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Proceedings of the International Conference on Control Applications
This paper addresses the problem of Variable Structure Systems (VSS) observer design based on the natural Matrix Second Order (MSO) model that represents a large class of linear and nonlinear mechanical vibrating structures. In this natural MSO form, the symmetric and definiteness properties of the system matrices are exploited to search for a suitable Lyapunov function and an effective VSS estimation law. The proposed observers can be used to robustly estimate oscillations in otherdoi:10.1109/cca.2002.1040165 fatcat:sxlzy6kymrbppfsnljedq3njaa