Model Uncertainty and Feedback

  • Karl J. Åström


A key reason for using feedback is to reduce the effects of uncertainty that may appear in different forms as disturbances or as other imperfections in the models used to design the feedback law. Model uncertainty and robustness have been a central theme in the development of the field of automatic control. This paper gives an elementary presentation of the key results.


Half Plane Phase Margin Crossover Frequency Loop Shaping Linear Quadratic Gaussian 
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Copyright information

© Springer-Verlag London 2002

Authors and Affiliations

  • Karl J. Åström

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