Class-based storage assignments for miniload AS/RS with open-rack structure
Automated Storage and Retrieval Systems (AS/RSs) are warehousing systems that are used for the storage and retrieval of products in both distribution and production environments. This paper presents an open-rack structure with unidirectional-upward mobile loads within the rack, for miniload AS/RS,...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Federation of Engineering Institutions of Islamic Countries
2008
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| Online Access: | http://psasir.upm.edu.my/id/eprint/13600/1/Class%20based%20storage%20assignments%20for%20miniload%20ASRS%20with%20openrack%20structure.pdf |
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| author | Vasili, M. R. Tang, Sai Hong Ismail, Napsiah Sulaiman, Shamsuddin |
| author_facet | Vasili, M. R. Tang, Sai Hong Ismail, Napsiah Sulaiman, Shamsuddin |
| author_sort | Vasili, M. R. |
| collection | UPM |
| description | Automated Storage and Retrieval Systems (AS/RSs) are warehousing systems that are used for the storage and
retrieval of products in both distribution and production environments. This paper presents an open-rack structure with unidirectional-upward mobile loads within the rack, for miniload AS/RS, in which the stacker crane is only used for the retrieval operations, and the storage operations are carried out by separate devices namely, storage platforms. Heuristics algorithms and models are developed for load shuffling and travel time of the storage platform, respectively. The well-known ABC approach is used to classify inventory items for determination of class-based storage assignments. Then the expected travel time of the proposed AS/RS is derived. The travel time model and the performance of proposed AS/RS are validated using Monte Carlo simulation and are compared with a conventional one. The results show that the open-rack AS/RS represents a
higher performance and the proposed models are reliable for the design and analysis of this kind of AS/RS. |
| first_indexed | 2024-03-06T07:28:50Z |
| format | Article |
| id | upm.eprints-13600 |
| institution | Universiti Putra Malaysia |
| language | English |
| last_indexed | 2024-03-06T07:28:50Z |
| publishDate | 2008 |
| publisher | Federation of Engineering Institutions of Islamic Countries |
| record_format | dspace |
| spelling | upm.eprints-136002015-10-08T02:44:53Z http://psasir.upm.edu.my/id/eprint/13600/ Class-based storage assignments for miniload AS/RS with open-rack structure Vasili, M. R. Tang, Sai Hong Ismail, Napsiah Sulaiman, Shamsuddin Automated Storage and Retrieval Systems (AS/RSs) are warehousing systems that are used for the storage and retrieval of products in both distribution and production environments. This paper presents an open-rack structure with unidirectional-upward mobile loads within the rack, for miniload AS/RS, in which the stacker crane is only used for the retrieval operations, and the storage operations are carried out by separate devices namely, storage platforms. Heuristics algorithms and models are developed for load shuffling and travel time of the storage platform, respectively. The well-known ABC approach is used to classify inventory items for determination of class-based storage assignments. Then the expected travel time of the proposed AS/RS is derived. The travel time model and the performance of proposed AS/RS are validated using Monte Carlo simulation and are compared with a conventional one. The results show that the open-rack AS/RS represents a higher performance and the proposed models are reliable for the design and analysis of this kind of AS/RS. Federation of Engineering Institutions of Islamic Countries 2008 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/13600/1/Class%20based%20storage%20assignments%20for%20miniload%20ASRS%20with%20openrack%20structure.pdf Vasili, M. R. and Tang, Sai Hong and Ismail, Napsiah and Sulaiman, Shamsuddin (2008) Class-based storage assignments for miniload AS/RS with open-rack structure. International Journal of Engineering and Technology, 5 (2). pp. 118-128. ISSN 1823-1039 http://www.ijet.feiic.org/index.php/volume-5-2008 |
| spellingShingle | Vasili, M. R. Tang, Sai Hong Ismail, Napsiah Sulaiman, Shamsuddin Class-based storage assignments for miniload AS/RS with open-rack structure |
| title | Class-based storage assignments for miniload AS/RS with open-rack structure |
| title_full | Class-based storage assignments for miniload AS/RS with open-rack structure |
| title_fullStr | Class-based storage assignments for miniload AS/RS with open-rack structure |
| title_full_unstemmed | Class-based storage assignments for miniload AS/RS with open-rack structure |
| title_short | Class-based storage assignments for miniload AS/RS with open-rack structure |
| title_sort | class based storage assignments for miniload as rs with open rack structure |
| url | http://psasir.upm.edu.my/id/eprint/13600/1/Class%20based%20storage%20assignments%20for%20miniload%20ASRS%20with%20openrack%20structure.pdf |
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