Journal
ROBOTICS AND AUTONOMOUS SYSTEMS
Volume 40, Issue 2-3, Pages 69-77Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0921-8890(02)00232-4
Keywords
behavior acquisition; adaptive fitness function; multiple optimization problem; Genetic Programming; RoboCup
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We have to prepare the evaluation (fitness) function to evaluate the performance of the robot when we apply the machine learning techniques to the robot application. In many cases, the fitness function is composed of several aspects. Simple implementation to cope with the multiple fitness functions is a weighted summation. This paper presents an adaptive fitness function for the evolutionary computation to obtain the purposive behaviors through changing the weights for the fitness function. As an example task, a basic behavior in a simplified soccer game (shooting a ball into the opponent goal) is selected to show the validity of the adaptive fitness function. Simulation results and real experiments are shown, and a discussion is given. (C) 2002 Elsevier Science B.V. All rights reserved.
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