Maintenance time determination device, deterioration prediction system, deterioration prediction method, and recording medium

摘要

The prediction data input unit 90 inputs prediction data that is one or more explanatory variables that are information that can affect the deterioration of the object. The component determination unit 91 has a hierarchical hidden structure in which hidden variables are represented by a tree structure, and a component representing a probability model is arranged at a lowermost node of the tree structure, and a branch is made at the node of the hierarchical hidden structure. Based on the gate function that determines the direction and the prediction data, the component to be used for the deterioration prediction of the object is determined. The deterioration prediction unit 92 predicts deterioration of the target object based on the component determined by the component determination unit 91 and the prediction data.