Heterarchical control systems for production cells - a case study

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    Abstract

    Most control systems of flexible production cells have a hierarchical structure. They become very complicated and difficult to maintain and modify when the underlying production cells grow in size and complexity. Moreover, they are characterized by a relatively high sensitivity to failures. As opposed to that, heterarchical control systems are flexible, modular, easy to modify, and to some extent fault tolerant. In this paper, a heterarchical control system of a flexible production cell is formally specified in the CSP-based language chi . This language is well suited for the description of autonomous components cooperating with each other by exchanging information
    Original languageEnglish
    Title of host publicationManufacturing systems : modelling, management and control, MIM'97 : a proceedings volume from the IFAC workshop, Vienna, Austria, 3-5 February 1997
    EditorsP. Kopacek
    Place of PublicationOxford, UK
    PublisherPergamon
    Pages213-218
    ISBN (Print)0-08-042616-6
    Publication statusPublished - 1997

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