Abstract

AbstractSystem identification is an important field of modeling that allows obtaining mathematical models capable of reproducing the experimental behavior of dynamical systems accurately. When dealing with complex systems that involve more than one time and/or space scale, the identification task is not so trivial. In this context, this works focuses on the study of two‐time scaled systems (TTSSs), comprising a theoretical sensitivity analysis of prefiltered estimators for system identification purposes. It is worth mentioning that prefiltered estimators are a very important class of estimators when frequency‐domain identification is required rather than its time‐domain counterpart. Thus, the sensitivity analysis is performed for the identification of a Lockheed F104G aircraft model, which corresponds to a TTSS. Numerical simulations are also performed to validate the theoretical analysis.

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