Adaptive event-triggered control for a family of uncertain switched nonlinear systems with full-state constraints

Abstract

This article concentrates on the adaptive event-triggered control (ETC) for a family of switched nonlinear systems with full-state constraints. Firstly, a first-order command filter is introduced to shun the explosion of complexity, and the compensating signals are designed to cancel the influence of filtering errors. Then, based on fuzzy logic systems (FLSs), by combining the first-order command filtered control and backstepping technology, a new event-triggered controller is proposed, which reduces the triggering frequency and effectively handles the mismatch problem between controllers and subsystems. The designed control scheme based on barrier Lyapunov functions (BLFs) can guarantee that the full-state constraints are not violated and the tracking error converges to a neighborhood of the origin. Finally, the effectiveness of the proposed control scheme is illustrated by two simulation examples.