Ontology of the input language for computer-aided design of shaft forging on presses
2018
Nowadays, computer-aided design (CAD) of open-die forging on presses almost constantly requires man’s participation in the design process due to the insufficient formalization of this subject area. Man can correct automatically obtained solutions in a graphic dialog mode or any other way. For this purpose, an input language for operative adjustment of the solution is developed as a part of the linguistic support of a computer-aided design system for open-die shaft forging on presses, which was created at the Institute of Engineering Science, Ural Branch of the Russian Academy of Sciences. The input language is implemented in software form. A description of the input language ontology for CAD of shaft forging is proposed. The conceptualization of the subject area is made with the development of a conceptual scheme. Six main classes of the input language are selected. The composition of the instances and their attributes are defined for each class. A system of the input language axioms is determined. Menus for the conditional correction of attribute values and selection from the list of their possible values is developed. The results are demonstrated by a specific example and implemented within a working CAD system for shaft forging on presses in the form of algorithms and programs. All this enables users to adjust a forging process designed by the system, and this, in turn, guarantees obtaining high-quality forging manufacturing plan ensuring the implementation of the production process and essentially facilitating the adoption of the system by various enterprises.
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