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Optimal boundaries for class-based Automated Storage/Retrieval systems considering the acceleration/deceleration of the storage and retrieval machine

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3 Author(s)
Peng Yang ; Modern Logistics Res. Center, Tsinghua Univ., Shenzhen, China ; Mingyao Qi ; Lixin Miao

The optimal boundaries for class-based Automated Storage and Retrieval systems (AS/RSs) are derived while the acceleration/deceleration of the storage and retrieval(S/R) machine are considered. A solution procedure is developed which required only two mutually independent one-dimensional search procedures. The results show that the effect of dividing region I near to I/O point by partitioning the rack into two parts based its shape factor, has a better performs to reduce the expected travel time than the effect of dividing region II far from I/O point. Moreover, it is also shown that most of the potential improvement can be realized only by dividing the region I of warehouse into a small number of sub-regions.

Published in:

Logistics Systems and Intelligent Management, 2010 International Conference on  (Volume:3 )

Date of Conference:

9-10 Jan. 2010