| 摘要 |
<P>PROBLEM TO BE SOLVED: To obtain an apparatus of controlling the torque of a motor in which a controlling processing load is alleviated without loading a new apparatus and without raising a hardware to a high cost and which can suppress a vibration by a simple method. <P>SOLUTION: The apparatus of controlling the torque of the motor includes a current detecting means for detecting the current flowing to the motor, a means for obtaining a γ-axis current and a δ-axis current from the current flowing to the motor, a forward conversion means for calculating the fundamental wave real axis component and the fundamental wave imaginary axis component of the γ-axis current or the δ-axis current, a means for computing the amount of the direct current supply of the real axis component on a complex plane and the amount of the direct current supply of the imaginary axis component by removing the fundamental wave real axis component and the fundamental imaginary axis component of the γ-axis current or the δ-axis current, a rotor position detecting means for specifying the mechanical position of the rotor according to the fundamental wave peak phase by calculating the fundamental wave peak phase of the γ-axis current or the δ-axis current from the amount of the direct current supply of the real axis component and the amount of the direct current supply of the imaginary axis component, and a torque control means for performing the torque control of the motor by using the mechanical position information of the rotor from the rotor position detecting means. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
