| 摘要 |
<p>A method for controlling a flow rate of a pump (10) transporting a liquid being driven by a drive system having a sliding portion, wherein a flow rate is maintained at a minute first flow rate (R1) at an early stage of operation of the pump (10); and subsequently the flow rate is increased to a steady second flow rate (R). With the method, at the early stage of operation of the pump (10), a state is established beforehand in which the pump (10) is kept stable at the minute first flow rate in order for the stick-slip phenomenon not to occur; and because the flow rate of the pump is increased from the state, transition from static friction to kinetic friction does not occur; and thus a disorderly flow rate of the pump (10) due to the stick-slip phenomenon of a motor (12) is suppressed. This makes it possible to attain a stable control of the flow rate at the early stage of operation of the pump (10).</p> |
