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Article Dans Une Revue International Journal of Production Research Année : 2018

Travel-time model of dual-command cycles in a 3D compact AS/RS with lower mid-point I/O dwell point policy

Yeming Gong
  • Fonction : Auteur
Xiangxiang Fan
  • Fonction : Auteur
Guwen Shen
  • Fonction : Auteur
Bipan Zou
  • Fonction : Auteur

Résumé

Three-dimensional compact automated storage/retrieval systems (AS/RS) have been extensively applied in warehouses, with advantages of full automation, time efficiency and high space utilisation. While previous studies that use lower mid-point input/output (I/O) dwell point policy consider single-command cycles (SC), this paper builds travel-time models of dual-command cycles (DC). The S/R crane also dwells in the lower mid-point of the rack when it is idle. We validate analytical models using simulation and use analytical models to optimise system dimensions. Numerical experiments are used to compare DC with SC. The results show that DC outperform SC in terms of cycle time of one command.
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Dates et versions

hal-02312021 , version 1 (20-03-2020)

Identifiants

  • HAL Id : hal-02312021 , version 1

Citer

Xianhao Xu, Yeming Gong, Xiangxiang Fan, Guwen Shen, Bipan Zou. Travel-time model of dual-command cycles in a 3D compact AS/RS with lower mid-point I/O dwell point policy. International Journal of Production Research, 2018, 56 (4), 1620-1640 p. ⟨hal-02312021⟩

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