| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem of a conventional motor controller that it requires a large capacity of capacitor so as to smooth and stabilize voltage between the output of a boosting circuit and the input of an inverter. <P>SOLUTION: This motor controller 100 is equipped with a DC voltage converting means 110 which converts inputted DC voltage by switching, a motor application voltage generating means 120 which receives the output voltage from the DC voltage converting means 110 and generates voltage to be applied to the motor by switching, and a cooperation control means 130 which controls the cooperation so as to synchronize the timing of an output current and the timing of an input current by cooperatively controlling the switching frequency of the DC voltage converting means 110 and the switching timing of the motor application voltage generating means 120. According to this constitution, it becomes possible to let a pulse-form current outputted from the DC voltage converting means and a pulse-form current needed to be supplied to the motor application voltage generating means flow in the desired timing, and it becomes possible to lessen the capacity of a capacitor 140 needed to be provided between both means by synchronizing the timing this way. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
