Search Results - "Chaves Filho, Joao Edgar"

Comparative Study of Control Strategies for Stabilization and Performance Improvement of DC Microgrids with a CPL Connected by de Bessa, Isaías V., de Medeiros, Renan L. P., Bessa, Iury, Ayres Junior, Florindo A. C., de Menezes, Alessandra R., Torres, Gustavo M., Chaves Filho, João Edgar

“…The DC microgrid system is composed by converters that operate like feeders and loads. Among these loads, we highlight the constant power loads (CPLs) that may…”
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Stability evaluation of a multi-stage converter system considering a CPL connected by de Bessa, Isaías Valente, Medeiros, Renan L.P., de Carvalho, Marenice M., Ayres, Florindo A. de C., Chaves Filho, João Edgar, de Lucena, Vicente Ferreira, Bessa, Iury

“…The use of power converters to regulate voltage and power in electrical power systems has been attracting attention due to the increasing number of research…”
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Gift young engineers: An extra-curricular initiative for updating computer and electrical engineering courses by de Lucena, Vicente Ferreira, de Queiroz Neto, Jose Pinheiro, Filho, Joao Edgar Chaves, da Silva, Waldir Sabino, Cordeiro, Lucas Carvalho

“…The curricula of engineering courses are well defined by the central government for all Brazilian universities. Indeed, there are some mandatory determinations…”
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Fault Detection for Photovoltaic Systems Using Fuzzy C-Means Clustering by Barbosa, Jadir, de Medeiros, Renan L. P., Ayres, Florindo A. C., Filho, Joao Edgar Chaves, Lucena, Vicente F., Bessa, Iury

“…This work aims at developing a fault detection system for photovoltaic systems (PVSs) based on the Fuzzy C-Means (FCM) clustering technique. A simulator is…”
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Robust decentralized controller for minimizing coupling effect in single inductor multiple output DC-DC converter operating in continuous conduction mode by Medeiros, Renan Landau Paiva de, Barra, Walter, Bessa, Iury Valente de, Chaves Filho, João Edgar, Ayres, Florindo Antonio de Cavalho, Neves, Cleonor Crescêncio das

“…This paper describes a novel robust decentralized control design methodology for a single inductor multiple output (SIMO) DC-DC converter. Based on a nominal…”
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Verification of Delta Form Realization in Fixed-Point Digital Controllers Using Bounded Model Checking by Bessa, Iury, Ibrahim, Hussama, Cordeiro, Lucas, Chaves Filho, Joao Edgar

“…The extensive use of fixed-point digital controllers demands a growing effort to prevent design's errors that appear in the discrete-time domain. This paper…”
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Data-driven fault detection and isolation scheme for a wind turbine benchmark by de Bessa, Iury Valente, Palhares, Reinaldo Martinez, D'Angelo, Marcos Flávio Silveira Vasconcelos, Chaves Filho, João Edgar

“…This paper investigates a new scheme for fault detection and isolation based on time series and data analysis. This scheme is applied in wind turbines which…”
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SMT-based Verification Applied to Non-convex Optimization Problems by Araujo, Rodrigo, Bessa, Iury, Cordeiro, Lucas Carvalho, Chaves Filho, Joao Edgar

“…This paper presents a novel, complete, and flexible optimization algorithm, which relies on recursive executions that re-constrains a model-checking procedure…”
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Formal Non-Fragile Stability Verification of Digital Control Systems with Uncertainty by Bessa, Iury, Ismail, Hussama, Palhares, Reinaldo, Cordeiro, Lucas, Chaves Filho, Joao Edgar

“…A verification methodology is described and evaluated to formally determine uncertain linear systems stability in digital controllers with considerations to…”
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Designing an extension API for bridging Ginga iDTV applications and home services by de Lucena, V. F., Viana, N. S., Maia, O. B., Chaves Filho, Joao Edgar, da Silva, W. S. J.

“…This paper presents the implementation process for an API that integrates interactive digital TV (iDTV) applications and home network (HN) services, mainly…”
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Fractional Order Pole Placement for a buck converter based on commensurable transfer function by Ayres, Florindo A. de C., Bessa, Iury, Pereira, Vinicius Matheus Batista, da Silva Farias, Nei Junior, de Menezes, Alessandra Ribeiro, de Medeiros, Renan L.P., Chaves, João Edgar, Lenzi, Marcelo K., da Costa, Carlos Tavares

“…In this work, a novel methodology for tuning fractional order controller, so-called fractional order pole placement (FOPP) is proposed. The proposed…”
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A home automation proposal built on the Ginga digital TV middleware and the OSGi framework by De Lucena, V.F., Filho, J.E.C., Viana, N.S., Maia, O.B.

“…Among the most promising applications provided by interactive digital television systems (iDTV) are the ones that enable TV-sets to work as the central…”
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On-line estimation of the stator resistane of induction machines based on zero-sequence model by Cursino Brandao Jacobina, Chaves Filho, Joao Edgar, Antonio Marcus Nogueira Lima

“…This paper proposes a technique to estimate the stator resistance of induction machines. The stator resistance is obtained by solving a least squares…”
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Estimating the parameters of induction machines at standstill by Jacobina, C.B., Filho, J.E.C., Lima, A.M.N.

“…This paper presents a method to determine the continuous-time parameters of induction machines which are necessary to implement a field- oriented control…”
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On-line estimation of the stator resistance of induction machines based on zero-sequence model by Jacobina, C.B., Filho, J.E.C., Lima, A.M.N.

“…This paper proposes a technique to estimate the stator resistance of induction machines. The stator resistance is obtained by solving a least squares…”
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Modeling and analysis of Flexible Manufacture Systems through hierarchical and Colored Petri Nets by Aguiar, M., Barreto, R., Caldas, R., Edgar, J., Filho, C.

“…This paper describes the use of timed hierarchical colored Petri nets (timed CPN) in the development, simulation and analysis of flexible manufacturing systems…”
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