This paper is devoted to stability analysis and synthesis of uncertain systems subject to input saturation. A new parameter-dependent Lyapunov function analyzing approach is proposed to reduce the conservatism in stability analysis for the polytopic systems subject to input saturation. Some new stability conditions and a gain-scheduling controller design method are then developed by the LMI opt...

Presented is a two step windup prevention scheme with proven stability for observer based compensators possibly containing signal models for disturbance rejection. If the undesired effects of input saturation can solely be attributed to badly damped or unstable compensator dynamics (controller windup), they are prevented by simple structural measures not increasing the compensator order. Only i...

In this paper, we show that a linear discrete-time system subject to input saturation is semi-globally exponentially stabilizable via linear state and/or output feedback laws as long as the system in the absence of input saturation is stabilizable and detectable, and has all its poles located inside or on the unit circle. Furthermore, the semi-globally stabilizing feedback laws are explicitly c...