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Sérgio Alves de Sousa

Researcher at Federal University of Tocantins

Publications -  32
Citations -  188

Sérgio Alves de Sousa is an academic researcher from Federal University of Tocantins. The author has contributed to research in topics: Randomized block design & Vector control. The author has an hindex of 7, co-authored 32 publications receiving 170 citations. Previous affiliations of Sérgio Alves de Sousa include Instituto Politécnico Nacional.

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Journal ArticleDOI

A DFIG Sensorless Rotor-Position Detector Based on a Hysteresis Controller

Gil D. Marques, +3 more
- 01 Mar 2011 - 
TL;DR: In this paper, a simple sensorless method for the detection of the mechanical rotor position of the wound-rotor induction machine in order to implement stator-flux orientation is described and evaluated.
Journal ArticleDOI

Consórcio e sucessão de milho e feijão-de-porco como alternativa de cultivo sob plantio direto

Leonardo Santos Collier, +3 more
- 05 Aug 2011 - 
TL;DR: Jack beans, as cover crop or intercropped with maize, did not affect macronutrients composition on the aerial part of leguminous species, but there was higher efficiency index per area, with no competitive effect on maize yield.
Proceedings ArticleDOI

Implementation of a low cost data acquisition board for photovoltaic arrays analysis and diagnostic

Sérgio Alves de Sousa, +6 more
TL;DR: The design and implementation of a data acquisition system for photovoltaic systems is presented, characterized by a low cost board based on a microcontroller that can be used for reading, storing and analyzing information from several photovolar systems.
Journal Article

Eficiência e resposta à aplicação de fósforo em feijão comum em solos de cerrado

Taynar Coelho de Oliveira, +4 more
- 23 Mar 2012 - 
TL;DR: There is variability about phosphorus use efficiency and response to phosphorus application among the studied cultivars, and the genotypes identified as efficient about phosphorus absortion and responsive to its application are recommended to be grow on low, mid and high technological levels of cropping systems.
Journal Article

Eficiência do uso de fósforo em genótipos de arroz cultivados em solos de terras altas

Leila Paula Tonello, +4 more
- 30 May 2012 - 
TL;DR: Verifying the existence of differences inphosphorus use efficiency among rice cultivars grown in southern upland of Estate of Tocantins concluded that the cultivars BRS – Primavera and Bolinha are efficient and responsive to P fertilization.