Min-Sung Koo

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There are several results on the stabilization or regulation of a chain of integrators in the presence of a constant or time-varying delay in the input. However, the existing results commonly assume that the delay is restricted to be bounded. In this paper, the regulation problem of a chain of integrators with an unbounded time-varying delay in the input is(More)
There are several results on the stabilization or regulation of nonlinear systems with either triangular or feedforward nonlinearity. However, the existing results are applicable to their considered systems when the nonlinearity structure is known a priori. In this technical note, we propose a switching adaptive controller which tunes the dynamic gain(More)
There have been several results on the nonlinear control of a ball and beam system. However, the existing methods often consider a simplified model, and particularly they neglect the centrifugal force term. In this paper, we propose a full-model based adaptive state feedback controller with dynamic gain in order to control the ball and beam system using the(More)