Evolution in materio: A tone discriminator in liquid crystal

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Publication details

Title of host publicationCEC2004: PROCEEDINGS OF THE 2004 CONGRESS ON EVOLUTIONARY COMPUTATION, VOLS 1 AND 2
DatePublished - 2004
Pages1800-1807
Number of pages8
PublisherIEEE
Place of PublicationNEW YORK
Original languageEnglish
ISBN (Print)0-7803-8515-2

Abstract

Intrinsic evolution in Evolvable Hardware research has hitherto been limited to using standard electronic components as the media for problem solving. However, recently it has been argued that because such components are human designed and intentionally have predictable responses, they may not be the optimal medium to use when trying to get a naturally inspired search technique to solve a problem. Evolution has been demonstrated as capable of exploiting the physical properties of material to form solutions, however, by giving evolution only conventional components, we may be placing arbitrary constraints on our ability to solve certain problems. In this paper, we have shown for the first time, that liquid crystal can be used as the physical substrate for evolution. We demonstrate that it is possible to evolve various functions, including a tone discriminator, in materio.

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