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Analysis and Implementation of Real Time Historical Database of Supervisory Control and Data Aquisition Configration Software

Author: HaoJiaLong
Tutor: WangShuangXin
School: Beijing Jiaotong University
Course: Detection Technology and Automation
Keywords: Configuration software Real-time database Historical database Compression algorithm File structure Memory-mapped files
CLC: TP273.5
Type: Master's thesis
Year: 2009
Downloads: 268
Quote: 4
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Abstract


With the power enterprises to improve the information needs , the real - time database management system has become an important part of the essential power enterprise automation systems . The monitoring configuration system for industrial automation and process monitoring and real-time control applications , and the man-machine interface or data acquisition and control systems for the automation project . Allows the operator to easily monitor configuration software use , intuitive access to real-time data of the scene to monitor the running condition of the site in a timely manner , to quickly find the scene of the equipment failure , and real-time monitoring of the control effect , thus raising labor productivity . Therefore , the configuration software has been widely used in large - scale power generation companies . The design of real-time database system is a key part of the software design group concept , is also part of the difficulty . This article has independent intellectual property rights of the actual power unit configuration software development system based on a historical database system can be applied to real-time the actual unit , based on the overall needs of the real-time database system and configuration software system architecture , design , mainly carried out work as follows: 1. designed a storage density , high utilization of storage space storage file structure ; 2 . innovative reference memory mapped file the technical processing data file read data file I / O read speed; 3. dead compressed compression strategy and an improved rotary door compression algorithm , the data compression and to obtain a good effect . Relying on the subject project has passed user acceptance , the design of real-time database system is fully capable to meet customer demand .

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Automatic control,automatic control system > Computer control, computer control system
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