設計妥当性検証のための段階的な製品情報モデルの定義手法の提案

概要

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In V-shaped process of model-based development, methods of product information model decomposition from upper processes to lower processes have not yet been established. In this paper, we defined the diagrams, diagram elements and the design operations that are necessary to support the refinement and V&V process of the product information model in two Layers, based on stepwise methods for refining function structures, product behaviors, constraints, and required specifications. It is shown that design results are reflected and managed by expressing the model information data and design operations in DSM. It is proposed that iterative design processes using the matrices supports the effective refinement process, and stepwise V&V is supported effectively using the DSM in cooperation with product information models by demonstrating verification as a method of verifying the design on the model in the lower Layer, and validation as a method of evaluating the design in the lower Layer for requirements in the upper Layer.