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FIR approximation of linear systems from quantized records

Cerone, Vito and Piga, Dario and Regruto, Diego FIR approximation of linear systems from quantized records. In: 16th IFAC Symposium on System Identification. IFAC, pp. 1179-1184. ISBN 978-3-902823-06-9 (2012)

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In this paper we consider the problem of identifying a fixed-order FIR approximation of linear systems with unknown structure, assuming that both input and output measurements are subjected to quantization. In particular, a FIR model of given order which provides the best approximation of the input-output relationship is sought by minimizing the worst-case distance between the output of the true system and the modeled output, for all possible values of the input and output data consistent with their quantized measurements. First we show that the considered problem can be formulated in terms of robust optimization. Then, we present two different algorithms to compute the optimum of the formulated problem by means of linear programming techniques. The effectiveness of the proposed approach is illustrated by means of a simulation example.

Item Type: Book Section
Identification Number: 10.3182/20120711-3-BE-2027.00239
Additional Information: 16th IFAC Symposium on System Identification held in Brussels (Belgium), 11-13 July 2012
Uncontrolled Keywords: Bounded Error Identification
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Research Area: Computer Science and Applications
Depositing User: Ms T. Iannizzi
Date Deposited: 09 Jan 2015 12:25
Last Modified: 09 Jan 2015 12:25
URI: http://eprints.imtlucca.it/id/eprint/2450

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