Application for backup and restore data of control computers

Uroš Piletič (2012) Application for backup and restore data of control computers. EngD thesis.

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Abstract

In this thesis we focus on solving the problems of backup data and restore of the control computers. With the developed application we want to prevent the loss of key process data in an automated production process and enable fast establishment of the process, after a failure. In case of control computer failure, rapid completion of re-operation is crucial as it prevents or minimizes foregone process and consequently the possibility of damage. The introductory part of the thesis presents the importance of data backup today, and the basic types of backups. The following describes the standard OPC interfaces and illustrates types of OPC interfaces, including OPC DA, which is used to access the data structures and data of control computers. At the end of the introductory part are generally described control computers and Siemens control computer used during development. The essential part lists used tools and technologies used during development and further describes development of software solution through analysis, design and development. The main part includes presentation of developed software solution, and describes structure and implementation of it. The final part of this thesis includes description of difficulties, which appeared during development and possible upgrades and improvements of developed software solution.

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