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This paper mainly discusses an adaptive fuzzy sliding mode control problem for a microgyroscope system via a global fast terminal sliding mode approach. The fabrication imperfections, the time varying system parameters, and the external disturbances are taken into consideration synchronously, and the corresponding dynamic model is established. A global fast terminal sliding mode control scheme is...
The main purpose of this paper is to study the control problem for a class of SISO affine nonlinear systems with unknown dynamics by combining the extended state observer (ESO) technique and the projected gradient estimator. While ESO can be used to estimate the total uncertainties, the projected gradient algorithm is used to estimate the nonparametric uncertainties treated as time-varying parameters...
This paper deals with the modeling and the robust controller synthesis for nonlinear dc–dc converters. In the first part of this paper, a model for the bilinear dynamics is presented. Such nonlinear dynamics can be included in a convex polytope such that the trajectories of the converter out of the equilibrium are assured to remain inside a guaranteed region of stability despite of the bilinear term...
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