Class-based storage with exact S-shaped traversal routeing in low-level picker-to-part systems
DSpace at IIT Bombay
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Title |
Class-based storage with exact S-shaped traversal routeing in low-level picker-to-part systems
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Creator |
RAO, SS
ADIL, GK |
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Subject |
warehouse design
low-level order picking system continuous storage classes class-based storage assignment traversal routeing aisle travel metric multi-item picking order pick size DUAL-COMMAND OPERATIONS ORDER-PICKING RECTANGULAR WAREHOUSE RETRIEVAL SYSTEMS ROUTING POLICIES CROSS-AISLES LAYOUT ASSIGNMENT LOCATION |
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Description |
We consider a low level picker-to-parts system in a one-block warehouse with P/D point located at a corner point. We develop new and exact analytical models to estimate travel distance for random, full turnover and class-based storage in which a single picker follows an S-shaped traversal routeing policy. Our analytical results for random, full turnover and class-based storage follow corresponding simulations very closely with an accuracy of within 2% for the range of warehouse parameters considered. We also report the percentage improvement obtained by the optimal 3-class storage strategy over the random storage policy and the potential gain of this 3-class policy as compared to the full turnover policy. Further, we conduct a computational study to determine the optimal layout parameters for a warehouse with a 3-class optimal storage strategy for a given pick size per tour. Sensitivity analysis of pick travel distances with important warehouse parameters is also presented.
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Publisher |
TAYLOR & FRANCIS LTD
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Date |
2014-10-15T12:03:55Z
2014-10-15T12:03:55Z 2013 |
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Type |
Article
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Identifier |
INTERNATIONAL JOURNAL OF PRODUCTION RESEARCH, 51(16)4979-4996
http://dx.doi.org/10.1080/00207543.2013.784419 http://dspace.library.iitb.ac.in/jspui/handle/100/14857 |
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Language |
en
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