Continuous I/O robust control of SISO time-varying systems (Q1361306)

A robust controller is proposed for SISO systems containing time-varying parameters subjected to high-order nonlinear disturbances. The derivation of the robust control, guaranteeing at least stability of uniform ultimate boundedness which can be made close to asymptotic stability requires input-output measurements, and is based on the existence of a bounding function on the magnitude of nonlinear disturbances and of bounds on the parameters and their derivatives.