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Wyświetlanie 1-3 z 3
Tytuł:
Design of holonic manufacturing systems
Autorzy:
Van Brussel, H.
Valckenaers, P.
Powiązania:
https://bibliotekanauki.pl/articles/99591.pdf
Data publikacji:
2017
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
holonic manufacturing systems
integration
control
reference architecture
virtual execution
Opis:
The introduction of CIM (Computer Integrated Manufacturing) systems in the 1980s, aiming at integrating automatic workstations into fully automated factories, was not successful. The root causes of this failure were that the subsystems to be integrated were not suitably designed for easy integration into a larger system. This situation stimulated the authors to embark on a research programme on ‘design for the unexpected’. It defined how subsystems have to be designed so that integration into larger systems becomes easier and how such an integrated system can be controlled so that it can cope with change and disturbances. In the paper, the design principles and salient features of holonic manufacturing systems (HMS) are outlined. The PROSA reference architecture, defining the basic structure of any HMS, is described. It is further explained how coordination and control of the HMS is achieved by a holonic manufacturing execution system (HMES), based on the combination of the PROSA reference architecture and a biologically inspired Delegate Multiagent System (DMAS). Finally, the power and universality of the PROSA/DMAS system is demonstrated by some case studies from manufacturing, robotics and open air engineering.
Źródło:
Journal of Machine Engineering; 2017, 17, 3; 5-23
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mini-DCS system programming in IEC 61131-3 structured text
Autorzy:
Rzońca, D.
Sadolewski, J.
Stec, A.
Świder, Z.
Trybus, B.
Trybus, L.
Powiązania:
https://bibliotekanauki.pl/articles/384239.pdf
Data publikacji:
2008
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
mini-DCS system
control program execution
ST language
compiler
IEC 61131-3 standard
virtual processor
Opis:
A prototype environment called CPDev for programming small distributedsmall-distributed control-and-measurement systems in Structured Text language of IEC 61131-3 standard is presented . The environment is open what means that the code generated by the compiler can be executed on different hardware platforms. However, such universal code must be processed by an interpreter, another words by a virtual machine,an interpreter, another words by- a virtual machine, must process such universal code similarly as programs written in Java. The CPDev environment consists of the compiler, simulator and configurer of hardware resources (i.e. communications). They are developed in C# at MS.NET Framework 2.0 platform. CPDev is open allowing the user to create function blocks and libraries. External interface procedures (drivers) can be written by hardware designers and linked with the universal code. Free selection of data types required by different applications is provided. Virtual machine written in ANSI C is dedicated for a particular processor. So far the machines for AVR, MCS-51 and PC have been developed. Programming a mini-DCS system from LUMEL Zielona Góra has been the first application of CPDev.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2008, 2, 3; 48-54
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparison of resource control systems in multi-layer virtual networks
Autorzy:
Dabiński, B.
Petrecki, D.
Świątek, P.
Powiązania:
https://bibliotekanauki.pl/articles/308736.pdf
Data publikacji:
2013
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
Execution Management
MPLS
network virtualization performance
OpenFlow
parallel networks
virtual networks
virtual networks performance
Opis:
This paper describes the performance of various methods of QoS assurance for each connection in an environment composed of virtual networks and dedicate end-to-end connections inside them. The authors worked on the basis of research conducted with the use of the authorial network management system named Executed Management, which uses resources virtualization platforms VMware and Mininet for testing purposes. We briefly describe our system and techniques we used and some alternatives we tested and discarded because of their limitations. Functionality and performance of proposed solution to widespread implemented mechanisms as OpenFlow and MPLS are compared. Reasons for selecting well-known techniques to isolate networks and limit bandwidth on different levels of virtualization are considered. The purpose of this paper is to show out our studies and performance we achieved.
Źródło:
Journal of Telecommunications and Information Technology; 2013, 3; 38-47
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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