TR: neural robot hand-eye coordination
Patrick van der Smagt
smagt at fwi.uva.nl
Wed Nov 24 15:45:29 EST 1993
The following technical report has been put in the connectionists
archive.
Robot hand-eye coordination using neural networks
P. Patrick van der Smagt, Frans C. A. Groen, and Ben J. A. Kr\"ose
Department of Computer Systems
University of Amsterdam
TR CS--93--10
A self-learning, adaptive control system for a robot arm using a
vision system in a feedback loop is described both in simulation and
in practice. The task of the control system is to position the
end-effector as accurately as possible directly above a target object,
so that it can be grasped. The camera of the vision system is
positioned in the end-effector and visual information is used
to control the robot. Knowledge of the size of the object is
used for obtaining 3D information from a single camera.
The neural controller is shown to exhibit `real-time' learning
behaviour, and adaptivity to unknown changes in the robot configuration.
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A postscript version of the paper can be obtained as follows:
unix> ftp archive.cis.ohio-state.edu
ftp> login name: anonymous
ftp> password: xxx at yyy.zzz
ftp> cd pub/neuroprose
ftp> bin
ftp> get smagt.hand-eye.ps.Z
ftp> bye
The technical report is 23 pages long, about 2M. Many Unix-systems
may require printing using
lpr -s smagt.hand-eye.ps
to prevent the print spooler from overflowing.
The paper contains two bitmap photographs (on pages 4 and 9),
which may confuse some printers. If you have trouble printing
the postscript file, remove those pictures as follows:
unix> sed -e '/photographstart/,/photographend/d' < smagt.hand-eye.ps > mu.ps
(or remove the blocks which are enclosed between the lines
containing "photographstart" and "photographend" in the ps file
by hand) which will mutilate figures 1 and 6. Then print mu.ps.
Patrick
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