| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a voltage conversion control device for a motor which performs stable voltage conversion control even when an input DC voltage to a motor pulsates. <P>SOLUTION: A motor voltage conversion control device 16 for controlling a voltage conversion circuit 12 for converting a DC voltage of a power supply 10 to an input DC voltage to a motor 15 between a motor control circuit 14 for controlling the motor 15 and the power supply 10 includes: sampling means 13, 16h, 16i for detecting a voltage across a capacitor 13 to sample the voltage-converted input DC voltage; sampling timing generation means 16g for generating a sampling timing TS of the input DC voltage according to a gate signal GS for motor control; and control means 16d for performing voltage conversion control using the input DC voltage sampled by the sampling means 13, 16h, 16i in response to the sampling timing TS at every sampling timing request DS of voltage conversion control. <P>COPYRIGHT: (C)2013,JPO&INPIT |
