Intrinsic motivation signals for driving the acquisition of multiple tasks: A simulated robotic study

Abstract

Intrinsic Motivations (i.e motivations not connected to reward-related stimuli) drive humans and other biological agents to autonomously learn different skills in absence of any biologi- cal pressure or any assigned task. In this paper we investigate which is the best learning signal for driving the training of dif- ferent tasks in a modular architecture controlling a simulated kinematic robotic arm that has to reach for different objects. We compare the performance of the system varying the Intrin- sic Motivation signal and we show how a Task Predictor whose learning process is strictly connected to the competence of the system in the tasks is able to generate the most suitable signal for the autonomous learning of multiple skills.


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