Multitask real-time data processing system and data recording and data analyzing method

Abstract

The invention discloses a multitask real-time data processing system and a data recording and data analyzing method in industrial process control. An off-line analysis data processor independently used for data analysis is arranged in industrial process control and in data communication with a control field data processor by means of copying or downloading. The control field data processor is provided with a process data recording memory area, time labels are recorded during data recording, and when the off-line analysis data processor is used for post disturbance review, process data of corresponding moments can be led into for analysis from the process data recording memory area. By the aid of the multitask real-time data processing system and the data recording and data analyzing method, field data can be recorded timely and accurately, the defect of difficulty in guaranteeing of data integrity of a traditional SCADA (supervisory control and data acquisition) system due to influences of communication response delay and the like. The data analysis system has the advantages of simplicity in implementation, functional completeness, stability in operation and reliability in performance.

Description

technical field [0001] The invention belongs to the field of industrial automation control, and in particular relates to the recording of process data in a real-time control system, and a realization method of performing off-line data analysis on the data recording. Background technique [0002] With the development of semiconductor technology, computer technology and communication technology, the real-time control system, as the "brain" of production process control, has been more and more widely used in the fields of energy, petrochemical, automobile and other industrial control, and has become an important part of industrial production process automation. Essential intelligent control system equipment. [0003] The real-time data processor is the core part of the real-time control system, whether it is DCS (Distributed Control System), PLC (Programmable Logic Controller), FCS (Fidlebus Control System) or other intelligent devices , the real-time data processor is respons...

AI Technical Summary

Problems solved by technology

Usually, the real-time data processor transmits the input / output variables and important process parameters in the internal operation process to the HMI or SCADA database for storage and analysis by means of communication, but due to the rapid change of process real-time data in the real-time control system As well as the delay of communication response, HMI and SCADA cannot completely obtain the real-time data of the process. At the same time, many applications cannot use HMI or SCADA to monitor the real-time data processor

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