Fuzzy-logic digital-analogue interfaces for accurate mixed-signal simulation

Authors:
T. J. Kazmierski
Affiliations:
University of Southampton
Venue:
Proceedings of the conference on Design, automation and test in Europe
Year:
1998

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Abstract

A new approach to mixed-signal circuit interfacing based on fuzzy logic models is presented. Due to their continuous rather than discrete character, fuzzy logic models offer a significant improvement compared with the classical D-A interface models. Fuzzy logic D-A interfaces can represent the boundary between the digital and analogue worlds accurately without a significant loss of computational efficiency. The potential of mixed-signal interfacing based on fuzzy logic is demonstrated by an example of spike propagation from the digital to analogue world. A model of inertial propagation delay and non-linear DC gain suitable for fuzzy logic gates is also suggested.