Classification method and system for nuclear power plant experience feedback events based on hierarchical cause analysis

Abstract

The invention discloses a classification method and system for nuclear power plant experience feedback events based on a layered cause analysis method. The method includes: receiving event information entered by a management terminal, and using a layered cause analysis method to decompose the cause of the event information to obtain The cause of the event that meets the preset conditions; according to the preset correlation analysis map, classify and count the cause of the event, obtain the frequency of occurrence of the cause of the event and the characteristic value of nuclear safety culture, generate and save the event report; when the frequency of occurrence is greater than the first predicted Set thresholds, trigger alerts, and send event reports to management terminals. The invention can automatically count and classify the cause of the event according to the event, quantify it in relation to the characteristics of nuclear safety culture and feed it back to the management terminal, so that the operator of the nuclear power plant can intuitively observe the weak link in the operation and management of the power plant and obtain a certain frequency of causes and affected nuclear safety culture characteristics, and to take corrective actions before higher-level incidents occur.

Description

technical field [0001] The invention relates to the technical field of nuclear power, in particular to a classification method and system for nuclear power plant experience feedback events based on a layered cause analysis method. Background technique [0002] After the construction of the nuclear power plant is completed and put into operation, some events caused by human error or equipment failure will occur during the operation and maintenance process. The nuclear power plant will usually record these events, find out the cause of the occurrence, and prepare a report for the purpose of It is to accumulate experience and lessons from past incidents, prevent similar incidents from recurring, and maximize the safe and stable operation of nuclear power plants. This process is called operational experience feedback. [0003] Operation experience feedback is divided into internal operation experience feedback and external operation experience feedback. Internal operation experi...

AI Technical Summary

Problems solved by technology

[0004] At present, in the event input link of the operation experience feedback system of nuclear power plants, in addition to basic information such as functional location, location, unit status, date of occurrence, and event definition criteria, the cause of occurrence is only two options: human factor and equipment, which leads to In the output link, only two types of statistical results can be calculated: human factors or equipment.

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