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http://dx.doi.org/10.9708/jksci.2016.21.5.057

Research on Railway Safety Common Data Model and DDS Topic for Real-time Railway Safety Data Transmission  

Park, Yunjung (Korea Railroad Research Institute)
Kim, Sang Ahm (Korea Railroad Research Institute)
Publication Information
Journal of the Korea Society of Computer and Information / v.21, no.5, 2016 , pp. 57-64 More about this Journal
Abstract
In this paper, we propose the design of railway safety common data model to provide common transformation method for collecting data from railway facility fields to Real-time railway safety monitoring and control system. This common data model is divided into five abstract sub-models according to the characteristics of data such as 'StateInfoMessage', 'ControlMessage', 'RequestMessage', 'ResponseMessage' and 'ExtendedXXXMessage'. This kind of model structure allows diverse heterogeneous data acquisitions and its common conversion method to DDS (Data Distribution Service) format to share data to the sub-systems of Real-time railway safety monitoring and control system. This paper contains the design of common data model and its DDS Topic expression for DDS communication, and presents two kinds of data transformation case studied for verification of the model design.
Keywords
Data Modeling; Data Distribution Service; Railway Safety; Real-time Monitoring and Control;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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