Observer-based ILC applied to the Gantry-Tau parallel kinematic robot [Elektronisk resurs]modelling, design and experiments /Johanna Wallén, Isolde Dressler, Anders Robertsson, Mikael Norrlöf, Svante Gunnarsson.

Publicerad:Linköping :Publicerad:Linköping University Elecotronic Press,Publicerad:2010
21 s.
Text

Three approaches of iterative learning control (ILC) applied to a Gantry-Tau parallel kinematic robot are studied; ILC algorithms using 1) measured motor angles, 2) tool-position estimates, and for evaluation purposes, 3) measured tool position. The approaches are compared experimentally, with the tool performance evaluated using external sensors. It is concluded that the tool performance can be improved using tool-position estimates in the ILC algorithm, compared to when using motor-angle measurements. Applying ILC algorithms to a system following trajectories with so-called lead-in/lead-out is also considered in the paper.

http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-97735Sammanfattning och fulltext från Linköping University Electronic Press

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