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Due to the shorting of product life cycle, increase of variety of customer demand, and fast development of new product, the manufacturer has to adopt advanced manufacturing system ( AMS) to maintain his competitiveness. However, the question of 1) will that vast investment be justified, or 2) will the corporation be more competitive are needed to be evaluated. Hence, a rational and systematic evaluation process plays an importment role in the success of the adoption of AMS. In this research, a two-phased multiple-objective model is propsed for the justification of the AMS. At the phase I, the focus is on the business strategy to determine whether to adopt the AMS decision. At the phase II, the focus is on the operational and economic aspects of alternatives. Both tangible and intangible factors are include in the model. The Analytic Hierarchy Process (AHP) is used for evaluating the alternatives at each phase. The operational and economic factors are collected from literatue/questionaire surveys and simulation run are modeled to evaluate the cost and operation performances for each alternative. Finally, an example of this model is demonstrated to determine the best unit load AS/RS.
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