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After explaining the necessity of sequential sorting processes within branched conveyor systems and introducing basic sequential controlling principles, this paper analyses with a simulation study different ways of implementing sequential supply processes for small load carriers in an abstracted automated intralogistics system. Simulation results show that a layout with sequencing systems with explicit buffer places can ensure much higher sequential throughput performances than a layout with a loop for sequencing or a layout which implements sequencing processes just with the control of carrier sources. Because of sequential control dependencies in the layout with buffer places, further experiments for sequential supply processes with different layouts forms have to be assessed.
Digital twins enable the digital representation of physical systems and provide comprehensive modelling and analysis capabilities. An online data exchange between the Digital twin and SAP is feasible, through integration of a transport control systems (SAP) via RESTful API. This interface allows decision making in resource allocation and furthermore the adaptation of the digital model if the real system changes. Despite the associated challenges in terms of data synchronisation, the integration has benefits such as a reduction in modelling effort and an increase in the lifetime of the digital twin. In the context of this work, the design of the interface between the simulation software and a SAP transport control system via RESTful API is described.