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Itens para a visualização no momento 141-147 of 147
Controle escalar sensorless para sistemas de conversão de energia eólica com gerador síncrono de ímãs permanentes
(Universidade Federal de Santa Maria, 2015-08-21)
This master thesis proposes a control method of scalar direct torque control and
a technique of current control to maximize the aerodynamic efficiency of wind energy
conversion systems (WECS) using permanent magnets ...
Proposta de ações baseadas nos 11 princípios Lean Construction para implantação em um canteiro de obras de Santa Maria
(Universidade Federal de Santa Maria, 2015-07-13)
According to Formoso et al. (2000), several diagnostics carried through in Brazil and the exterior indicate that the majority of the problems that result in low platforms of efficiency and quality in the civil construction ...
Balanço hídrico em bacia urbana
(Universidade Federal de Santa Maria, 2015-01-30)
This work aims to study the behavior of the variables precipitation, evapotranspiration, runoff and water storage in the soil, involved in water balance of the arroio Cancela basin, in Santa Maria, RS. The monitoring was ...
A relação entre inovação, mercado acionário e crescimento econômico
(Universidade Federal de Santa Maria, 2015-08-07)
The relationship between financial systems and economic growth has not been well assimilated by the academic community and the public managers, generating debates inconclusive for many decades. However, the center of this ...
Proposta de metodologia para o projeto de motores de combustão interna
(Universidade Federal de Santa Maria, 2015-06-24)
The internal combustion engine contributed in replacing animal effort and streamlining production processes. It has been enhanced by the man since its beginnings. Given the wide application of the internal combustion engine ...
Estudo da influência do teor de finos dos agregados reciclados mistos nas propriedades das argamassas de revestimento
(Universidade Federal de Santa Maria, 2015-07-14)
The expansion of the construction is of great importance for the economic development of the
country, due to the prominent position the sector takes in economy, creating jobs, enabling
housing, income and infrastructure. ...
Controlador RMRAC aplicado ao controle de rotação através do ângulo de passo das pás de uma turbina eólica
(Universidade Federal de Santa Maria, 2015-07-17)
This paper presents the design of a Robust Model Reference Adaptive Controller (RMRAC)
law applied to control the generator speed by means of the the blade pitch angle in an small
scale wind turbine. A literature review ...