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Computer-Aided Engineering Journal

Issue 5 • Date Oct 1988

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Displaying Results 1 - 5 of 5
  • Engineering feature description in mechanical engineering design

    Page(s): 180 - 183
    Save to Project icon | Click to expandQuick Abstract | PDF file iconPDF (372 KB)  

    Although geometric modelling packages have advantages over simple drafting systems, the needs of the engineering designer are such that further improvements in the user interface of modern CAD systems are required. This paper proposes a user interface based on engineering description, in which the component shapes and other attributes are described as a collection of manufacturing-related features. Definitions of a feature are given from both the user and geometric view. The role of feature description in integrated CAE systems is considered in relation to the automatic transfer of information to manufacturing software View full abstract»

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  • ALGIC-a silicon compiler system for digital signal processing

    Page(s): 191 - 199
    Save to Project icon | Click to expandQuick Abstract | PDF file iconPDF (1252 KB)  

    This paper describes the ALGIC silicon compiler system for digital signal processing applications. Starting from a structural and functional description of a digital VLSI circuit, ALGIC generates automatically the corresponding layout in a full-custom design style. The main components of ALGIC are a system monitor module, a parametrisable macro-cell generator, an appropriate floorplanner giving a 100% routing solution and a block-oriented timing verifier. An essential feature of the system is the high degree of integration between all the program modules achieved using the concept of abstract data types View full abstract»

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  • Computer design of electronic circuits

    Page(s): 184 - 190
    Save to Project icon | Click to expandQuick Abstract | PDF file iconPDF (488 KB)  

    This paper describes a program which adds components to an electrical circuit so as to meet a specified target performance. The circuit grows by the apparently random addition of new components. Examples are given of its application to generating equivalent circuits for components used in microwave integrated circuits and to the design of wideband microwave transistor amplifiers. Amplifier circuits with very good theoretical performance have been produced from the simplest of starting circuits. Although both the examples are for microwave circuit applications, there is nothing intrinsically microwave oriented about the program, which could be used to generate circuits for operation at any frequency View full abstract»

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  • Thermocouple temperature sensor CAD tool

    Page(s): 206 - 210
    Save to Project icon | Click to expandQuick Abstract | PDF file iconPDF (396 KB)  

    This article describes a knowledge-based, natural-language-interfaced, CAD software tool for designing the thermal, mechanical and electronic aspects of a thermocouple temperature sensor. This tool is one of several embedded in a computer-aided engineering software environment for supporting casual users who need to create and apply measurement systems View full abstract»

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  • CAENIC-user-characterised, electronic systems development software

    Page(s): 200 - 205
    Save to Project icon | Click to expandQuick Abstract | PDF file iconPDF (460 KB)  

    This article describes the development of a CAE software system, called CAENIC, that enables application domain users to create electronic systems regardless of any lack of high-level electronic engineering skill. As the method will shorten design and building time from weeks to days, it should also be useful to electronic engineers as the starting point of more sophisticated designs. While being, as yet, far from an adequately complete and routine tool, sufficient progress has been made in the development of CAENIC to make worthwhile a report on the strategy being used and the problems to be overcome View full abstract»

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