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Consciência fonológica nos desvios fonológicos avaliação e terapia
(Universidade Federal de Santa Maria, 2015-02-23)
This thesis had the purpose of analyzing the impact of phonological properties of words which belong
to two phonological awareness tasks, as in children with typical phonological development as in
children with phonological ...
Características vocais de crianças relacionadas com idade e indicadores antropométricos
(Universidade Federal de Santa Maria, 2015-02-05)
The development of children s vocal apparatus reflects in their voice characteristics. Objectives: To review the characteristics of the child s voice; to assess and correlate the results of the acoustic analysis of the ...
Aquisição do vocabulário e da fonologia do português brasileiro
(Universidade Federal de Santa Maria, 2015-02-25)
This research aimed to analyze the phonology and vocabulary behavior in children with typical language development and to verify the correlations between these language components. 186 children aged from 1:6 to 5:11;29, ...
Controle adaptativo robusto por modelo de referência aplicado ao controle de velocidade e de posição de motores síncronos a ímãs permanentes
(Universidade Federal de Santa Maria, 2011-08-26)
This work proposes two vector control schemes for permanent magnet synchronous
motors. They are destined to speed and position control, respectively, and are based on a
control law called VS-RMRAC. Not being yet applied ...
Avaliação da qualidade de energia e performance de potência de turbinas eólicas conectadas à rede elétrica
(Universidade Federal de Santa Maria, 2010-02-22)
This master thesis describes a system capable of real-time characterization of power performance and power quality of wind turbines, based mainly on the IEC 61400-21 and IEC 61400-12-1 standards. To verify the performance ...
Estudo, controle e implementação do conversor Boost PFC operando no modo de condução mista
(Universidade Federal de Santa Maria, 2009-11-10)
This Master Thesis presents the study and proposes a digital control system applied to the PFC boost converter operating in mixed conduction mode. The motivation to this subject, a bibliographic review of the existing ...
Aspectos técnicos e operacionais do uso de microturbinas conectadas aos sistmas elétricos para geração distribuída de energia
(Universidade Federal de Santa Maria, 2010-06-16)
The considerable increase in energy demand has increased the interest in reducing costs, improving reliability, quality and stability of power generation systems. The connection of distributed generation (DG) can be used ...
Desenvolvimento de metodologia do projeto do reator eletrônico auto-oscilante com entrada universal
(Universidade Federal de Santa Maria, 2010-01-14)
This work presents the design and analysis of an electronic system with universal input to supply a fluorescent lamp. The system includes a self-oscillating electronic ballast and an additional circuit which allows keeping ...
Desenvolvimento de uma fonte de potência CA para geração de formas de onda de até 2kHz
(Universidade Federal de Santa Maria, 2010-07-30)
This work presents the development of an alternating current power source with a single-phase full bridge voltage inverter, based on electronic switches. The source is designed to drive electromechanical and electric plants. ...
Projeto e implementação de lâmpadas para iluminação de interiores empregando diodos emissores de luz(LEDS)
(Universidade Federal de Santa Maria, 2008-10-31)
This work presents an efficient lighting system using high intensity light emitting
diodes (LEDs). The goal is to develop a compact and low cost electronic circuit to drive and
control the current of LEDs disposed in a ...