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A General Virtual Manufacturing Concept for Programming, Verification and Optimisation of Complex Control Functions
University West, Department of Engineering Science, Division of Electrical and Automation Engineering. (PTW)
University West, Department of Engineering Science, Division of Electrical and Automation Engineering. (PTW)ORCID iD: 0000-0002-8878-2718
University West, Department of Engineering Science, Division of Electrical and Automation Engineering. (PTW)ORCID iD: 0000-0002-6604-6904
2008 (English)In: Proceedings of the 18th International Conference on Flexible Automation and Intelligent Manufacturing, FAIM 2008: June 30th - July 2nd, 2008, University of Skövde, Sweden / [ed] Leo J. de Vin, Skövde, 2008, 668-675 p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper describes a general virtual manufacturing concept for industrial control systems. Our virtual manufacturing concept provides a distinct advantage; programming, verification and optimisation of complex real-time dependent control functions described by real control code, which can be directly transferred to the real manufacturing system. To achieve this distinct advantage, a time synchronised virtual manufacturing system is a necessity. The aim of this paper is thus to present and to describe in detail, our proposed virtual manufacturing concept. To the authors’ knowledge no such general virtual manufacturing concept, i.e. one that can correctly handle complex real-time dependent control functions, currently exists. To summarise previous work related to virtual manufacturing and industrial control systems, several critical issues have been identified. The virtual manufacturing concept proposed in this paper addresses these issues. To verify that our concept can manage these critical issues found and further is suitable in industrial applications a virtual manufacturing test case is also presented. The test case, that includes motion control (i.e. servo), complex control functions, real control systems etc., was carried out with success.

Place, publisher, year, edition, pages
Skövde, 2008. 668-675 p.
National Category
Control Engineering
Research subject
ENGINEERING, Manufacturing and materials engineering
Identifiers
URN: urn:nbn:se:hv:diva-2068ISBN: 978-91-633-2757-5 (print)OAI: oai:DiVA.org:hv-2068DiVA: diva2:281980
Conference
18th International Conference on Flexible Automation and Intelligent Manufacturing (FAIM 2008), Skövde, 30 june-2 july 2008
Available from: 2009-12-18 Created: 2009-12-18 Last updated: 2016-02-09Bibliographically approved
In thesis
1. Optimisation of Manufacturing Systems Using Time Synchronised Simulation
Open this publication in new window or tab >>Optimisation of Manufacturing Systems Using Time Synchronised Simulation
2010 (English)Licentiate thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Göteborg: Chalmers, 2010. 42 p.
Series
Technical Report R Department of Signals and Systems, Chalmers University of Technology, ISSN 1403-266X ; 2010:003
Keyword
Simulation based optimisation, virtual manufacturing, industrial control system, PLC, continuous simulation, parameter tuning, optimisation methods
National Category
Production Engineering, Human Work Science and Ergonomics
Research subject
ENGINEERING, Manufacturing and materials engineering
Identifiers
urn:nbn:se:hv:diva-2481 (URN)
Presentation
(English)
Available from: 2010-05-25 Created: 2010-05-21 Last updated: 2016-02-09Bibliographically approved
2. Reliable Virtual Commissioning
Open this publication in new window or tab >>Reliable Virtual Commissioning
2012 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

Virtual commissioning is a technique for programming, optimising and verifying industrial automated production, such as robot controllers and programmable logic controllers (PLC), off-line in a simulated environment. Compared with traditional robot off-line programming and simulation, the scope is wider and can include an entire production cell.

Robot simulation is a well-established technique and widely used in industry today, much thanks to the RRS interface that enables simulated robot control systems to be integrated in the simulation software. A more general interface for industrial control system integration is OPC that has been an industrial de facto standard for connection between industrial control systems and regular PCs. State-of-the-art production simulation tools often include the possibility to connect an industrial control system via OPC. However, OPC suffers a major drawback when it comes to production simulation, there is no mechanism that synchronises the industrial control system with the simulation and this could lead to unreliable results from the simulation.

Another obstacle for virtual commissioning is the amount of time that needs to be spent during the simulation model building phase, since virtual commissioning includes more signals. This does not only take more time, but it is also an error prone process that might lead to unreliable results.

In this thesis problems related to the OPC interface and the modelling process are discussed, and suggestions how these issues can be solved are presented so reliable virtual commissioning can be achieved.

Place, publisher, year, edition, pages
Göteborg: Chalmers University of Technology, 2012. 54 p.
Series
Technical Report No R012/2012, ISSN 403-266X
Keyword
Virtual commissioning, Simulation based PLC control code verification, Virtual manufacturing, Industrial control system, PLC, Continuous simulation
National Category
Robotics
Research subject
ENGINEERING, Manufacturing and materials engineering
Identifiers
urn:nbn:se:hv:diva-4701 (URN)
Presentation
2012-09-21, Trollhättan, 10:00 (English)
Supervisors
Available from: 2012-10-12 Created: 2012-10-01 Last updated: 2015-10-02Bibliographically approved

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