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Itens para a visualização no momento 1-10 of 31
Intervalos de predição no modelo beta autorregressivo de médias móveis
(Universidade Federal de Santa Maria, 2016-02-25)
Usual point and interval forecasting based on the autoregressive integrated moving average
models (ARIMA) may not be suitable for modelling variables defined over the interval
(0, 1). In fact, such forecasting effect ...
Gráficos de controle para dados do tipo taxas e proporções autocorrelacionados
(Universidade Federal de Santa Maria, 2016-03-28)
This work discusses one of the areas for quality improvement, defined as statistical process
control (SPC). One of the most used tools in SPC is the control chart, which is used to
monitor parameters of a process. In ...
Cooperação das áreas funcionais no processo de desenvolvimento de máquinas agrícolas
(Universidade Federal de Santa Maria, 2016-11-17)
The competitive capacity within a certain sector, is the determining factor in determining whether a company has the potential to continue in the market or not. In this sense, the agricultural machinery sector, seeking to ...
Modelagem para mensuração da competitividade na geração de energia fotovoltaica
(Universidade Federal de Santa Maria, 2016-11-10)
The photovoltaics is seen internationally regarded as a very promising technology. It is estimated that Brazil currently has a high capacity for solar power generation. Furthermore, from a strategic point of view, Brazil ...
Modelagem conceitual de um veículo elétrico especificado para competições de economia de energia
(Universidade Federal de Santa Maria, 2016-12-23)
The present work is oriented to the proposition of a new vehicle concept, specified to
perform high efficiency in terms of energy consumption. The development and
detailing of this concept will take place through ...
Análise das interações entre as principais commodities minerais brasileiras
(Universidade Federal de Santa Maria, 2016-08-26)
In the current market, the commodities trading directly influences the economy of a country. These goods are on the trade balance, which is made up by imports and exports of a country. This study aims to determine the ...
Análise de desempenho do sistema de atendimentos de serviços em concessionária de energia
(Universidade Federal de Santa Maria, 2016-08-05)
This research presents a methodology that allows the study of the behavior of a distribution environment of work orders in electric utilities. The components in this environment have a diversity of behaviors, which complicates ...
Viabilidade econômica da adaptação de um hospital público para obtenção de uma certificação ambiental
(Universidade Federal de Santa Maria, 2016-02-15)
The sustainable development has boosted the adoption of methodological tools for the evaluation of sustainability in buildings, so that the benefits go beyond protection with the environmental, resulting in better financial ...
Melhoramentos inferenciais no modelo Beta-Skew-t-EGARCH
(Universidade Federal de Santa Maria, 2016-02-25)
The Beta-Skew-t-EGARCH model was recently proposed in literature to model the
volatility of financial returns. The inferences over the model parameters are based on the maximum
likelihood method. The maximum likelihood ...
Implantação de um sistema de gestão ERP gratuito em uma empresa de pequeno porte com foco na melhoria de indicadores de desempenho da produção
(Universidade Federal de Santa Maria, 2016-01-25)
Inserted in a highly competitive market scenario, the micro and small enterprises are facing difficulties in competing with large and medium-sized organizations, offering a higher level of resources and supply information ...