Fraunhofer-Institut für Produktionsanlagen und Konstruktionstechnik IPK

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  • Publication
    Virtual spaces to support feature-based computer aided design
    ( 1994)
    Krause, F.-L.
    ;
    Kramer, S.
    Increasingly high demands placed on the product development process with respect to the shortening of development and job throughput times, the lowering of development costs and an improvement in product quality have raised the requirement for unbroken continuity in the information-technological linkage of the associated tasks into process chains. Beyond the geometrical description of the component shape, the exchange of semantic information for use in all phases of product development must be supported. To meet these requirements features can be used as semantically endowed objects that accompany the product development process from customer request throgh the product release. The essential requierement here is the ability to define and process the features in a task- and product-specific fashion and to adapt them flexibly to the chaning constraints of product development. Parametrical models generated with features support the automation of associated design, configuration and planni ng processes.
  • Publication
    Eine Sprache für die featureorientierte Beschreibung und Verarbeitung von Produktgestaltungsinformationen
    ( 1992)
    Kramer, S.
    ;
    Rieger, E.
    For efficient computer aided design it is nessessary to provide an object oriented modelling environment. This requirement is fulfilled by using the feature approach. Features are intelligent design objects, including their shape and their functional and technological behaviour. A language has been developed to describe features in an object oriented manner. This language allows the description of all feature related information, including design rules and functional constraints. New features are generated in a graphical interactive environment. The resulting textual feature description is then interpreted during runtime, taking into account the current design state. The described feature modeller is part of an integrated system for product and process modelling.