Observer-based compensation of discontinuous friction

D. Putra, L. Moreau, H. Nijmeijer

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Abstract

This paper presents an observer-based friction compensation design for a class of frictional systems guaranteeing global exponential stability of the closed-loop system in the absence of velocity measurements. The friction compensation scheme allows a fairly general discontinuous friction model that is able to describe stiction and the Stribeck effect, and which can fit experimentally obtained velocity-friction maps. The design method is based on passivity theory. It only involves well-known linear design criteria: strictly positive real (SPR) and Hurwitz conditions, and it preserves the separation and the certainty equivalence principles. The effectiveness of the design method is tested on an experimental setup.
Original languageEnglish
Title of host publication43rd IEEE conference on decision and control : Nassau, Bahamas, 14-17 December 2004
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages4940-4945
Volume5
ISBN (Print)0-7803-8682-5
Publication statusPublished - 2004

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    Putra, D., Moreau, L., & Nijmeijer, H. (2004). Observer-based compensation of discontinuous friction. In 43rd IEEE conference on decision and control : Nassau, Bahamas, 14-17 December 2004 (Vol. 5, pp. 4940-4945). Institute of Electrical and Electronics Engineers.