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

A technology of real-time data processing and data analysis, applied in the direction of program control and electrical program control in sequence/logic controllers, can solve the problems of incomplete acquisition of process real-time data, inability to monitor real-time data processors, etc., to ensure data Integrity, preventing data loss, and reducing the effect of system performance

Active Publication Date: 2013-04-03
GUODIAN NANJING AUTOMATION
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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 rea

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

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Embodiment Construction

[0031] In order to clarify the technical scheme and technical purpose of the present invention, the present invention will be further introduced below in conjunction with the accompanying drawings and specific implementation methods.

[0032] The multi-task real-time data processing system of the present invention and the method for data recording and data analysis thereof are realized by the following schemes:

[0033] In addition to the real-time data processing system of the present invention, in addition to the on-site control field data processor for real-time data collection, there is also an off-line analysis data processor used for data analysis alone, and the off-line analysis data processor can be downloaded by copying or FTP. The way to communicate with the control field data processor.

[0034] The control field data processor is provided with an external flash disk, which is used as a process data record storage area, and a data record switch variable is set in th...

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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...

Claims

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Application Information

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IPC IPC(8): G05B19/04
Inventor 王鹏杨卫民王荣兴董胜刚
Owner GUODIAN NANJING AUTOMATION
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