1 AIT Asian Institute of Technology

Storage layout for person-on-board systems

AuthorZhu, Weinian
Call NumberAIT RSPR no. IE-87-19
Subject(s)Warehouses--Automation

Note A research study submitted in partial fulfilment of the requirements for t h e degree of Master of Engineering, School of Engineering and Technology
PublisherAsian Institute of Technology
Series StatementResearch studies project report ; no. IE-87-19
AbstractThe research study addresses a storage location problem in a person-on- board automated storage/retrieval warehouse system. The objective is to design a storage location which minimizes the travel time of the picking crane. Following assumptions are made : overall rack space is not limited, only one order is picked in a retrieval tour, and the capacity of a picking crane i s not limited. A constructive heuristic method, which makes use of the classical Linear Assignment Problem and a network formulation, is proposed for the storage location of a relatively small set of "structured" orders. Nunerical simulations show up to 32% saving in the expected travel time over the popularity location. For the location problem of general orders, which is more difficult, a two-phase procedure is proposed and simulations show up to 18 . 5% saving in the total travel time over the popularity location.
Year1987
Corresponding Series Added EntryAsian Institute of Technology. Research studies project report ; no. IE-87-19
TypeResearch Study Project Report (RSPR)
SchoolSchool of Engineering and Technology
DepartmentOther Field of Studies (No Department)
Academic Program/FoSIndustrial Engineering (IE)
Chairperson(s)Oudheusden, Dirk L. van ;
Examination Committee(s)Clarke Harry R. ;Awate, Prakash G. ;
Scholarship Donor(s)Deutscher Akademischer Austauschdienst (DAAD) the Federal Republic of Germany ;
DegreeResearch Studies Project Report (M. Eng.) - Asian Institute of Technology, 1987


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