CAD-based Assembly Sequence Planning for Increased Operational Flexibility Dataset

Zenodo (CERN European Organization for Nuclear Research)

Abstract

Operational flexibility represents the ability to adapt to changes in production or assembly processes. It is a crucial aspect of assembly sequence planning for a dynamic environment (such as large-scale assembly systems). The choice of graph model, such as precedence graph or AND/OR graph, can significantly impact operational flexibility. The state-of-the-art research has demonstrated the utility of precedence graphs and AND/OR graphs for flexible assembly lines. However, AND/OR graphs offer the potential for even greater operational flexibility but with a higher computational cost. Further research is still needed on the detailed effects of precedence graphs and AND/OR graphs on operational flexibility and the limits for their application to large-scale assemblies. The trade-offs between different models and their impact on operational flexibility and computational costs is observed. 1st underlying research question: Which graph model, derived from CAD-based assembly-by- disassembly, can increase the operational flexibility in integrated assembly sequence planning and job scheduling problems? A hypothesis is formulated to answer this research question, which will be used to design an experiment and be tested. Hypothesis 1: The AND/OR graph can be utilized to improve the operational flexibility in comparison to the precedence graph.

Authors 1

1. Sören Münker corresponding Aachen

   RWTH Aachen University

   Affiliation as printed

   WZL of RWTH Aachen University