| 摘要 |
A motor control device detects electric currents on two perpendicular axes and calculates voltage command values on the two perpendicular axes according to deviations between the detected electric currents and target current values respectively, thereby to perform feedback control of a brushless motor equipped with a rotation angle sensor. On the premise that a γ axis, which represents a phase component, and a δ axis, which represents a torque component, become control axes due to an assembly error of the rotation angle sensor, a correction value calculation unit of the motor control device sets an electric current on the γ axis to 0 to establish a no-load steady rotation state and calculates the assembly error from a voltage equation on γ-δ axes.
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