A5 Multicriteria Optimisation - Challenge Improving value creation Describe sustainable manufacturing problems using multi-criteria mixed integer programs Quantify and/or cluster solutions in decision space Search/compute desired solutions based on mathematical techniques Sustainability Indicators: C3 C2 Mathematical decision support toolbox: Implementation of multicriteria solver PolySCIP Implementation of system creation tool (for scenario technique) Sustainability engineering community Web access to source code, data, models, documentation Library of best practice examples Free solvers instead of black-box solvers C1 Multicriteria MILP: min (c1x,…,ckx) s.t. Ax ≤ b x mixed int. Page 1 A5 Multicriteria Optimisation - Approach System creation tool for scenario technique Applying economic, environmental, and social criteria on given consistency matrix for technology scenarios Clustering field scenarios based on given consistency matrix Multicriteria optimisation solver PolySCIP Plugin for SCIP solver Solution approach based on lifted weight space Works for arbitrary number of objective functions Page 2 A5 Multicriteria Optimisation - Results Publications Buchert, T., S. Neugebauer, S. Schenker, K. Lindow, and R. Stark. 2014. “Multi-criteria Decision Making as a Tool for Sustainable Product Development – Benefits and Obstacles.” Proceedings of the 12th Global Conference on Sustainable Manufacturing. Gausemeier, P., G. Seliger, S. Schenker, and R. Borndörfer. 2014. “Nachhaltige Technologiepfade für unterschiedliche Entwicklungsniveaus mithilfe mehrkriterieller Entscheidungsfindung.” 10. Symposium für Vorausschau und Technologieplanung: 65-94. Jung, S. 2012. “Optimierung der Bahnplanung für eine Pick-and-Place-Maschine.” Diploma thesis. Technische Universität Berlin. Schenker, S., G. Sproesser, A. Pittner, R. Borndörfer, M. Rethmeier, Y.J. Chang, and M. Finkbeiner. 2015. "Sustainable welding process selection based on weight space partitions." Paper presented at the 13th Global Conference on Sustainable Manufacturing. Ho Chi Minh City & Binh Duong, Vietnam. Abstract accepted Schenker, S., J. Steingrίmsson, R. Borndörfer, and G. Seliger. 2014. “Modelling of Bicycle Manufacturing via Multi-Criteria Mixed Integer Programming.” Proceedings of the 12th Global Conference on Sustainable Manufacturing. Scheumann, R., A. Fügenschuh, S. Schenker , I. Vierhaus, R. Borndörfer, and M. Finkbeiner. 2012. “Global Manufacturing: How to Use Mathematical Optimisation Methods to Transform to Sustainable Value Creation.” Proceedings of the 10th Global Conference on Sustainable Manufacturing: 538-545. Strunk, T. 2014. “Multikriterielle ganzzahlige Programme und ihre Lösung durch Gewichtsraumalgorithmen”. Master’s thesis, Technische Universität Berlin. Page 3 A5 Multicriteria Optimisation - Results Implementations (soon available at website and in new SCIP release, respectively) PolySCIP MOMIPLIB – library of multicriteria optimisation problems System creation tools tech-con for technology scenarios field-con for field scenarios Page 4
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