SIMULATION-BASED EVALUATION OF RESERVATION MECHANISMS FOR THE TIME WINDOW ROUTING METHOD

Autor/innen

  • Thomas Lienert Chair of Materials Handling, Material Flow, Logistics Department of Mechanical Engineering Technical University of Munich
  • Florian Wenzler Chair of Materials Handling, Material Flow, Logistics Department of Mechanical Engineering Technical University of Munich
  • Johannes Fottner Chair of Materials Handling, Material Flow, Logistics Department of Mechanical Engineering Technical University of Munich

Schlagworte:

Automated Warehouses, Mobile Robots, Time Window Routing Method, Discrete Event Simulation

Abstract

Automated warehouses operated by a fleet of robots offer great flexibility, since fleet size can be adjusted easily to throughput requirements. Furthermore, they provide higher redundancy compared to common solutions for automated storage and retrieval systems.
On the other hand, these systems require more complex control strategies to run robustly and efficiently. Special routing and deadlock handling strategies are necessary to avoid blocking and collisions among the robots.
In this contribution, we focus on the time window routing method, an approach for avoiding deadlocks by
reserving routes in advance. We present and discuss
different reservation mechanisms that are evaluated by
the means of simulation.

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Veröffentlicht

2020-12-21

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