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On Robust Approximate Feedback Linearization: Control with Two Gain-scaling Factors

Sang-Young Oh and Ho-Lim Choi*
International Journal of Control, Automation, and Systems, vol. 19, no. 2, pp.1151-1157, 2021

Abstract : In this paper, we consider a problem of global stabilization for a class of approximately feedback linearized nonlinear systems. In order to handle more nonlinearity over the existing results, we provide a new feedback controller with two gain-scaling factors and we show that more nonlinearity can be treated by our control scheme. Moreover, we analytically show that the considered nonlinear systems can be stabilized by the proposed controller. Through comparison practical examples, we illustrate the improved features of our proposed control method.

Keyword : Approximate feedback linearization, gain-scaling factors, nonlinear systems, robust stabilization

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