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Nas indústrias de celulose e papel, a função do processo de evaporação é a de concentrar o licor negro diluído, proveniente do sistema de lavagem da polpa celulósica, a uma concentração acima de 60% de sólidos para ser injetado na caldeira
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2f469890f3c9b3a11145d0d56461905d
Autor:
ALMEIDA, ALEXANDRE MARQUES DE, Lenzi, Marcelo Kaminski, Silva, Geraldo Sales Da, Neitzel, Ivo
A closed-loop identification technique was applied to the pH control loop of the headbox of an industrial paperboard machine. A first-order-plus-time-delay process model was inserted into the closed-loop transfer function. The ISE index and its uncer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::13a54795edbc1d0d22495d69f1b132d0
Autor:
ALMEIDA, ALEXANDRE MARQUES DE, Lenzi, Marcelo Kaminski, Silva, Geraldo Sales Da, Neitzel, Ivo
Neste trabalho é abordada a identificação em malha fechada para controle do pH da caixa de entrada em uma máquina de produção de papel cartão multicamada, frente a incertezas paramétricas. Para tanto, a estratégia de controle estudada foi um
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ba5c2500cd1b9e2817adf9a1f500db2
Publikováno v:
Revista Gestão da Produção Operações e Sistemas; v. 11, n. 2 (2016); 1
GEPROS. Gestão da Produção. Operações e Sistemas
Universidade Estadual Paulista (UNESP)
instacron:UNESP
GEPROS. Gestão da Produção. Operações e Sistemas
Universidade Estadual Paulista (UNESP)
instacron:UNESP
A competitividade no setor de produção de fios fez as empresas buscarem soluções para a obtenção de um fio com qualidade e baixo custo. Hoje, o diferencial entre elas e, desta forma, o do setor, está na matéria-prima, ou seja, o algodão proc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______3056::e2c047345569b4a46cb2049dbd32c426
https://revista.feb.unesp.br/index.php/gepros/article/view/1355
https://revista.feb.unesp.br/index.php/gepros/article/view/1355
Autor:
Neitzel, Ivo, Lenzi, Marcelo Kaminski
Publikováno v:
Acta Scientiarum. Technology; Vol 22 (2000); 1167-1171
Acta Scientiarum. Technology; v. 22 (2000); 1167-1171
Acta scientiarum. Technology
Universidade Estadual de Maringá (UEM)
instacron:UEM
Acta Scientiarum. Technology; v. 22 (2000); 1167-1171
Acta scientiarum. Technology
Universidade Estadual de Maringá (UEM)
instacron:UEM
The development and the low cost of microcomputers introduced process control into a new era. Currently many analog and on-off controllers are being replaced by simple softwares. In this paper a simple and didactic process control experiment will be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______3056::21c2f28abb1cb824a8a4fdb7691d26fd
http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/3004
http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/3004
Publikováno v:
Acta Scientiarum. Technology; Vol 25 No 1 (2003); 33-38
Acta Scientiarum. Technology; v. 25 n. 1 (2003); 33-38
Acta scientiarum. Technology
Universidade Estadual de Maringá (UEM)
instacron:UEM
Acta Scientiarum. Technology; v. 25 n. 1 (2003); 33-38
Acta scientiarum. Technology
Universidade Estadual de Maringá (UEM)
instacron:UEM
Glucose can be obtained from cellulose through enzymatic hydrolysis by the enzymes of the celullase complex. Cellobiose hydrolysis by cellobiase exhibits substrate and product inhibition, which reduces the reaction's performance. The researches avail
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______3056::aae64a687bd53d1186cddfddfcba23d7
http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/2236
http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/2236
Publikováno v:
Acta Scientiarum. Technology; Vol 25 No 1 (2003); 39-44
Acta Scientiarum. Technology; v. 25 n. 1 (2003); 39-44
Acta scientiarum. Technology
Universidade Estadual de Maringá (UEM)
instacron:UEM
Acta Scientiarum. Technology; v. 25 n. 1 (2003); 39-44
Acta scientiarum. Technology
Universidade Estadual de Maringá (UEM)
instacron:UEM
The interpolation capabilities of multilayer perceptron networks (MLP) were used to solve a system of ordinary differential equations that models an axial dispersed non-adiabatic fixed bed reactor. The methodologies described in this paper follow the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______3056::3c7cd4d2069ccb81a61b4657c2cad4c0
http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/2238
http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/2238
Publikováno v:
Acta Scientiarum. Technology; Vol 25 No 2 (2003); 133-140
Acta Scientiarum. Technology; v. 25 n. 2 (2003); 133-140
Acta scientiarum. Technology
Universidade Estadual de Maringá (UEM)
instacron:UEM
Acta Scientiarum. Technology; v. 25 n. 2 (2003); 133-140
Acta scientiarum. Technology
Universidade Estadual de Maringá (UEM)
instacron:UEM
In this work, a transient model for a conveyor dryer used in gelatin drying is made through mass and energy balances, being initially considered three hypotheses for the equilibrium isotherm and two for the drying rate. The option about these equatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______3056::4fa804d09b883ff7a8e68781e595da8f
http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/2180
http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/2180
Autor:
Neitzel, Ivo, Kaminski Lenzi, Marcelo
Publikováno v:
Computer Applications in Engineering Education; Jun2001, Vol. 9 Issue 2, p101-104, 4p, 3 Diagrams, 1 Graph