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dc.contributor.authorDo, Khac Duc
dc.identifier.citationDo, K.D. 2010. Control of nonlinear systems with output tracking error constraints and its application to magnetic bearings. International Journal of Control. 83 (6): pp. 1199-1216.

A constructive method is presented to design controllers that force the output of nonlinear systems in a strict feedback form to track a bounded and sufficiently smooth reference trajectory asymptotically. Under a suitable condition on the initial output tracking error, the proposed controllers guarantee the output tracking error within a symmetric or an asymmetric pre-specified limit range, and boundedness of all signals of the closed-loop system. A transformation is introduced to take care of the output tracking error constraint. Smooth and/or p-times differentiable step functions are proposed and incorporated in the output tracking error transformation to overcome difficulties due to the asymmetric limit range on the output tracking error. As a result, there are no switchings in the proposed controllers despite the asymmetric limit range. The proposed control design is then applied to design a tracking controller for active magnetic bearings as an illustrating application. © 2010 Taylor & Francis.

dc.publisherTaylor & Francis
dc.titleControl of nonlinear systems with output tracking error constraints and its application to magnetic bearings
dc.typeJournal Article
dcterms.source.titleInternational Journal of Control
curtin.departmentDepartment of Mechanical Engineering
curtin.accessStatusFulltext not available

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