Symtems analysis applied to equipment selection in multi-plant company

AuthorTam, Kwong Pui
Call NumberAIT Thesis no. 597
Subject(s)Production planning
Systems engineering
NoteA thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering of the Asian Institute of Technology, Bangkok, Thailand.
PublisherAsian Institute of Technology
AbstractThis paper deals with several cost models for equipment selection in multi-plant company. The models are especially suitable for selection between numerical control and conventional machines. application to other equipment\'s are possible. However, in order to compare different equipment, the annual cost of the production system using different equipment should be calculated. The model first divides costs into fixed and variable according to their sensitivity towards production volume. Annual fixed cost is minimized by varying (1) the equipment\'s retirement age or (2) both the age of the equipment when purchased and the service period of the equipment. The minimum annual fixed cost is then combined with the variable cost to form the total annual cost which is again minimized by varying the order quantity. Equipment selection then depends on the total annual cost computed from the model. In multi-plant company, the parent plant receives components produced by its subsidiaries which may be located in different geographical regions. Such production systems have several inventory structures and three of them are incorporated into the basic equipment selection model to form three different selection models. Besides inventory cost, set up cost, production quantity, etc., which are significant for comparison between different equipment\'s are taken into consideration in the models.
Year1973
TypeThesis
SchoolStudent Research Before 1980
DepartmentOther Field of Studies (No Department)
Academic Program/FoSThesis (Year <=1979)
Chairperson(s)Axilrod, Eric
Examination Committee(s)Pakorn Adulbhan ; Exell, Robert H.B.
Scholarship Donor(s)Asian Institute of Technology
DegreeThesis (M. Eng.) - Asian Institute of Technology, 1973


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