Doutorado em Engenharia Elétrica.: Recent submissions

  • SILVA JÚNIOR, P. F.; http://lattes.cnpq.br/7543812637795681; SILVA JÚNIOR, Paulo Fernandes da. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2017-12-15)
    In recent years research into solutions inspired by nature has attracted the attention of many institutions in the world. Natural systems to ensure their perpetuity, normally adapted their characteristics to the environment, ...
  • CAMPOS, M.; http://lattes.cnpq.br/7207601062237405; CAMPOS, Maurício de. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2017-12-07)
    In general, all electrical systems are susceptible to failure. However, there are faults that are not detected by the protection system, such as those caused by tree branches that hit the power grid or a cable break under ...
  • ASSIS, J. M.; http://lattes.cnpq.br/9028062830015530; ASSIS, Juliana Martins de. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2017-11-23)
    Many modern system projects depend on their components, which may relate to each other by dependency or causality relations. What is meant by systems in this work are those whose components may be evaluated or measured. ...
  • SANCA, H. S.; http://lattes.cnpq.br/9468781848217913; SANCA, Huilman Sanca. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2017-08-25)
    A new frequency estimation algorithm applied to anti-islanding protection of distributed generation is proposed in this thesis. The new frequency estimation algorithm is based on the complex least square theory, which uses ...
  • FERREIRA SOBRINHO, Angilberto Muniz; http://lattes.cnpq.br/0776974840042314; FERREIRA SOBRINHO, Angilberto Muniz. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2021-02-26)
    In this thesis, the application of distributed beamforming in WSN is investigated and a macro vison of the technology is presented. After a literature review, two approaches categories for implementation are identified ...
  • RACHED, T. S.; http://lattes.cnpq.br/6659783661235661; RACHED, Taciana Saad. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2015-10)
    Human emotions are fundamental to the way in which individuals interact with each other, as well as with machines. Unlike the human-human interaction, where a human understands another's emotional behavior, in the ...
  • ZURITA, M E. P. V.; http://lattes.cnpq.br/9000340589396730; ZURITA, Marcos Eduardo do Prado Villarroel. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2016-07-31)
    The fast market diffusion of Radio-Frequency Identification systems (RFID) occurred in recent years has driven the emergence of new applications and needs in many fields of human activity. At the same time, technological ...
  • COSTA, M. M.; http://lattes.cnpq.br/0739428363982644; COSTA, Maxwell Moura. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2015-03)
    The measurement of wind speed is of great importance in various fields of knowledge, its value combined with low measurement uncertainty can, for exemple, it is used to determine the best locations for installing wind ...
  • SOUZA, R. T.; http://lattes.cnpq.br/0855145610768901; SOUZA, Ronimack Trajano de. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2015-09)
    This thesis presents a new methodology for evaluation of high voltage circuit breaker contacts, based on the dynamic resistance measurement (DRM) and fuzzy logic. In the DRM tests, a resistance curve is generated, contemplating ...
  • LOPES, R. F.; http://lattes.cnpq.br/1972734433460838; LOPES, Rafael Fernandes. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2013-03-26)
    Diversity techniques have been proposed in order to improve the performance of communication systems, with different characteristics in terms of complexity and performance. This thesis presents the use of diversity ...
  • COSTA, W. E. M.; http://lattes.cnpq.br/0653277765333483; COSTA, Wendell Eduardo Moura. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2015-03)
    This wor aims to contribute for the development of an 8 bits Folding Analog to Digital Converter using Switched Capacitor (SC) circuits. The converter uses a sampling irregular type "sampling crossing levels", which is a ...
  • MATIAS, R. R.; http://lattes.cnpq.br/4355833675843642; MATIAS, Rafael Rocha. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2012-04-02)
    In this doctoral work is treated of power static compensators (or active power filters) three-phase systems and techniques for improving power quality associated with emphasis on the most appropriate employment of each. ...
  • MARINUS, N. S. M.; http://lattes.cnpq.br/7832057853651217; MARINUS, Nustenil Segundo de Moraes. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2016-07)
    In this work, converters are studied using semi-controlled rectifiers, i.e., are used legs with controlled switches (eg, IGBTs) and legs with non-controlled switches (eg, diodes) in order to reduce converter cost. Were ...
  • BRANDT, R. R.; http://lattes.cnpq.br/9572151748158678; BRANDT, Robert Rice. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2012-12)
    Voice is very important in human communication, but pathologies can hinder this communication. The identification of pathologies is an important step for any treatment. Acoustic analysis is a non-invasive technique that ...
  • RODRIGUES, M. V. C.; http://lattes.cnpq.br/6373287656020353; RODRIGUES, Marcus Vinicius Corrêa. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2016-05)
    This thesis deals with cryptographic keys based on biometrics. We propose a new technique named Biometrics-Based Secret Key Agreement by Public Discussion with RFID systems (BSKAPD-RFID). Three safety factors are used, ...
  • OLIVEIRA, M. A. P.; http://lattes.cnpq.br/3919623226705698; OLIVEIRA, Marcus André Pereira. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2014-08)
    This work presents a theoretical and experimental study about Cascaded Cell Multilevel Inverter (CCMLI) as the power interface between a set of photovoltaic (PV) panels and the commercial grid. The choice for this topology ...
  • SANTOS, J. B. M.; http://lattes.cnpq.br/4011086761146410; SANTOS, João Batista Morais dos. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2013-02)
    In this work are presented contributions for the identification of SISO (single input, single output) and MIMO (multiple inputs, multiple outputs) systems. First, identification techniques of reduced order models for SISO ...
  • BARROS, L. M.; http://lattes.cnpq.br/6073167191737882; BARROS, Luciano de Macedo. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2015-08)
    The reduction in complexity and cost of the static converters may be achieved through the use of topologies with few devices. Therefore, it is proposed in this paper the study of topologies of converters using arms of ...
  • FERREIRA, C. S. T.; http://lattes.cnpq.br/9289693349369495; FERREIRA, Carlos Cesar Teixeira. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2013-05-27)
    In this thesis, a robust fuzzy methodology for frequency response estimation of uncertain dynamic systems, based on experimental data, is presented. The thesis deals with two fundamental aspects: fuzzy modeling of uncertain ...
  • SILVA, I. R. F. M. P.; http://lattes.cnpq.br/7618299953557040; SILVA, Italo Roger Ferreira Moreno Pinheiro da. (BrasilCentro de Engenharia Elétrica e Informática - CEEIPÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICAUFCGUniversidade Federal de Campina Grande, 2016-11)
    This thesis proposes two modular energy conversion systems based on a modular multilevel topology with double-star chopper-cells (DSCC), whose arms are mounted from the series association of submodules (SMs) — identical ...

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