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Process Automation 25-11<br />

Looking at <strong>industrial</strong> Ethernet from the point of view of distributed autonomous control as described<br />

in this section, we are also faced with a similar situation as with conventional fieldbuses. Ethernet with<br />

its peer-to-peer, multicast, and broadcast capabilities would fulfill the needs of a distributed control<br />

architecture. However, most of the developed <strong>industrial</strong> Ethernet <strong>systems</strong> are mimicking the behavior<br />

of conventional fieldbus <strong>systems</strong>. That means they are typically organized in a master/slave hierarchical<br />

way and feature a cyclic <strong>communication</strong> behavior. There are a few that have already a support for multimaster<br />

peer-to-peer <strong>communication</strong> like EtherNet/IP.<br />

The current use of Ethernet in the <strong>industrial</strong> domain shows that it can be the solution for the fast<br />

transmission of large data volumes or for <strong>systems</strong> where conventional fieldbus <strong>systems</strong> provide not<br />

enough bandwidth. However, for upcoming distributed control <strong>systems</strong> and also autonomous control<br />

equipment current fieldbus and <strong>industrial</strong> Ethernet technologies are too restrictive. Their applied master/slave<br />

<strong>communication</strong> architecture requires extensive efforts for providing peer-to-peer <strong>communication</strong><br />

mechanisms as demanded by distributed control <strong>systems</strong>. In order to support such new control<br />

architectures, effective and efficient new <strong>communication</strong> methods have to be developed, which provide<br />

on the one hand the flexibility of Ethernet and on the other hand meet the requirement of <strong>industrial</strong><br />

control <strong>systems</strong> as in conventional fieldbus <strong>systems</strong>.<br />

References<br />

[B06] J. Barata, The Cobasa architecture as an answer to shop floor agility, in Manufacturing the Future—<br />

Concepts, Technologies, Visions, pp. 31–76, pro literatur Verlag, Germany, 2006.<br />

[BR05] M. Barker and J. Rawtani, Practical Batch Process Management, Newnes, Amsterdam, the<br />

Netherlands, 2005.<br />

[EC06] European Commission, MANUfuture: Strategic Research Agenda, Assuring the future of<br />

Manufacturing in Europe, Report of the High-Level-Group, Luxembourg, ISBN 92-79-01026-3, 2006.<br />

[GNP94] S. L. Goldman, R. N. Nagel, and K. Preiss, Agile Competitors and Virtual Organizations, Strategies<br />

for Enriching the Customer, Van Nostrand Reinhold ITP, New York, 1994.<br />

[IEC97] IEC TC65, IEC 61512-1: Batch Control—Part 1: Models and terminology. International<br />

Electrotechnical Commission, Geneva, Switzerland, 1997.<br />

[K99] S. Kuikka, A batch process management framework: Domain-specific, design pattern and software<br />

component based approach, PhD thesis, Helsinki University of Technology, Tapiola, Finland, 1999.<br />

[LR06] P. Leitao and F. Restivo, ADACOR: A holonic architecture for agile and adaptive manufacturing<br />

control, Computers and Industry, 57(2), 121–130, 2006.<br />

[LZ08] W. Lepuschitz and A. Zoitl, An engineering method for batch process automation using<br />

a component oriented design based on IEC 61499, in Proceedings of the IEEE International<br />

Conference on Emerging Technologies and Factory Automation (ETFA’08), Hamburg, Germany,<br />

2008, pp. 207–214.<br />

[PCSK07] J. Peltola, J. H. Christensen, S. Sierla, and K. Koskinen, A migration path to IEC 61499 for the<br />

batch process industry, in Proceedings of Fifth IEEE International Conference on Industrial Informatics,<br />

Vienna, Austria, 2007, pp. 811–816.<br />

[POL94] M. Polke, Process Control Engineering, VCH, Weinheim, Germany/New York, 1994.<br />

[SSPK06] M. Ströman, S. Sierla, J. Peltola, and K. Koskinen, Professional designers’ adaptations of<br />

IEC 61499 to their individual work practices, in Proceedings of the IEEE Conference on Emerging<br />

Technologies and Factory Automation (ETFA’06), Prague, Czech Republic, 2006, pp. 743–749.<br />

[TSPK07] K. Thramboulidis, S. Sierla, N. Papakonstantinou, and K. Koskinen, An IEC 61499 based<br />

approach for distributed batch process control, in Proceedings of Fifth IEEE International Conference<br />

on Industrial Informatics, Vienna, Austria, 2007, pp. 177–182.<br />

[VMM08] P. Vrba, V. Marík, and M. Merdan, Physical deployment of agent-based <strong>industrial</strong> control solutions:<br />

MAST story, in Proceedings of IEEE International Conference on Distributed Human-Machine<br />

Systems, Athens, Greece, 2008, pp. 133–139.<br />

© <strong>2011</strong> by Taylor and Francis Group, LLC

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