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Sheet-Metal Press Line Parameter Tuning using a Combined DIRECT and Nelder-Mead Algorithm
University West, Department of Engineering Science, Division of Electrical and Automation Engineering. (PTW)ORCID iD: 0000-0002-8878-2718
Volvo Cars, VCIT, Olofström, Sweden.
University West, Department of Engineering Science, Division of Electrical and Automation Engineering. (PTW)ORCID iD: 0000-0002-6604-6904
University West, Department of Engineering Science, Division of Electrical and Automation Engineering. (PTW)
2011 (English)In: The 16th IEEE International Conference on Emerging Technologies and Factory Automation: Toulouse, France, September 5-9, 2011, 2011, p. 1-8Conference paper, Published paper (Refereed)
Abstract [en]

It is a great challenge to obtain an efficient algorithm for global optimisation of nonlinear, nonconvex and high dimensional objective functions. This paper shows how the combination of DIRECT and Nelder-Mead algorithms can improve the efficiency in the parameter tuning of a sheet-metal press line. A combined optimisation algorithm is proposed that determines and utilises all local optimal points from DIRECT algorithm as Nelder-Mead starting points. To reduce the total optimisation time, all Nelder-Mead optimisations can be executed in parallel. Additionally, a Collision Inspection Method is implemented in the simulation model to reduce the evaluation time. Altogether, this results in an industrially useful parameter tuning method. Improvements of an increased production rate of 7% and 40% smoother robot motions have been achieved.

Place, publisher, year, edition, pages
2011. p. 1-8
Series
Emerging Technologies & Factory Automation (ETFA),, ISSN 1946-0740
Keywords [en]
Simulation based optimisation
National Category
Robotics
Research subject
ENGINEERING, Manufacturing and materials engineering
Identifiers
URN: urn:nbn:se:hv:diva-3781DOI: 10.1109/ETFA.2011.6059031ISBN: 978-1-4577-0016-3 (print)ISBN: 978-1-4577-0017-0 (print)OAI: oai:DiVA.org:hv-3781DiVA, id: diva2:447785
Conference
ETFA 2011
Available from: 2011-10-13 Created: 2011-10-13 Last updated: 2018-07-25Bibliographically approved

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Svensson, BoDanielsson, Fredrik

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CiteExportLink to record
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