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1 2008

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Determining the effective time intervals in the recurrent processes of identification of dynamic systems

Popov O., Barcz A., Piela P.

Metody Informatyki Stosowanej

2008

nr 4 (Tom 17)

195--202

Using the mathematical models of dynamic objects in the simulation and modeling tasks we must pay attention to quality and speed of creation of those models. Depending on the amount of information about the considered object we can distinguish various tasks of model creation. One of the way of create model is using the identification methods. In case when we need the mathematical model of considered system while this system is operating it is necessary to use the recurrent algorithms of identification. Length of duration of the identification algorithm is specific a priori by the researcher. In the paper the way of using the singular value decomposition (SVD) in the identification equation for determining the effective time intervals of identification process is shown. It allows to determine the time of ending the identification algorithm.