Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.22/3643
Título: Distributed computing for the factory-floor: a real-time approach using WorldFIP networks
Autor: Tovar, Eduardo
Vasques, Francisco
Palavras-chave: Factory-floor communications
Hard real-time systems
WorldFIP Networks
Distributed computer-controlled systems
Data: 2000
Editora: Elsevier
Relatório da Série N.º: Computers in Industry; Vol. 44, Issue 1
Resumo: Field communication systems (fieldbuses) are widely used as the communication support for distributed computer-controlled systems (DCCS) within all sort of process control and manufacturing applications. There are several advantages in the use of fieldbuses as a replacement for the traditional point-to-point links between sensors/actuators and computer-based control systems, within which the most relevant is the decentralisation and distribution of the processing power over the field. A widely used fieldbus is the WorldFIP, which is normalised as European standard EN 50170. Using WorldFIP to support DCCS, an important issue is “how to guarantee the timing requirements of the real-time traffic?” WorldFIP has very interesting mechanisms to schedule data transfers, since it explicitly distinguishes periodic and aperiodic traffic. In this paper, we describe how WorldFIP handles these two types of traffic, and more importantly, we provide a comprehensive analysis on how to guarantee the timing requirements of the real-time traffic.
Peer review: yes
URI: http://hdl.handle.net/10400.22/3643
ISSN: 0166-3615
Versão do Editor: http://www.sciencedirect.com/science/article/pii/S0166361500000786
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