High gain adaptive control revisited : first and second order case

  title={High gain adaptive control revisited : first and second order case},
  author={Jan Willem Polderman and Iven M. Y. Mareels},
Adaptive controllers based on high gain feedback suffer from lack of robustness with respect to bounded disturbances. Existing modifications prevent the feedback gain from drifting away, but at the same time introduce solutions that, even in the absence of disturbances, do not converge to zero. In this paper we investigate a further modification that maintains the robustness and rules out undesirable solutions when disturbances are not present. For clarity of presentation and because of space… CONTINUE READING

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Asymptotic dynamics of adaptive high gain control Global adaptive stabilization in the absence of information on the sign of the high frequency gain . Part I : analysis and optimization of systems

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