Multi-tier Shuttle-based Storage and Retrieval Systems
نویسنده
چکیده
In this paper analytical travel time model for the computation of cycle times and throughput performance of the multi-tier shuttle-based storage and retrieval system, is presented. The proposed model considers the real operating characteristics of the shuttle carrier and the elevators lifting table. Assuming uniform distributed storage locations and the probability theory, expressions for the expected cycle time of the elevators lifting table and the shuttle carrier were determined. The proposed model enables the calculation of the expected cycle time, from which the performance of the multi-tier shuttle-based storage and retrieval system can be evaluated
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