Evolution of Morphology and Behavior
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Righto, thought so. Thanks for te replies.
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where he going
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food
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What drives the "organisms" behavior?
Are they driven to make there way to an object like "food"? Do they compete and who ever gets crosses the longest distance in a set time wins a "natural selection" contest? Or are they just doing what ever?
SOEdigital 4 years ago
The fitness function evalutes the distance in a set time. This distance says how is the probability that one creature have to survive to the next generation. The neural network and the body morphology is randomly modified (mutated) at each generation. There is also crossings between creatures and insertion of new random creatures.
felipeportavales 4 years ago
So is there any "memory" carried over from one generation to the next? You say the neural network and body morphology are randomly mutated, if this is the case, what causes improvements in each following generation? Or is that going to become a future function?
SOEdigital 4 years ago
The memory comes from the neural network learning in each generation (mutating the biases). The improvements comes from the Darwin Theory: Each generation you mutate randomly your population, then you evaluates each individual on the 3D physics simulation and finally chooses the bests individuals (the ones that walk faster). This is the basic concept of natural selection. Mutate, Evaluate and Select. The most adapted individuals (adapted to walk faster) are chosen and survives.
felipeportavales 4 years ago
thats really cool. What physics engine? Can the gene mutate into other body layouts/numbers of bodies?
Octamed 4 years ago
I used the Open Dynamics Engine. Yes, the gene is a tree where each node is a body Box, the tree can be mutated into any other combination of nodes and edges, therefore the body (the morphology) can be mutated too. Thanks for the comment :-)
felipeportavales 4 years ago