Stability Analysis of Discrete-Time Systems in a State-Space Realisation With State Saturation Nonlinearities: Linear Matrix Inequality Approach

Abstract

A computationally efficient linear matrix inequality (LMI)-based criterion for the global asymptotic stability of discrete-time systems in a state-space realisation with state saturation nonlinearities is presented. The criterion turns out to be an improved generalised version of a previously reported LMI-based criterion. The extension of the approach to a situation involving partial state saturation nonlinearities is performed.