Đukić, Goran and Opetuk, Tihomir and Lerher, Tone (2015) A throughput model for a dual-tray Vertical Lift Module with a human order-picker. = A throughput model for a dual-tray Vertical Lift Module with a human order-picker. International journal of production economics, 170 (C). pp. 874-881. ISSN 0925-5273. Vrsta rada: ["eprint_fieldopt_article_type_article" not defined]. Kvartili JCR: Q1 (2015). Točan broj autora: 3.
Full text not available from this repository.Abstract
Dual-tray Vertical Lift Modules (VLMs) are relatively new systems not yet addressed in automated storage and retrieval (AS/R) systems research. This paper aims to contribute in this field both for theory and practice. A throughput model for single dual-tray Vertical Lift Module automated storage and retrieval system with a human order-picker is presented. The model is developed on the basis of two previous models of mini-load AS/RS and single- tray VLM presented in literature. Results of testing in comparison with simulation models indicate that the proposed model performs very well in estimating system throughput. Analysis of throughput for various VLM configurations and for both assumed deterministic and exponentially distributed pick time per tray showed significant differences, leading to the conclusion that real distributions of pick times have a non-negligible influence on system throughput. This parameter should be taken with caution when estimating system cycle time and throughput. The model׳s results provide guidelines for throughput estimation for designers and managers of warehousing systems. Together with previously developed throughput models for single-tray VLM and VLM pods, they are able to evaluate different VLM-based solutions for order-picking.
| Item Type: | Article (["eprint_fieldopt_article_type_article" not defined]) |
|---|---|
| Keywords (Croatian): | Automated storage and retrieval system, Vertical lift module (VLM), Throughput model |
| Subjects: | TECHNICAL SCIENCE > Mechanical Engineering |
| Divisions: | 700 Department of Industrial Engineering > 710 Chair of Production Design |
| Indexed in Web of Science: | Yes |
| Indexed in Current Contents: | Yes |
| Quartiles: | Q1 (2015) |
| Date Deposited: | 01 Jul 2016 12:13 |
| Last Modified: | 25 Jan 2018 12:02 |
| URI: | http://repozitorij.fsb.hr/id/eprint/6049 |
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