Get Advances in Artificial Life: 5th European Conference, PDF

By Hans Meinhardt (auth.), Dario Floreano, Jean-Daniel Nicoud, Francesco Mondada (eds.)

ISBN-10: 3540483047

ISBN-13: 9783540483045

ISBN-10: 3540664521

ISBN-13: 9783540664529

No topic what your point of view is, what your targets are, or how skilled you're, man made lifestyles study is often a studying event. the range of phe­ nomena that the folks who amassed in Lausanne stated and mentioned for the 5th time considering 1991 on the ecu convention on synthetic existence (ECAL) has no longer been programmed, crafted, or assembled by means of analytic layout. It has advanced, emerged, or seemed spontaneously from a means of man made evolution, se- company, or improvement. synthetic lifestyles is a box the place organic and synthetic sciences meet and mix jointly, the place the dynamics of organic lifestyles are reproduced within the reminiscence of desktops, the place machines evolve, behave, and speak like dwelling organ­ isms, the place complicated life-like entities are synthesised from digital chromo­ somes and synthetic chemistries. The impression of synthetic existence in technology, phi­ losophy, and know-how is super. through the years the bogus technique has proven itself as a robust procedure for investigating numerous advanced phenomena of existence. From a philosophical point of view, the suggestion of lifestyles and of in­ telligence is regularly reformulated on the subject of the dynamics of the method less than statement and to the embedding surroundings, now not a privilege of carbon-based entities with brains and eyes. whilst, the potential of engineering machines and software program with life-like homes resembling evolvability, self-repair, and self-maintainance is steadily changing into truth, bringing new views in engineering and applications.

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Extra resources for Advances in Artificial Life: 5th European Conference, ECAL’99 Lausanne, Switzerland, September 13–17, 1999 Proceedings

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If what the individueJ ate was food, it receives 10 units of energy and tries to train itself to produce the "eat" action with a higher probability for that pattern. Conversely, if the individual ate poison, it loses a comparable amount of energy and tries to train itself to produce the "discard" action with a higher probability for that pattern. When the individual discards the material, no learning is conducted. The aim of each individual is to maximize its life energy by learning a rule that discriminates food and poison.

40 to consider only Darwinian models. Indeed, the possibility of using the heredity of acquired characters would be quite attractive and some studies have shown that significant improvements in the performance of problem-solving systems can be attained by introducing Lamarckian mechanisms[5,2,7]. In these works, however, the effectiveness and superiority of Lamarckian evolution have been demonstrated only for static environments (or more generally for fixed tasks). In our previous papers[10,11], we compared Darwinian and Lamarckian evolution under non-stationary environments, and showed that the Darwinian population not only showed more stable behaviour in the face of environmental changes but could also maintain greater adaptability regarding such dynamic environments than could the Lamaxckian population.

Using this model we show that lifetime interaction can enable the evolution of organisms that would otherwise be unobtainable—or at least, would be very unlikely to occur. Our simulation of this phenomenon reveals two phases. First, symbiotic groups find the solution to a problem (a set of abilities that confers high reproductive fitness) more quickly than the solution can be found by a single organism. This occurs simply because the combination of abilities via lifetime interaction of organisms samples a much larger set of variations than the relatively slow genetic variation from mutation.

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Advances in Artificial Life: 5th European Conference, ECAL’99 Lausanne, Switzerland, September 13–17, 1999 Proceedings by Hans Meinhardt (auth.), Dario Floreano, Jean-Daniel Nicoud, Francesco Mondada (eds.)

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