| 摘要 |
<P>PROBLEM TO BE SOLVED: To control the operation of a motor systems, while estimating precisely an induced voltage constant of the motor equipped with two rotors, and a phase difference between both rotors. <P>SOLUTION: The controller includes current detection means 41, 42, 61 to detect current of an armature coil of the motor 1, voltage detection means 43, 44, 54 to detect voltage of the armature coil, a rotation speed detection means 51 to detect rotation speed of an output shaft 3 of the motor 1, and characteristics parameter estimation means 55, 56 to obtain an estimated value of the phase difference θd between both rotors 3, 4 as a characteristics parameter of the motor 1, or an estimated value of the induced voltage constant, based on the output of these detection means. <P>COPYRIGHT: (C)2010,JPO&INPIT |
