Process monitoring and diagnosis device

Abstract

Provided is a process monitoring and diagnosis system which is capable of monitoring states and diagnosing abnormalities in a manner that is easier for operator to understand by detecting signs of changes in states and abnormal states, and linking indexes that a monitoring operator is focused on with MSPCs. The process monitoring and diagnosis system is provided with a process modeling and supply unit (4) and a process monitoring and diagnosis unit (6) to monitor and diagnose processes. The process modeling and supply unit (4): collects time-series data for multiple instrumental variables comprising state quantities and operation quantities of processes to be measured by multiple process sensors in a predetermined cycle; has a unit for collecting and storing data (2) that is kept; and uses the previous time-series data of multiple instrumental variables that have been stored to construct and supply process monitoring models. The process monitoring and diagnosis unit (6) monitors process states and detects state changes and abnormal signs by using online data extracted from the unit for collecting and storing data (2) and the process monitoring models that have been constructed.

Description

technical field [0001] The present invention relates to a process monitoring and diagnosing device, which has a diagnostic algorithm capable of detecting state changes or abnormal omens of process systems such as sewage treatment process, drainage treatment process, sludge digestion process, water purification process, water supply and distribution process, chemical process, etc. . Background technique [0002] In the operation management of water treatment / water utilization processes such as sewage treatment processes, sludge digestion processes, water purification processes, and water supply and distribution processes, petrochemical processes, and semiconductor manufacturing processes, it is required to have the ability to achieve the specified target performance of the process. Basically bring energy saving, cost saving application. [0003] Here, as an example of specifying target performance, compliance with discharge water quality standards can be cited in the sewage ...

AI Technical Summary

Problems solved by technology

[0009] This advanced condition monitoring / abnormality diagnosis method has been pioneered in petrochemical process fields, etc., but has not been widely used in sewage process, etc. fields.

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