CONDITION ESTIMATION APPARATUS CONTROL VALVE CONDITION ESTIMATION PROGRAM AND CONDITION ESTIMATION METHOD

摘要

A technique for accurately estimating the state of a control valve is provided. The state estimating device 400 includes the target position and actual position of the first movable part in the control valve for controlling the flow rate of the working fluid according to the position of the first movable part, and the value of the current supplied to the driving part for driving the first movable part. An acquisition unit for acquiring detection information of a data set including do.