By Topic

IEEE Network

Issue 3 • Date May 1988

Filter Results

Displaying Results 1 - 12 of 12
  • Communications for manufacturing: an overview

    Publication Year: 1988, Page(s):6 - 13
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (866 KB)

    Computer-integrated manufacturing (CIM) is introduced, and the communications needed to support CIM applications described. The GMT400 project, a CIM experiment which is intended to investigate the applicability of MAP (manufacturing automation protocol) technology in automotive manufacturing, is presented. Several other development projects in the CIM area are identified. Research and development... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Computer integrated manufacturing: a structural perspective

    Publication Year: 1988, Page(s):14 - 22
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (781 KB)

    The main components and functional areas of a typical computer-integrated manufacturing (CIM) system are examined. The database structures needed to support integrated industrial applications are discussed. Key issues in applying manufacturing communications are addressed. The impact of machine layout on manufacturing communication is considered.<> View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • MAP/TOP in CIM distributed computing

    Publication Year: 1988, Page(s):23 - 31
    Cited by:  Papers (16)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (828 KB)

    The distributed computing communication needs of computer-integrated manufacturing (CIM) are discussed. The capabilities of MAP/TOP (manufacturing automation protocol/technical and office protocol) as a communications architecture are examined. An example of how MAP/TOP operates in a hypothetical CIM enterprise is presented.<> View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • On fault tolerance in manufacturing systems

    Publication Year: 1988, Page(s):32 - 39
    Cited by:  Papers (15)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (854 KB)

    The physical and control structure of manufacturing systems is described, and a hierarchical model for supporting fault tolerance is proposed. The main advantage of the model is that it allows different fault tolerance and recovery techniques to be used in different segments of the network. To help in the choice of specific techniques in particular network segments, a set of metrics to evaluate fa... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Networking for computer-integrated manufacturing

    Publication Year: 1988, Page(s):40 - 47
    Cited by:  Papers (27)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (751 KB)

    The concept of a CIM (computer-integrated manufacturing) networking architecture for integration of factory and office communications is introduced. Some potential problems in CIM networking and approaches for their solution are elucidated. A simulation methodology is presented for evaluating the performance of integrated networks with different protocols and architectures and under diverse operat... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • The hierarchy of communication networks in the programmable assembly cell: an experimental framework

    Publication Year: 1988, Page(s):48 - 54
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (510 KB)

    The concept of the programmable assembly cell is introduced. The idea of the distribution is adopted at machine level, and the use of independent intelligent actuators is described. The novel types of communication problems caused by this high-level distribution are examined. A hierarchical communication subsystem consisting of in-cell and in-machine communication networks is presented as a soluti... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Time critical communication networks: field buses

    Publication Year: 1988, Page(s):55 - 63
    Cited by:  Papers (92)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (812 KB)

    The introduction of field buses to replace the traditional wiring of sensors and actuator to programmable controllers is discussed. After a brief summary of the advantages presented by field buses, the features of the interconnected devices, and the requirements that these networks must fulfill are examined. A description is given of PHOEBUS, a prototype field bus developed for a machine tool. Thi... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Wireless communications in the automated factory environment

    Publication Year: 1988, Page(s):64 - 69
    Cited by:  Papers (19)  |  Patents (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (621 KB)

    The networking issues involved in the use of infrared communications in a factory environment are described. A brief history of the use of infrared and radio for indoor (factory environment) communications is given, and the physical infrared environment is reviewed. Topology and protocol alternatives are compared.<> View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Fiber optic LANs for the manufacturing environment

    Publication Year: 1988, Page(s):70 - 74
    Cited by:  Papers (2)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (480 KB)

    The physical layer requirements for local area networks (LANs) that satisfy the set of environmental requirements unique to factory automation applications are discussed. In many cases these requirements are best met with fiber-optic LANs compatible with the IEEE 802.3 (CSMA/CD) or 802.4 (token bus) network standards. Implementation of a passive fiber-optic star-coupler-based LAN is presented in t... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Performance measurement of data transfer services in MAP

    Publication Year: 1988, Page(s):75 - 81
    Cited by:  Papers (22)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (645 KB)

    The emergence of the enhanced performance architecture, which provides the application process with direct access to a fast datalink datagram service provided by the full MAP (manufacturing automation protocol), is discussed. An explanation is given of the functional differences between the two service types and why both are useful in the manufacturing environment. It is shown that message segment... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Performance of a MAP network adapter

    Publication Year: 1988, Page(s):82 - 89
    Cited by:  Papers (12)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (695 KB)

    An empirical analysis of a MAP (manufacturing automation protocol) is provided. Performance metrics, such as throughput and elapsed time, that were measured in a number of configurations, are presented. A detailed regression analysis of the factors affecting performance is given, along with some guidelines for improving performance. Practical examples of solving real-world factory communication pr... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Performance analysis of type 3 LLC in industrial 802.5 nets

    Publication Year: 1988, Page(s):90 - 96
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (552 KB)

    Some performance results obtained by simulating the behavior of a local area network based on the IEEE 802.5 standard are presented. The simulation model has been designed to evaluate the mean response time observed by the user of the LLC (logical link control) service, instead of measuring the turnaround time experienced by the medium access control user; i.e. the performance index is the average... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.

Aims & Scope

As currently defined, IEEE Network covers the following areas: 1. network protocols and architectures, 2. Protocol design and validation, 3. Communication software and its development and test, 4. Network control and signalling, 5. network management, 6. Practical network implementations including local area networks, (LANs), metropolitan area networks (MANs), and wide  area networks, (WANs), 7. Switching and processing in integrated (voice/data) networks and network components, 8. Micro-to-host communication.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief

Nei Kato
Tohoku University, Japan
kato@it.is.tohoku.ac.jp