| 摘要 |
PURPOSE: An air flow ratio control method for a sole coil type actuator for rotation velocity control induce an induction current of a target value from the sole coil without any influence of atmospheric temperature, thereby equalizing the air flow ratio to be introduced with the target value. CONSTITUTION: An air flow ratio control method for a sole coil type actuator for rotation velocity control includes the steps of computing a reference voltage with relation to a driving duty of an idle rotation velocity control actuator(S1), computing a difference voltage between a feedback voltage from a signal amplification part and the computed reference voltage(S2), outputting a current amendment voltage of the idle rotation velocity control actuator for an initial stage of starting(S3-1,S3-2,S3-3), and outputting a current amendment voltage of the idle rotation velocity control actuator for any other cases than the initial starting stage(S3-1,S4-1 to S4-5).
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