Abstract
This paper proposes a simple and systematic design approach to global robust stabilization of nonlinear systems in the presence of dynamic and static uncertainties. An extended concept of state-dependent scaling is newly introduced for robustification of feedback control against dynamic uncertainties. This paper presents a recursive design procedure which provides a global stabilizing state-feedback controller whenever the system belongs to a new class of strict-feedback systems, allowing both dynamic and static uncertainties. The state-dependent scaling method reduces problems of robust L/sub 2/ disturbance attenuation and robust almost disturbance decoupling to a special case of the robust stabilization design.
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