| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a plant accident time operation support system for estimating an event while reflecting states of a plant changing over time at a time of a plant accident in the event.SOLUTION: According to the present invention, a plant accident time operation support system comprises: an event narrowing device narrowing down candidates of an event that occurs based on at least one of a sensor signal, a device state signal, and an alarm signal as well as a discrimination rule; an event analysis device analyzing a plant behavior based on a plurality of event narrowing results output from the event narrowing device, the sensor signal, the device state signal, and the alarm signal; and an event estimation device comparing an analysis result of analyzing a process state output from the event analysis device with the sensor signal and estimating the event that occurs, and the event estimation device outputs the analysis result for the process state corresponding to the event that occurs and the sensor signal as an event estimation result.</p> |
