generated when the first current value corresponding to the third magnetic pole is alternated with a second current value corresponding to the fourth magnetic pole, the detecting unit calculating a minimum current value according to the kickback voltage value and generating a detecting signal; a timing unit electrically connecting the sensing unit and the detecting unit, the timing unit receiving the sensing signal and the detecting signal to calculate the first period of time and the second period of time and to calculate a discharging time of the first current value being discharged to the minimum current value; and a control unit electrically connecting the timing unit, the control unit controlling the alternating time according to the first period of time, the second period of time and the discharging time so as to generate and send a control signal; and a driving module electrically connecting the motor and the control unit, the driving module receiving the control signal so as to drive the rotor.