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UW-Madison Robotics Lab

Vladimir Lumelsky, Director

Sanjay Tiwari, Associate Scientist


Research Activities

The research in our Robotics Laboratory can be divided into three areas: theory/algorithms, graphics simulation/animation, and experimental work with hardware. Our theoretical tools come primarily from geometry and topology. We have been able to show that in spite of the formidable complexity and uncertainties of the robot environment, even simple sensory data are often sufficient to guarantee successful collision-free motion. A more recent direction here is work on vision-based exploration in three dimensions. Our computer graphics work is done with our three Silicon Graphics workstations, and concentrates on visualization and animation of motion, both in physical and in the corresponding configuration space. In the hardware area, we are working, here at UW and with the industry, on experimental validation of the motion planning strategies: one example is a recent prototype of a sensitive skin which covers the whole body of a large industrial arm manipulator in a manner similar to the human skin -- except proximity, not tactile, sensing is used based on many hundreds of sensors covering the skin. We also attempt to compare the performance of our systems with the human skills in motion planning, and develop hybrid systems in which the resulting motion comes from a real-time blend of geometric reasoning and decisions of a human operator and of an automatic planning system.


Meet the people in the lab...


Recent Publications


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Comments/suggestions/errata: reznik@robios.me.wisc.edu