Rejection of fixed direction disturbances in multivariable electromechanical motion systems

M.L.G. Boerlage, R. Middleton, M. Steinbuch, A.G. Jager, de

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Abstract

This work discusses rejection of disturbances with known directions in multivariable motion systems. It is shown how frequency domain tradeoffs in multivariable control motivate a design where the directions of disturbance are considered explicitly. A design method is presented to design multivariable centralized controllers to reject disturbances only in relevant directions. A model of an industrial motion system is used to demonstrate this method. It is shown how the proposed design method resembles the solution of a competing H8 design and offers the ability to interpret H8 centralized control solutions understanding the inherent tradeoffs of multivariable feedback control. Crown Copyright © 2009.
Original languageEnglish
Pages (from-to)45-52
JournalMechatronics
Volume20
Issue number1
DOIs
Publication statusPublished - 2010

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