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We employ parameter projection to improve robustness of the adaptive backstepping design with tuning functions. However, since projection is not compatible with the existing recursive procedure, we also propose a controller modification which enables the use of projection in backstepping designs....
This paper presents a new robust control for uncertain dynamic systems with sector nonlinear input. It is implemented by using variable structure control. The proposed variable structure controller ensures the global reaching condition of the sliding mode of the uncertain dynamic system. However,...