摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electric pump driving device capable of discharging consistent pressure even if a pump driving load is changed according to a driving state. <P>SOLUTION: The electric pump driving device comprises a pump for feeding liquid pressure, an electric motor for driving the pump, an electric motor control means for outputting a drive signal to the electric motor, a rotational speed measurement means for measuring the rotational speed of the pump or the electric motor, and a correction means for correcting the driving signal based on the rotational speed measured by the rotational speed measurement means. <P>COPYRIGHT: (C)2007,JPO&INPIT |