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Método do triângulo de Duval para análise dos óleos isolantes silicone e éster natural
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia ElétricaUTFPR, 2017-06-08)
This work presents a study and application of the Duval Method for alternative insulation fluids. A tool for incipient faults diagnosis is developed. The properties of silicone oil and natural ester as dielectric fluids ...
Metodologia para aplicação da análise de causa raiz em uma impressora flexográfica
(Universidade Tecnológica Federal do ParanáCuritibaBrasilEspecialização em Gerência de ManutençãoUTFPR, 2018-10-10)
Currently an efficient maintenance management system is not only intended to correct defects or failures, but also to understand fault mechanisms and create blocking to eliminate the root causes of failures. This work seeks ...
Fault diagnosis on electrical distribution systems based on fuzzy logic
(Springer VerlagGermany, 2022)
A fault location method using Lamb waves and discrete wavelet transform
(Associação Brasileira de Engenharia e Ciências Mecânicas - ABCM, 2012)
Uso de observadores de estado para detecção de falhas em sistemas mecânicos
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia MecânicaUTFPR, 2015-06-01)
In this work, it was developed a method for the detection and location of faults in mechanical systems using state observers banks, which are designed by LQR (Linear Quadratic Regulator). With the ability to estimate values ...
Localização de faltas em linhas transmissão HVDC utilizando a transformada wavelet e redes neurais
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia ElétricaUTFPR, 2020-06-04)
The development and growth of Electric Power Systems (EPS), in particular the High Voltage Direct Current (HVDC), has increased interest from companies, manufacturers and researchers regarding the application and development ...
Projeto e desenvolvimento de uma plataforma remota para detecção e mascaramento de falhas em sistemas de automação
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia de Controle e AutomaçãoUTFPR, 2016-11-07)
This work presents the project and development of a platform applied to fault detection and masking in industrial automation systems controlled by programmable logic controllers. The architecture is proposed in order to ...
Análise de carga em Robo Kuka KR60 para linha de prensa robotizada
(Universidade Tecnológica Federal do ParanáCuritibaDepartamento Acadêmico de Eletrônica, 2014-11-25)
This field research with a case study want to analyze the work strain in a robot, used to transfer automotive parts from a stamping press line to the end of line conveyor. This equipment has presented a higher mechanical ...
Analise de desempenho de observadores de estado robustos na localizacao de falhas
(2000-12-01)
The state observers can reconstruct and monitor unmeasurable states. A new concept of fault detection and isolation using state observers is presented. The method selects the parameters from components that may fail during ...
Análise de causa raiz em alternador veicular
(Universidade Tecnológica Federal do ParanáCuritibaBrasilCurso de Especialização em Engenharia da ConfiabilidadeUTFPR, 2018-10-05)
The intention of this work is to present the root cause analysis for field failures of combustion engine’s alternator. The two failure modes evaluated are low voltage supplied by alternator or no voltage supplied by ...