Carnegie Mellon University
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Interval approaches for concurrent evaluation of design constraints

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posted on 1990-01-01, 00:00 authored by D Navinchandra, J Rinderle, Carnegie Mellon University.Engineering Design Research Center.
Abstract: "By concurrent design we mean, in part, concurrent cosideration of a broad range of life-cycle constraints concerning, for example manufacturing and maintenance. The multitude of constraints arising from these considerations make it difficult to identify satisfactory designs. An alternative to explicitly considering all constraints is to determine which of the constraints are relevant, redundant or inconsistent and to consider only those which impact design decisions.The proposed approach is based on two simple ideas: (1) Constraints provide a uniform representation for a variety of life-cycle concerns, and (2) Interval methods applied to constraints can be used to identify critical constraints and to narrow the space of design alternatives. The application of the necessary and sufficient intervals of constraints and constraint propagation techniques are used to classify constraints in this way and to focus design activity."

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1990-01-01

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