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Luca Gentili and Lorenzo Marconi
"Robust Disturbance Suppression of a Magnetic Levitation System with Input Constraint"
Type Conference
Author(s) Luca Gentili and Lorenzo Marconi
Title Robust Disturbance Suppression of a Magnetic Levitation System with Input Constraint
Editor IFAC 2002 World Congress, Barcelona, Spain
Keywords Nonlinear output regulation, Magnetic levitation system, Small gain theorem, Saturated control
In this paper the problem of noise suppression for a magnetic levitation system is addressed. The problem is formulated as a nonlinear regulation problem; a state feedback and an error feedback internal model-based regulators are designed, able to offset the noise in spite of the presence of unknown parameters affecting the model of the system. In both cases a saturated control law is designed in order to fulfill physically constraint characterizing the system. Moreover a general result in the context of output regulation of linear systems with constant uncertain parameters affecting the inputs channel and with inputs constraint is addressed.
Document (310435 bytes)
Year 2002

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