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This paper investigates the semi-global practical stabilization for second-order nonlinear systems subject to unknown control coefficients and completely unknown nonlinear function. In order to achieve the control objective, a state feedback controller is firstly constructed to ensure that systems under consideration satisfy uniform Lyapunov property. Then, based on output feedback domination method,...
Global output feedback stabilization for a class of switched nonlinear systems is addressed. The tasks of finding a common Lyapunov function and designing state stabilizing feedback laws are solved simultaneously based on the adding a power integrator approach. Reduced-order compensators for the switched nonlinear system are constructed to estimate the unmeasurable states. Coupling the state feedback...
This paper considers the problem of global practical tracking via state feedback sampled-data control for a class of uncertain nonlinear systems. Under a lower-triangular linear growth condition, a sampled-data state feedback controller is constructed such that the states are globally bounded and the error between the system output and the reference signal will be rendered smaller than a given tolerance...
This paper examines the use of output feedback to stabilize a planar vertical take-off and landing (PVTOL) aircraft in a finite time. The control of such PVTOL aircraft is already challenging due to the nonlinear cross-coupling between the aircraft axes and the issue of non-minimum phase dynamics. The results from this paper explore the control of the PVTOL aircraft model when there is the added design...
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