Modelling and LPV control of an electro-hydraulic servo system

G.J.L. Naus, F.P. Wijnheijmer, W.J.A.E.M. Post, M. Steinbuch, A.P. Teerhuis

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

23 Citations (Scopus)
303 Downloads (Pure)


This paper aims to show the modelling and control of an hydraulic servo system, targeting at frequency domain based controller design and the implementation of a LPV controller. The actual set-up consists of a mass, moved by a hydraulic cylinder and an electro-hydraulic servo valve. A nonlinear parametric model of the system, a number of fitted linear black box models as well as a LPV model combining these fits have been determined. In discretization of the control strategies for implementation on a digital control system, a new discretization algorithm is derived for LPV structures. Simulations and experimental results indicate the potential benefits of a position dependent controller over a classical controller, but show the limitations as well.
Original languageEnglish
Title of host publicationComputer Aided Control System Design, 2006 IEEE International Conference on Control Applications, 2006 IEEE International Symposium on Intelligent Control, 2006 IEEE, 4-6 October 2006, Munich, Germany
Place of PublicationBerlin
PublisherInstitute of Electrical and Electronics Engineers
ISBN (Print)0-7803-9797-5
Publication statusPublished - 2006


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