Device and method for time synchronization in distributed control system

A method for time synchronization in a distributed control system includes the steps of: when a sync is received from a master-side, confirming both a reception time point of the corresponding sync and a compensation time point of a previous frequency, and determining if a result obtained by confirm...

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Bibliographic Details
Main Authors Wang, Si-Hai, Cho, Jae-Hun, Hwang, Seong-Taek, Kim, Hoon
Format Patent
LanguageEnglish
French
German
Published 22.08.2018
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
MULTIPLEX COMMUNICATION
PHYSICS
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Summary:A method for time synchronization in a distributed control system includes the steps of: when a sync is received from a master-side, confirming both a reception time point of the corresponding sync and a compensation time point of a previous frequency, and determining if a result obtained by confirming the two time points corresponds to a preset Frequency Compensation Interval (FCI); performing only a time offset compensation operation when the result obtained by confirming the two time points does not correspond to the preset FCI; and performing both time offset and frequency compensation operations when the result obtained by confirming the two time points corresponds to the preset FCI.
Bibliography:Application Number: EP20070105955