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Block-oriented approximate feedback linearization for control of pneumatic actuator system
KTH, Superseded Departments, Machine Design.
KTH, Superseded Departments, Machine Design.ORCID iD: 0000-0002-7550-3134
2004 (English)In: Control Engineering Practice, ISSN 0967-0661, Vol. 12, no 4, 387-399 p.Article in journal (Refereed) Published
Abstract [en]

A block-oriented approximate feedback linearization methodology is presented in this paper. Accurate force control and high-precision positioning, 5 mum, of a rodless pneumatic cylinder system can be easily achieved with the presented techniques, despite the existence of high friction and substantial nonlinearities. Since the linearization is manipulated on block level, it only requires that some specific blocks are invertible or approximately invertible. This feature is favorable for a class of high order and extremely nonlinear systems. Experimental results, including force control, short distance (0.5 mm), low velocity (1 cm/s) and normal positioning are presented.

Place, publisher, year, edition, pages
2004. Vol. 12, no 4, 387-399 p.
Keyword [en]
feedback linearization, pneumatic systems, motion, force, friction, nonlinear control
National Category
Mechanical Engineering
URN: urn:nbn:se:kth:diva-23190DOI: 10.1016/s0967-0661(03)00104-7ISI: 000189088300002ScopusID: 2-s2.0-1142281086OAI: diva2:341888
QC 20100525 QC 20111028Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2011-10-28Bibliographically approved

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