Supervisory Control
Mostrando 1-12 de 44 artigos, teses e dissertações.
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1. IDENTIFICAÇÃO DE ADULTERANTES DE BIODIESEL METÍLICO DE CRAMBE EM MISTURAS COM DIESEL, USANDO FT-MIR E CARTAS DE CONTROLE MULTIVARIADAS BASEADAS NO SINAL ANALÍTICO LÍQUIDO
Adulterants in biodiesel/diesel blends modifies its physical and chemical properties. In this work, Fourier Transform Mid-Infrared spectrometry (FT-MIR) and multivariate control charts based on Net Analyte Signal (NAS) were used to monitor the quality of Crambe methyl biodiesel in relation to the biodiesel content and the presence of adulterants. The calibra
Quím. Nova. Publicado em: 2020-01
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2. Experimental Validation of a Cardiac Simulator for in vitro Evaluation of Prosthetic Heart Valves
Abstract Objective: This work describes the experimental validation of a cardiac simulator for three heart rates (60, 80 and 100 beats per minute), under physiological conditions, as a suitable environment for prosthetic heart valves testing in the mitral or aortic position. Methods: In the experiment, an aortic bileaflet mechanical valve and a mitral biop
Braz. J. Cardiovasc. Surg.. Publicado em: 2016-04
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3. Desenvolvimento de um controlador de irrigação para áreas experimentais / Development of an irrigation controller for experimental areas
Irrigation scheduling at experimental areas is determined by several factors, which are mainly related to features of each unit (container or bed) and criteria set by researchers. Many times the experimental areas are greenhouses and depending on the research may be necessary provide mechanisms for monitoring sensors and controlling actuators on each unit in
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 29/08/2012
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4. Implementation of supervisory control in PLCs using high-level language / Implementação de controle supervisório em CLPs usando linguagem de alto nível
Hoje em dia a competitividade entre as empresas está cada vez maior. Em um sistema de produção, a eficácia, a velocidade e a flexibilidade são importantes, pois significam redução de custos. Os sistemas de automação atuais estão cada vez mais complexos, justificando a necessidade de programas de controle mais eficientes, sem erros e de fácil manut
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 15/02/2012
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5. Fuzzy logic for structural system control
This paper provides some information and numerical tests that aims to investigate the use of a Fuzzy Controller applied to control systems. Some advantages are reported regarding the use of this controller, such as the characteristic ease of implementation due to its semantic feature in the statement of the control rules. On the other hand, it is also hypoth
Lat. Am. j. solids struct.. Publicado em: 2012
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6. Automation in water supply systems. Case of the reservation control distribution / Automação nos sistemas de abastecimento de água. Caso do controle da reservação de distribuição
Industrial automation systems applied in water supply were quite simple until recently. The advent of Programmable Controllers, associated with the development of modern control theory, allowed a greater and more effective automation of these systems. This paper discusses the use of automation in sanitation systems implementing "artificial intelligence" for
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 29/08/2011
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7. Controle supervisÃrio de sistemas a eventos discretos, usando redes de Petri coloridas / Supervisory control of discrete event systems using coloured Petri nets
Esse trabalho propÃe um novo mÃtodo para sÃntese de supervisores em sistemas a eventos discretos, utilizando redes de Petri coloridas, baseado no contexto da teoria de controle supervisÃrio. Como aspecto principal, tem-se a formalizaÃÃo teÃrica e a prova matemÃtica do mÃtodo para sÃntese desses supervisores, denominado RestriÃÃes de Controle sobr
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 09/08/2011
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8. Metodologia para implementação de controle supervisório modular local em controladores lógicos programáveis / Methodology for implementation of supervisory control local modular in programmable logic control
Currently, manufacturing automation has assumed an increasingly important role within the industry and the problems of automated control systems have become increasingly complex. Thus, the traditional use of empirical methods heavily base on the experience of the programmer can lead to inappropriate or ineffective solutions. In this case, the Supervisory Con
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 29/07/2011
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9. Automação do processo de soldagem a laser (Nd:YAG) para confecção das sementes de Iodo-125 utilizadas em braquiterapia / Development of an automation system for iodine-125 brachytherapy seed production by (Nd:YAG) laser welding
The aim of this work is to develop an automation system for iodine-125 radioactive seed production by (Nd:YAG) laser welding, which has been used successfully in Low Dose Rate (LDR) brachytherapy treatment. This small seed consists of a welded titanium capsule, with 0.8mm in diameter and 4.5mm in length, containing iodine-125 adsorbed onto a silver rod. The
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 10/09/2010
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10. CONTROLE SUPERVISÓRIO APLICADO A SISTEMAS FOTOVOLTAICOS AUTÔNOMOS COM TOPOLOGIA MULTI STRING / SUPERVISORY CONTROL APPLIED TO STAND-ALONE PHOTOVOLTAIC SYSTEMS BASED ON MULTI STRING TOPOLOGY
Este trabalho analisa e implementa um sistema fotovoltaico autônomo baseado no conceito de topologia descentralizada do tipo Multi String. O sistema proposto é constituído de um conjunto de conversores CC-CC vinculados aos arranjos de painéis, um conversor bidirecional para controle da carga e descarga do banco de baterias e um inversor de saída que for
Publicado em: 2010
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11. Study of a cooling system with air forced with monitoring of electrical energy consumption / Estudo de um sistema de resfriamento com ar forçado com monitoramento do consumo de energia eletrica
This work is a study of a classical controller implementation using tuning method referred to as IMC (Internal Model Control), aimed at reducing electrical energy consumption that proceed the appropriate relation between this consumption and cooling time of the cooling process with forced air. For this, the supervisory system installed is able to manipulate
Publicado em: 2010
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12. Cibersegurança em sistemas de automação em plantas de tratamento de água. / Cibersecurity in automation systems in water treatment plants.
Currently, information security is a constant concern of the several institutions and countries that use computing resources for communication and service offering purposes. Protection methods and countermeasures for traditional networks such as firewalls and intrusion detectors are known and ordinarily used. The same goes for control systems and data acquis
Publicado em: 2010