Identificação de sistemas com bases de funções de Laguerre.

Abstract

In the classical approach to system identification problem of identifying the system is the assessment of parameters of a given model, using an algorithm that uses data input and output of the process. In contrast, system identification with orthonormal basis functions allows incorporating a partial knowledge about the dynamics of the system which reduces the order and, consequently, fewer parameters are necessary in the. representation of the model. In this thesis we address the problem of identifying base systems using Laguerre functions. It proposed a new approach for identifying systems with, bases Laguerre using the relay experiment to obtain an initial estimate of the pole of Laguerre. The use of experiment relay allows to obtain a partial knowledge of the system being identified. In addition, several experiments of some processes first and second order were simulated with Matlab.