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Model validation: a connection between robust control and identification

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2 Author(s)
Smith, R.S. ; Dept. of Electr. & Comput. Eng., California Univ., Santa Barbara, CA, USA ; Doyle, J.C.

The gap between the models used in control synthesis and those obtained from identification experiments is considered by investigating the connection between uncertain models and data. The model validation problem addressed is: given experimental data and a model with both additive noise and norm-bounded perturbations, is it possible that the model could produce the observed input-output data? This problem is studied for the standard H/μ framework models. A necessary condition for such a model to describe an experimental datum is obtained. For a large class of models in the robust control framework, this condition is computable as the solution of a quadratic optimization problem

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Automatic Control, IEEE Transactions on  (Volume:37 ,  Issue: 7 )