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Evolution of morphology and control of a bipedal walking device
Steffen Wischmann
Fraunhofer Institute for Autonomous Intelligent Systems
Schloss Birlinghoven, D-53754 Sankt Augustin, Germany
steffen.wischmann@ais.fraunhofer.de

Abstract

Applying an evolutionary algorithm, first the morphology of a simulated passive dynamic bipedal walking device, able to walk down a shallow slope, is developed. Second, using such an evolved solution and adding minimal motoric and sensoric equipment to this morphology, a neural controller is evolved, enabling the walking device to walk an a flat surface with minimal energy consumption. The applied evolutionary algorithm fixes neither the size nor the structure of the neural controllers. Especially, it is able to generate recurrent networks, small enough to be any analyzed with respect to their behavior relevant inner dynamics. An example of such a controller is given which realizes also minimal energy consumption.

Keywords

evolutionary robotics, genetic algorithms, artificial neural networks