Accurate decoupled linear modeling for robust H∞ control of multi axis shaking tables

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Abstract

This paper illustrates an improved linear modeling method for multi axis electro-hydraulically actuated servo systems to enable the design of high performance and robust H∞ controllers. The model is validated for a Multi Axis Simulation Table (MAST) located at the University of Bath. The dynamic analysis of the MAST proves the effectiveness of the modeling technique compared with conventional methods. Based on the validated linear model, the uncertainties of the system, as determined from parameter estimation errors and system nonlinearities, are quantified. This leads to the design of an H ∞, controller for the MAST. The simulated performance of this controller is then compared with that of a classical PI controller. In this paper, the control potential is demonstrated for horizontal table motion.
Original languageEnglish
Title of host publicationProceedings of the ASME Dynamic Systems and Control Conference 2009, DSCC2009
Place of PublicationNew York
PublisherASME
Pages1555-1562
Number of pages8
ISBN (Electronic)978-0-7918-3860-0
ISBN (Print)9780791848920
DOIs
Publication statusPublished - 2010
Event2009 ASME Dynamic Systems and Control Conference (DSCC2009) - Hollywood, CA, USA United States
Duration: 12 Oct 200914 Oct 2009

Conference

Conference2009 ASME Dynamic Systems and Control Conference (DSCC2009)
CountryUSA United States
CityHollywood, CA
Period12/10/0914/10/09

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