Article · Bulletin of the National Engineering Academy of the Republic of Kazakhstan · March 15, 2024
Global Practical Output Tracking for a Class of Uncertain Nonlinear Systems
Nurbolat Tasbolatuly, Aigerim Yerdenova, A.E. Nazyrova, G. B. Bakhadirova, Sandugash Alisheva
Abstract
This paper addresses the problem of global practical output control using output feedback for a class of uncertain nonlinear systems with time-varying delay. First, a homogeneous output feedback controller is designed for a nominally uncertain system by adding power integrator technology. Then, with the help of an appropriate Lyapunov-Krasovsky functional and a reduced-order observer, using the homogeneous dominance approach and adding a power integrator method, an output feedback controller is successfully designed to ensure that all states of the closed-loop system remain constrained while simultaneously making the tracking error arbitrarily small.
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