Abstract
This paper introduces a new method for adaptive control of a robot approaching a person controlled by the person’s interest in interaction. For adjustment of the robot behavior a cost function centered in the person is adapted according to an introduced person evaluator method relying on the three variables: the distance between the person and the robot, the relative velocity between the two, and position of the person. The person evaluator method determine the person’s interest by evaluating the spatial relationship between robot and person in a Case Based Reasoning (CBR) system that is trained to determine to which degree the person is interested in interaction. The outcome of the CBR system is used to adapt the cost function around the person, so that the robot’s behavior is adapted to the expressed interest. The proposed methods are evaluated by a number of physical experiments that demonstrate the effectiveness of the adaptive cost function approach, which allows the robot to locate itself in front of a person who has expressed interest through his or hers spatial motion.
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Andersen, H.J., Bak, T., Svenstrup, M. (2009). Adaptive Robot to Person Encounter by Motion Patterns. In: Gottscheber, A., Enderle, S., Obdrzalek, D. (eds) Research and Education in Robotics — EUROBOT 2008. EUROBOT 2008. Communications in Computer and Information Science, vol 33. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-03558-6_1
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DOI: https://doi.org/10.1007/978-3-642-03558-6_1
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