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Design of History Database for Networked Control Systems

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3 Author(s)
Zhu Youzhi ; Chinese Acad. of Sci., Beijing ; Peng Peng ; Zheng Geng

History database is used to facilitate the high-performance storage and retrieval of history data which is very valuable in areas like process and manufacturing industries. Networked control systems(NCS) are different from traditional control systems in that they have network inside their control loops. This paper introduced the design of history database which is a part of a novel NCS implementation platform-NetCon system. System architecture is designed for the history database. After that a configurable two stage history data compression/decompression algorithm is introduced for the store and restore of history data. The first stage compression is the preprocess step and the second stage offers some universal lossless byte flow compression algorithms. In order to enable an efficient data retrieval, the storage structure of history data is designed.

Published in:

Control Conference, 2007. CCC 2007. Chinese

Date of Conference:

July 26 2007-June 31 2007