Robustness of adaptive controllers - A survey

Abstract Some theoretical results on robustness of adaptive control are surveyed. The survey is divided into three parts. The first part treats robustness of standard model reference controllers with respect to reduced order modeling and bounded disturbances. Robustness properties of other controller structures are also explored in the literature. Some of the results are reported in the second part of the paper. The third part, generically called other robustness problems, presents the results pertaining to other types of modeling uncertainties, namely: time variations, mismatched delay and nonlinearities.

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