Extending service model to build an effective service composition framework for cyber-physical systems

J. Huang*, F. Bastani, I. L. Yen, J. Dong, W. Zhang, Feng-Jian Wang, H. J. Hsu

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

34 Scopus citations

Abstract

Cyber-Physical Systems (CPSs) are combinations of physical entities controlled by software systems to accomplish specified tasks under stringent real-time and physical entity constraints. As more and more physical entities are equipped with embedded computers, they are becoming more and more intelligent. However, the problem of effectively composing the services provided by cyber and physical entities to achieve specific goals still remains a challenge. Traditional service-oriented models and composition techniques are insufficient for CPS. In this paper, we present a novel Physical-Entity (PE) service-oriented model to address the problem, including the concepts of PE-ontology and PE-SOA specifications. Based on the model, we develop a two-level compositional reasoning approach, which divides the process into abstract and physical levels to expedite the composition process. With the assistance of the PE-ontology and PE-SOA, abstract level reasoning is performed by hiding the physical level details. This separation greatly reduces the search space for both levels through a divide-and-conquer technique. The model and the composition approach are illustrated using a simplified emergency response case study system.

Original languageEnglish
Title of host publicationIEEE International Conference on Service-Oriented Computing and Applications, SOCA' 09
Pages130-137
Number of pages8
DOIs
StatePublished - 1 Dec 2009
EventIEEE International Conference on Service-Oriented Computing and Applications, SOCA' 09 - Taipei, Taiwan
Duration: 14 Dec 200915 Dec 2009

Publication series

NameIEEE International Conference on Service-Oriented Computing and Applications, SOCA' 09

Conference

ConferenceIEEE International Conference on Service-Oriented Computing and Applications, SOCA' 09
CountryTaiwan
CityTaipei
Period14/12/0915/12/09

Keywords

  • AI planning techniques
  • Cyber-physical systems
  • Service composition
  • Service-oriented architecture

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