Inspec keywords: time-varying systems; Lyapunov methods; neurocontrollers; closed loop systems; feedback; function approximation; nonlinear control systems; tracking

Other keywords: known nonlinear systems; unknown nonlinear systems; asymptotic tracking control problem; external disturbances; time-varying output constraints; input saturation; barrier Lyapunov function; unknown function approximation; closed-loop signals; neural networks reconstruction errors; strict-feedback nonlinear systems; Nussbaum gain technique; input saturation effects

Subjects: Interpolation and function approximation (numerical analysis); Stability in control theory; Time-varying control systems; Nonlinear control systems; Neurocontrol