2006
DOI: 10.1016/j.jprocont.2006.08.005
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Simple control-relevant identification test methods for a class of ill-conditioned processes

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Cited by 30 publications
(46 citation statements)
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“…Using a MIMO structure which represents the complete relation in (8) and (9). In more compact form, (8) can be rewritten as…”
Section: Model Structuresmentioning
confidence: 99%
See 1 more Smart Citation
“…Using a MIMO structure which represents the complete relation in (8) and (9). In more compact form, (8) can be rewritten as…”
Section: Model Structuresmentioning
confidence: 99%
“…The limited available measurements presents another challenge, since some internal states are unmeasured. The parameters estimations were carried out using numerical algorithm for subspace statespace system identification (N4SID) algorithm [14], which have been commended by many researches as an excellent technique to perform a multivariable identification, see [8,[14][15][16]. The focus is to address the problem of developing a proper procedure for constructing an empirical model of an interacting series process from input-output data using system identification technique, and to further validated it in a real-time implementation of a linear MPC on controlling a nonlinear process plant.…”
Section: Introductionmentioning
confidence: 99%
“…In the literature, popular approaches for the identification of such systems rely on the use of large amplitude correlated components and small amplitude uncorrelated components. Examples of these approaches can be found in [5], [6], [15], [23].…”
Section: Extension To the Identification Of Ill-conditioned Systemsmentioning
confidence: 99%
“…Controladores adequados eliminam (ou minimizam) o efeito do mal condicionamento, pois desacoplam as saídas. Porém, bons controladores raramente estão disponíveis para um processo mal condicionado ou para obtê-losé necessário previamente identificar o processo (STEC; ZHU, 2001a) (ZHU; STEC, 2006). Essa limitação reitera a justificativa de obter sinais adequados para identificação de processos mal condicionados.…”
Section: Coluna De Destilação De Alta Purezaunclassified
“…Uma diretriz para a determinação desse fator foi proposta em (ZHU; STEC, 2006): se o número de condição da planta para o caso estático for γ, então a amplitude dos sinais no período de maior amplitude será até γ vezes a amplitude dos sinais no período de menor amplitude. Então, tem-se a diretriz: A figura 8.6 apresenta um exemplo de sinais obtidos com o método de dois passos.…”
Section: Métodos De Dois Passosunclassified