Considering uncertainty in unequal area block layout design

Bryan A. Norman, Alice E. Smith

Research output: Contribution to conferencePaper

1 Scopus citations

Abstract

This paper presents an extended formulation of the unequal area facilities block layout problem which explicitly considers uncertainty in material handling costs by use of expected value and standard deviations of product forecasts. This formulation is solved using a random keys genetic algorithm (RKGA) heuristic with a flexible bay construct of the departments and total facility area. It is shown that depending on the attitude towards uncertainty of the decision maker, the optimal layout can change significantly. The seminal 20 department problem of Armour and Buffa is studied with varying numbers of products and amount of forecast uncertainty. The RKGA is shown to be a robust optimizor that allows a user to make an explicit characterization of the cost and uncertainty trade-offs involved in a particular block layout problem.

Original languageEnglish
Pages826-831
Number of pages6
StatePublished - 1997
EventProceedings of the 1997 6th Annual Industrial Engineering Research Conference, IERC - Miami Beach, FL, USA
Duration: May 17 1997May 18 1997

Conference

ConferenceProceedings of the 1997 6th Annual Industrial Engineering Research Conference, IERC
CityMiami Beach, FL, USA
Period05/17/9705/18/97

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