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Discretization of a Continuous Time Delay System via Interpolation

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2 Author(s)
Unzueta, M.V.R. ; Politec. da Univ. de Sao Paulo, Sao Paulo ; Piqueira, J.R.C.

This text introduces a method for obtaining a discrete-time state space model from a continuous time delay system via state interpolation. It is assumed here that inputs are constant within sample time intervals, characterizing a Zero Order Hold (ZOH). Assuming that states are first order linear functions - first order interpolation - we obtain more accurate responses. Inputs and outputs with dead-time are also considered.

Published in:

System Theory, 2008. SSST 2008. 40th Southeastern Symposium on

Date of Conference:

16-18 March 2008