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Itens para a visualização no momento 11-20 of 22
Proposta para otimização de protocolos de exames em tomografia computadorizada, visando a redução das doses de radiação dos pacientes
(Universidade Federal de Santa Maria, 2011-08-30)
The challenge for professional physicists, doctors and technicians and to identify the
limits of acceptable image quality of the procedures to minimize the radiation dose to
patients subjected. The definition of image ...
Sistema de projetos otimizados de conversores estáticos (POCE) usando algoritmos genéticos
(Universidade Federal de Santa Maria, 2017-03-27)
Nowadays, there is a growing need for rational and efficient use of energy generated, be it traditional or renewable sources. Power electronics performs the interface between generation and consumption, allowing explore ...
Uma nova abordagem para a estimação da seção em falta em sistemas elétricos de potência através da geração de padrões de causa efeito em tempo real
(Universidade Federal de Santa Maria, 2013-08-12)
This work proposes a dynamic tool for solving the problem of fault section estimation in power systems. A Binary Integer Problem (BIP) is used to identify the faulty section trough analyses of circuit breakers states and ...
Otimização do processo de sacarificação do amido de batata (Solanum Tuberosaum L.) utilizando enzimas amilolíticas
(Universidade Federal de Santa Maria, 2011-05-20)
The potato (Solanum tuberosum) is important raw material for agro-industrial production of hydrolysates. The lack of information about the process of hydrolysis of potato starch industry hampers the use of regional raw ...
Aplicação de um método de otimização no projeto de fornos para tratamento térmico
(Universidade Federal de Santa Maria, 2020-07-13)
The design of a heat treatment furnace can be carried out by trial and error method. However, this practice can lead to inaccurate results, as well as warping and cracking on the
surfaces of materials to be heat treated. ...
Otimizacão da coordenação de relés de sobrecorrente direcionais em sistemas elétricos de potência utilizando a programação inteira binária
(Universidade Federal de Santa Maria, 2012-02-23)
This work aims to optimize the coordination of microprocessor-based directional overcurrent relays in power systems using Binary Integer Programming (BIP). Two new mathematical models of BIP are presented. The first ...
Estudo de ciclos de refrigeração utilizando R-744 como fluido refrigerante
(Universidade Federal de Santa Maria, 2019-12-19)
HCFCs’ fluids are the most commonly used in refrigeration cycles. However, new guidelines foresee the abandonment of such fluids for environmental reasons and the industry has again turned its attention to natural fluids, ...
Efeitos no consumo de combustível e emissão de poluentes pelo uso de altitude variável durante o voo de cruzeiro
(Universidade Federal de Santa Maria, 2020-09-18)
The growth in air traffic, especially on low-cost flight, combined with the increase in oil prices
and the growing concern with environmental impacts, increase the aeronautical sector
research for ways to reduce fuel ...
Otimização de níveis de tensão nas redes de distribuição considerando a alocação de bancos de capacitores e reguladores de tensão.
(Universidade Federal de Santa Maria, 2011-04-11)
The reactive power and voltage level control in distribution networks are routine in a
power. The customer s voltage levels legislation, allows to the customers with voltage
levels out of the limits stipulated by Brazilian ...
Aplicação de um método de otimização no projeto de fornos para tratamento térmico
(Universidade Federal de Santa Maria, 2020-07-13)
The design of a heat treatment furnace can be carried out by trial and error method. However, this practice can lead to inaccurate results, as well as warping and cracking on the surfaces of materials to be heat treated. ...