We present an effective optimization strategy that is capable of discovering high-quality cost-optimal solution for two-dimensional (2D) path network layouts (i.e., groups of obstacle-avoiding Euclidean Steiner trees) that, among other applications, can serve as templates for complete ascent assembly structures (CAA-structures). The main innovative aspect of our approach is that our aim is not restricted to simply synthesizing optimal assembly designs with regard to a given goal, but we also strive to discover the best tradeoffs between geometric and domain-dependent optimal designs. As such, the proposed approach is centered on a variably constrained multi-objective formulation of the optimal design task and on an efficient coevolutionary solver. The results we obtained on both artificial problems and realistic design scenarios based on an industrial test case empirically support the value of our contribution to the fields of optimal obstacle-avoiding path generation in particular and design automation in general.
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June 2018
Research-Article
Multi-Objective Optimal Design of Obstacle-Avoiding Two-Dimensional Steiner Trees With Application to Ascent Assembly Engineering
Alexandru-Ciprian Zăvoianu,
Alexandru-Ciprian Zăvoianu
Department of Knowledge-Based
Mathematical Systems,
Johannes Kepler University Linz,
Altenbergerstraße 69,
Linz 4040, Austria
e-mail: Ciprian.Zavoianu@jku.at
Mathematical Systems,
Johannes Kepler University Linz,
Altenbergerstraße 69,
Linz 4040, Austria
e-mail: Ciprian.Zavoianu@jku.at
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Susanne Saminger-Platz,
Susanne Saminger-Platz
Department of Knowledge-Based
Mathematical Systems,
Johannes Kepler University Linz,
Altenbergerstraße 69,
Linz 4040, Austria
e-mail: Susanne.Saminger-Platz@jku.at
Mathematical Systems,
Johannes Kepler University Linz,
Altenbergerstraße 69,
Linz 4040, Austria
e-mail: Susanne.Saminger-Platz@jku.at
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Doris Entner,
Doris Entner
Design Automation,
V-Research GmbH—Industrial
Research and Development,
Stadtstraße 33,
Dornbirn 6850, Austria
e-mail: Doris.Entner@v-research.at
V-Research GmbH—Industrial
Research and Development,
Stadtstraße 33,
Dornbirn 6850, Austria
e-mail: Doris.Entner@v-research.at
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Thorsten Prante,
Thorsten Prante
Design Automation,
V-Research GmbH—Industrial
Research and Development,
Stadtstraße 33,
Dornbirn 6850, Austria
e-mail: Thorsten.Prante@v-research.at
V-Research GmbH—Industrial
Research and Development,
Stadtstraße 33,
Dornbirn 6850, Austria
e-mail: Thorsten.Prante@v-research.at
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Michael Hellwig,
Michael Hellwig
Research Centre Process and Product Engineering,
Vorarlberg University of Applied Sciences,
Hochschulstraße 1,
Dornbirn 6850, Austria
e-mail: Michael.Hellwig@fhv.at
Vorarlberg University of Applied Sciences,
Hochschulstraße 1,
Dornbirn 6850, Austria
e-mail: Michael.Hellwig@fhv.at
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Martin Schwarz,
Martin Schwarz
Technology Management,
Liebherr-Werk Nenzing GmbH,
Dr.-Hans-Liebherr-Str. 1,
Nenzing 6710, Austria
e-mail: Martin.Schwarz@liebherr.com
Liebherr-Werk Nenzing GmbH,
Dr.-Hans-Liebherr-Str. 1,
Nenzing 6710, Austria
e-mail: Martin.Schwarz@liebherr.com
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Klara Fink
Klara Fink
Technology Management,
Liebherr-Werk Nenzing GmbH,
Dr.-Hans-Liebherr-Str. 1,
Nenzing 6710, Austria
e-mail: Klara.Fink@liebherr.com
Liebherr-Werk Nenzing GmbH,
Dr.-Hans-Liebherr-Str. 1,
Nenzing 6710, Austria
e-mail: Klara.Fink@liebherr.com
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Alexandru-Ciprian Zăvoianu
Department of Knowledge-Based
Mathematical Systems,
Johannes Kepler University Linz,
Altenbergerstraße 69,
Linz 4040, Austria
e-mail: Ciprian.Zavoianu@jku.at
Mathematical Systems,
Johannes Kepler University Linz,
Altenbergerstraße 69,
Linz 4040, Austria
e-mail: Ciprian.Zavoianu@jku.at
Susanne Saminger-Platz
Department of Knowledge-Based
Mathematical Systems,
Johannes Kepler University Linz,
Altenbergerstraße 69,
Linz 4040, Austria
e-mail: Susanne.Saminger-Platz@jku.at
Mathematical Systems,
Johannes Kepler University Linz,
Altenbergerstraße 69,
Linz 4040, Austria
e-mail: Susanne.Saminger-Platz@jku.at
Doris Entner
Design Automation,
V-Research GmbH—Industrial
Research and Development,
Stadtstraße 33,
Dornbirn 6850, Austria
e-mail: Doris.Entner@v-research.at
V-Research GmbH—Industrial
Research and Development,
Stadtstraße 33,
Dornbirn 6850, Austria
e-mail: Doris.Entner@v-research.at
Thorsten Prante
Design Automation,
V-Research GmbH—Industrial
Research and Development,
Stadtstraße 33,
Dornbirn 6850, Austria
e-mail: Thorsten.Prante@v-research.at
V-Research GmbH—Industrial
Research and Development,
Stadtstraße 33,
Dornbirn 6850, Austria
e-mail: Thorsten.Prante@v-research.at
Michael Hellwig
Research Centre Process and Product Engineering,
Vorarlberg University of Applied Sciences,
Hochschulstraße 1,
Dornbirn 6850, Austria
e-mail: Michael.Hellwig@fhv.at
Vorarlberg University of Applied Sciences,
Hochschulstraße 1,
Dornbirn 6850, Austria
e-mail: Michael.Hellwig@fhv.at
Martin Schwarz
Technology Management,
Liebherr-Werk Nenzing GmbH,
Dr.-Hans-Liebherr-Str. 1,
Nenzing 6710, Austria
e-mail: Martin.Schwarz@liebherr.com
Liebherr-Werk Nenzing GmbH,
Dr.-Hans-Liebherr-Str. 1,
Nenzing 6710, Austria
e-mail: Martin.Schwarz@liebherr.com
Klara Fink
Technology Management,
Liebherr-Werk Nenzing GmbH,
Dr.-Hans-Liebherr-Str. 1,
Nenzing 6710, Austria
e-mail: Klara.Fink@liebherr.com
Liebherr-Werk Nenzing GmbH,
Dr.-Hans-Liebherr-Str. 1,
Nenzing 6710, Austria
e-mail: Klara.Fink@liebherr.com
1Corresponding author.
Contributed by the Design Automation Committee of ASME for publication in the JOURNAL OF MECHANICAL DESIGN. Manuscript received September 9, 2017; final manuscript received January 8, 2018; published online March 26, 2018. Assoc. Editor: Mian Li.
J. Mech. Des. Jun 2018, 140(6): 061401 (11 pages)
Published Online: March 26, 2018
Article history
Received:
September 9, 2017
Revised:
January 8, 2018
Citation
Zăvoianu, A., Saminger-Platz, S., Entner, D., Prante, T., Hellwig, M., Schwarz, M., and Fink, K. (March 26, 2018). "Multi-Objective Optimal Design of Obstacle-Avoiding Two-Dimensional Steiner Trees With Application to Ascent Assembly Engineering." ASME. J. Mech. Des. June 2018; 140(6): 061401. https://doi.org/10.1115/1.4039009
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