• Media type: E-Article; Text
  • Title: Flexibility-Driven Planning Of Flow-Based Mixed-Model Assembly Structures
  • Contributor: Föhlisch, Nils [Author]; Burggräf, Peter [Author]; Adlon, Tobias [Author]; Kapella, Christopher [Author]; Herberger, David [Author]; Hübner, Marco [Author]; Stich, Volker [Author]
  • imprint: Hannover : publish-Ing., 2023
  • Published in: Proceedings of the Conference on Production Systems and Logistics: CPSL 2023 - 1 ; 10.15488/13418
  • Issue: published Version
  • Language: English
  • DOI: https://doi.org/10.15488/13472; https://doi.org/10.15488/13418
  • Keywords: Matrix Assembly ; Flow-based Assembly ; Flexibility Requirements ; Assembly System Planning ; Line Assembly ; Konferenzschrift ; Flexibility Assessment
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  • Description: Trends such as mass customization, changing customer preferences and resulting output fluctuations increasingly challenge the production industry. Mixed-model assembly lines are affected by the rising product variety, which ultimately leads to ascending cycle time spreads and efficiency losses. Matrix assembly addresses these challenges by decoupling workstations and dissolving cycle time constraints while maintaining the flow. Both matrix and line assembly are flow-based assembly structures characterized by assembly objects moving along the stations. In assembly system planning, competing assembly structures are developed and the one best meeting the use case's requirements is selected for realization. During assessing requirements and selecting the superior assembly structure, the systematic consideration of flexibility is often not ensured within the planning approach. Therefore, a preferred assembly structure may not have the flexibility required for a use case. The systematic and data-driven assessment of required and provided flexibility in assembly system planning is necessary. This paper presents an assessment model that matches a use case's requirements with the flexibility of flow-based assembly structures based on production program and process data. On the one hand, requirements are defined by flexibility criteria that evaluate representative product mixes and process time heterogeneity. On the other hand, provided flexibility of flow-based assembly structures is assessed in a level-based classification. A method for comparing the requirements and the classification's levels to prioritize assembly structures for application in a case is developed. The flexibility requirements and assembly structure of an exemplary use case are determined and discussed under the planning project's insights to evaluate the developed model. This work contributes to the objective and data-driven selection of assembly structures by utilizing use case-specific data available during the phase of structural planning to meet ...
  • Access State: Open Access
  • Rights information: Attribution (CC BY)