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Master's Dissertation
DOI
10.11606/D.18.2016.tde-12022016-173518
Document
Author
Full name
Marcio José da Cunha
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2004
Supervisor
Committee
Pinotti Júnior, Mário (President)
Caurin, Glauco Augusto de Paula
Kato, Edilson Reis Rodrigues
Title in Portuguese
Desenvolvimento e implementação de uma ferramenta computacional aplicada no processo de identificação de sistemas em ambientes Fieldbus foundation
Keywords in Portuguese
Estimação paramétrica
Fieldbus foundation
Identificação de sistemas
OPC
Abstract in Portuguese
Técnicas experimentais de identificação de sistemas de controle têm despertado interesse na indústria, devido a sua facilidade em se ajustar modelos matemáticos, facilitando a formulação e a resolução de problemas de controle de processos. É proposto o uso de uma técnica experimental de identificação de sistemas, utilizando a estrutura matemática linear ARX. Os parâmetros da estrutura matemática ARX são estimados por meio do algoritmo dos mínimos quadrados recursivo (RLS). A comunicação e a aquisição de dados de redes Fieldbus é feita através do padrão de comunicação OPC.
Title in English
Development and implementation of a computational tool applied to the system identification process in a Fieldbus foundation environment
Keywords in English
Fieldbus foundation
OPC
Parametric estimation
System identification
Abstract in English
Experimental system identification techniques are considered interesting by industrial sector due to the simple approach to adjust mathematical models, making it easy the formulation and the solution of process control problems. In this work a computational tool is proposed, the Sintonizador, based on the experimental technic of System Identification, using the linear mathematical structure ARX (Auto-Regressive with eXogenous inputs). The ARX structure parameters are estimated by RLS (Recursive Least Square) algorithm. The data comunication and data aquisition of the fieldbus network has been done through of the OPC comunication standard.
 
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Tese_Cunha_MarcioJ.pdf (17.56 Mbytes)
Publishing Date
2016-02-15
 
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