Prevalence of locally parameter identifiable systems |
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Authors: | N A Bodunov S A Kolbina S Yu Pilyugin |
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Institution: | 1.St. Petersburg State Electrotechnical University,St. Petersburg,Russia;2.St. Petersburg State University,St. Petersburg,Russia |
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Abstract: | The problem of local parameter identifiability of an input–output system is considered. A set lf of systems is studied for which the property of local parameter identifiability holds for almost all values of input signals and parameters in both topological and metric senses. Sufficient conditions are pointed out under which the set LI contains a prevalent subset. The proof is based on the prevalent transversality theorem proved by Kaloshin. Systems are considered that are characterized by a family of (structural) parameters a and a control block. It is shown that if the dimension of the set of parameters a is large enough (the structure of the system is rich enough), then, generically, a system f a belongs to the class lf for a set of parameters a having full measure. |
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