Output based control for an underactuated system: experimental results

R. Steen, van der, H. Nijmeijer

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Abstract

This paper considers output based tracking control for an experimental underactuated H-drive manipulator. This manipulator can be transformed into a so-called second-order chained form by a coordinate- and feedback transformation. An observer is proposed to solve the output feedback problem for systems in second-order chained form. For the designed observer global stability of the closed loop system is proved. Due to friction in the unactuated rotational joint the closed loop system is no longer asymptotically stable, but with a heuristic modification of the observer both the tracking and observer errors are bounded. Experimental results show the validity of this approach.
Original languageEnglish
Title of host publicationProceedings of the 16th IFAC World Congress, July 4-8, 2005, Prague, Czech Republic
PublisherElsevier
PagesCD-ROM, 6 pages
DOIs
Publication statusPublished - 2005

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    Steen, van der, R., & Nijmeijer, H. (2005). Output based control for an underactuated system: experimental results. In Proceedings of the 16th IFAC World Congress, July 4-8, 2005, Prague, Czech Republic (pp. CD-ROM, 6 pages). Elsevier. https://doi.org/10.3182/20050703-6-CZ-1902.00721