An analog circuit design environment based on cooperating blackboard systems |
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Authors: | Klaus Milzner |
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Affiliation: | (1) Lehrstuhl Informatik 1, University of Dortmund, Postfach 500 500, 4600 Dortmund 50, Germany |
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Abstract: | A novel approach to design automation for analog circuits is presented. The prototype implementation-OASE-has been realized as a set of cooperating expert systems with blackboard architecture. The circuit specific knowledge bases use hybrid representation schemes and are strictly separated from an execution engine containing the necessary control knowledge. This alleviates the knowledge acquisition process as well as the extension and maintenance of existing knowledge. OASE has been developed as a design assistant, featuring different levels of interactivity, a hierarchical design style and fully embedded algorithmic standard tools. In its current version it is able to design a broad range of different CMOS operational amplifiers. |
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Keywords: | Design blackboard systems hybrid architectures intelligent tool environments |
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