2008
DOI: 10.1115/1.2833910
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Advances in System Identification Using Fractional Models

Abstract: This paper presents an up to date advances in time-domain system identification using fractional models. Both equation-error- and output-error-based models are detailed. In the former models, prior knowledge is generally used to fix differentiation orders; model coefficients are estimated using least squares. The latter models allow simultaneous estimation of model coefficients and differentiation orders using nonlinear programing. As an example, a thermal system is identified using a fractional model and is c… Show more

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Cited by 104 publications
(44 citation statements)
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“…Some researchers focus on it, and have presented several identification methods both in time domain and in frequency domain. In time domain, Rachid et al [4] proposed an identification method based on fractional Poisson filter with respect to equation error and output error. The identification of continuous order distribution systems was studied by Hartley et al [5] in time domain, and a least square result was obtained.…”
Section: Introductionmentioning
confidence: 99%
“…Some researchers focus on it, and have presented several identification methods both in time domain and in frequency domain. In time domain, Rachid et al [4] proposed an identification method based on fractional Poisson filter with respect to equation error and output error. The identification of continuous order distribution systems was studied by Hartley et al [5] in time domain, and a least square result was obtained.…”
Section: Introductionmentioning
confidence: 99%
“…Recently, Malti et al (2008b) have extended the concept of optimal IV methods to fractional systems. For an overview of these identification methods refer to Malti et al (2008a).…”
Section: Introductionmentioning
confidence: 99%
“…where λx(t), λu(t) and λe(t) correspond to the states, the inputs and the noise prefiltered by Λ in (9). Then, from (13), it is found by recursion that:…”
Section: Fractional Systemsmentioning
confidence: 99%
“…Recently, Malti et al [8] have extended the concept of optimal IV methods to fractional systems. For an overview of these identification methods refer to [9].…”
Section: Introductionmentioning
confidence: 99%