Dynamic feedback linearization for electrohydraulically actuated servosystems

Reza Vossoughi, Max Donath

Research output: Contribution to conferencePaper

8 Scopus citations

Abstract

Nonlinear effects such as asymmetric actuation, nonlinear transmission ratio, variations in the trapped fluid volume as well as nonlinear pressure/flow gains limit the performance of electrohydraulic servosystems under linear control. Using the dynamic inversion principal a globally linearizing feedback control law was developed and experimentally verified on an electrohydraulic system. The results indicate that better uniformity of response was achieved across a wider range of operating conditions and improved symmetry was obtained for the extension and retraction phases of motion. As a result of the improvement in the linearity, better performance is achieved with linear controllers.

Original languageEnglish (US)
Pages595-606
Number of pages12
StatePublished - Dec 1 1992
EventProceedings of the 1992 Japan - USA Symposium on Flexible Automation Part 1 (of 2) - San Francisco, CA, USA
Duration: Jul 13 1992Jul 15 1992

Other

OtherProceedings of the 1992 Japan - USA Symposium on Flexible Automation Part 1 (of 2)
CitySan Francisco, CA, USA
Period7/13/927/15/92

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    Vossoughi, R., & Donath, M. (1992). Dynamic feedback linearization for electrohydraulically actuated servosystems. 595-606. Paper presented at Proceedings of the 1992 Japan - USA Symposium on Flexible Automation Part 1 (of 2), San Francisco, CA, USA, .