| 摘要 |
PROBLEM TO BE SOLVED: To provide a remote supervisory system with high detection sensitivity early and accurately detecting a fault of a supervisory object facility. SOLUTION: The remote supervisory system includes: a sensor information acquisition section for acquiring a sensor value of a supervisory object; a prediction model buildup section that obtains a first correlation between sensor values in a normally operating state, builds up the first correlation as a basic prediction model for detecting a fault, obtains a second correlation between sensor values of parts of the sensors, and builds up the second correlation as a prescribed failure prediction model whose sensing sensitivity is higher in a particular fault of a facility than that of the basic prediction model; and a fault detection section for detecting the presence/absence of the fault of the facility on the basis of a difference between the sensor value to be acquired and the prediction sensor value during a supervisory period. When sensing the fault in the facility on the basis of the basic prediction model, the prediction model buildup section determines combinations of the sensors for maximizing the detection sensitivity with respect to the fault and builds up the prediction model for the prescribed fault with respect to the fault. COPYRIGHT: (C)2006,JPO&NCIPI
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