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Conflict-free AGV Routing in a Bi-directional Path Layout

AGV systems are now becoming widely used in automatic material handling systems. One of the issues arising in applications is routing. This paper presents a bi-directional path layout and an algorithm for routing AGVs without conflicts. Mathematical relationships among certain key parameters of path and vehicle are derived to minimize the space requirements of the layout. The routing efficiency is analyzed in terms of the distance traveled and the time required by AGVs to complete all pickup and drop-off jobs. Results of this study could form a basic for other more complicated AGV path layouts and routing algorithms.