Stabilization of nonlinear systems in presence of filtered output via extended high-gain observers

Stabilization of Nonlinear Delay Systems Using Approximate Predictors and High-Gain Observers

We provide a solution to the heretofore open problem of stabilization of systems with arbitrarily long delays at the input and output of a nonlinear system using output feedback only. The solution is global, employs the predictor approach over the period that combines the input and output delays, addresses nonlinear systems with sampled measurements and with control applied using a zero-order h...

On Output Feedback Nonlinear Model Predictive Control Using High Gain Observers for a Class of Systems

In recent years, nonlinear model predictive control schemes have been derived that guarantee stability of the closed loop under the assumption of full state information. However, only limited advances have been made with respect to output feedback in connection to nonlinear predictive control. Most of the existing approaches for output feedback nonlinear model predictive control do only guarant...

Output feedback sampled-data control of nonlinear systems using high-gain observers

Determination of Gain and Phase Margins in Lur’e Nonlinear Systems using Extended Circle Criterion

Nonlinearity is one of the main behaviors of systems in the real world. Therefore, it seems necessary to introduce a method to determine the stability margin of these systems. Although the gain and phase margins are established criteria for the analysis of linear systems, finding a specific way to determine the true value of these margins in nonlinear systems in general is an ongoing research i...

Proofs of Lemmas 2.3-2.6 in the Paper "Stabilization of Nonlinear Delay Systems Using Approximate Predictors and High-Gain Observers"

We provide a solution to the heretofore open problem of stabilization of systems with arbitrarily long delays at the input and output of a nonlinear system using output feedback only. The solution is global, employs the predictor approach over the period that combines the input and output delays, addresses nonlinear systems with sampled measurements and with control applied using a zero-order h...