知識ベースによる撤積貨物船の横断面内部材配置決定支援システムの試作

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A number of expert systems have been put in practical use in a wide variety of industries with the advancement of the artificial intelligence technology. Simultaneously, the region of their application has been extended to design problems from limited problems of diagnosis or analysis. In the present paper, the expert system for a ship design is studied by making a prototype of the design system for the midship section of a bulk carrier. The production rules of "If〜then〜" type are used to represent the expert knowledge for design procedures and various constraints. The constraints considered are the requirements for strength of structure from rules of ship classification, easiness of fabrication, the minimum capacity quantities for cargo and ballast and so forth. The knowledge for design procedures enables the system to simulate the so called 'design spiral' procedure which is the sophisticated trial and error manner of a human designer. From the given specification for a ship and the initial tentative design, the final solution that satisfies each constraint is obtained through the computational inference. The optimization of a solution is made only for the design of the double bottom structure. The hypothetical approach is effectively used to get the design of minimum cost. The overview of the system is presented together with some application results. Difficulties encountered during the development are also described.
社団法人日本船舶海洋工学会の論文
1988-08-25

知識ベースによる撤積貨物船の横断面内部材配置決定支援システムの試作

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