Dienstag, 15. Juni 2010

[HIForum] [Kolloquium] Vortrag am 21.6.10 - Prof. Dr. J. Hertzberg

Einladung zum

Informatischen Kolloquium Hamburg


Montag, 21. Juni 2010
um 17 Uhr c.t.
Vogt-Kölln-Straße 30
Konrad-Zuse-Hörsaal
Gebäude B

Prof. Dr. Joachim Hertzberg
Universität Osnabrück
Institut für Informatik

*On Affordances and Plan-Based Robot Control*

Affordances as of psychologist J.J. Gibson keep surfacing in the
robotics literature as an approach or a metaphor for modeling the
essential real-time coupling between the steady flow of sensor data
and action control. Affordances in Gibson's sense are possibilities of
action for an agent that the agent is able to perceive directly in its
environment. Their usage in the robotics literature is correlated with
reactive or behavior-based control and with learning approaches on a
relatively low level of sensor and actuator data.

In our work, we assume that the action part of an affordance is
implemented on a robot as a closed-loop control routine -- this is
much in a Gibsonian spirit. Much against Gibson's ideas, we also
assume that affordances may be represented and reasoned about, and
perceived affordance tokens may be stored in a map. Moreover, an
aspect of affordance representations is that the afforded action may
be cast into an action description that is part of the action
repertoire of some classical planning domain description -- here,
Gibson would strongly object. However, in that way actions expected to
be afforded in some region of the environment may be put into symbolic
action plans and made a robust part of plan-based robot control. The
talk will explain the basic ideas, present some demo examples and
experiments of its usage, and discuss the potential of the approach.


Kontakt: Prof. Dr. Jianwei Zhang
zhang@informatik.uni-hamburg.de, Tel. 42883-2431


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Termine unter: http://www.informatik.uni-hamburg.de/Info/Kolloquium/


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