Spatio-Temporal Event Model for Cyber-Physical Systems

Ying Tan, Mehmet C. Vuran, Steve Goddard

Research output: Contribution to conferencePaperpeer-review

112 Scopus citations

Abstract

The emerging Cyber-Physical Systems (CPSs) are envisioned to integrate computation, communication and control with the physical world. Therefore, CPS requires close-interactions between the cyber and physical worlds both in time and space. These interactions are usually governed by events, which occur in the physical world and should autonomously be reflected in the cyber-world, and actions, which are taken by the CPS as a result of detection of events and certain decision mechanisms. Both event detection and action decision operations should be performed accurately and timely to guarantee temporal and spatial correctness. This calls for a flexible architecture and task representation framework to analyze CP operations. In this paper, we explore the temporal and spatial properties of events, define a novel CPS architecture, and develop a layered spatio-temporal event model for CPS. The event is represented as a function of attribute-based, temporal, and spatial event conditions. Moreover, logical operators are used to combine different types of event conditions to capture composite events. To the best of our knowledge, this is the first event model that captures the heterogeneous characteristics of CPS for formal temporal and spatial analysis.

Original languageEnglish (US)
Pages44-50
Number of pages7
DOIs
StatePublished - 2009
Event2009 29th IEEE International Conference on Distributed Computing Systems Workshops, ICDCS, 09 - Montreal, QC, Canada
Duration: Jun 22 2009Jun 26 2009

Conference

Conference2009 29th IEEE International Conference on Distributed Computing Systems Workshops, ICDCS, 09
Country/TerritoryCanada
CityMontreal, QC
Period6/22/096/26/09

ASJC Scopus subject areas

  • Software
  • Hardware and Architecture
  • Computer Networks and Communications

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