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Fault detection in rotating machinery by using the modal state observer approach
(2019-10-13)
The existence of cracks in rotating shafts can lead to failures, which imply economic losses and security issues. In the last decades, attention has been devoted to this subject leading to the development of vibration-based ...
Design and Evaluation of a Research-Educational Test Bench Applied to Rotor Dynamics Studies
(Ieee-inst Electrical Electronics Engineers Inc, 2018-08-01)
The rotor dynamics study is critical in the design of rotating machinery. The dynamic modeling of rotors aims to estimate the operating condition of rotating machinery through the evaluation of parameters related to the ...
Design and evaluation of a research-educational test bench applied to rotor dynamics studies
(2018-08-01)
The rotor dynamics study is critical in the design of rotating machinery. The dynamic modeling of rotors aims to estimate the operating condition of rotating machinery through the evaluation of parameters related to the ...
Prediction of failures in rotating machines by vibration spectral analysis
(Associa????o Brasileira de Energia Nuclear, 2021)
Time-frequency analysis combining wavelets and the envelope technique for fault identification in rotary machines
(2013-03-18)
Nowadays the method based on demodulation by envelope finds wide application in industry as a technique for evaluation of bearings and other components in rotating machinery. In recent years the application of Wavelets for ...
FAULT DETECTION IN ROTATING MACHINERY BY USING THE MODAL STATE OBSERVER APPROACH
(Amer Soc Mechanical Engineers, 2017-01-01)
The presence of transversal cracks in rotating shafts can lead to catastrophic failures, which imply economic losses and security issues. In the last years, an important attention has been devoted to this subject, leading ...
Fault detection in rotating machinery by using the modal state observer approach
(2017-01-01)
The presence of transversal cracks in rotating shafts can lead to catastrophic failures, which imply economic losses and security issues. In the last years, an important attention has been devoted to this subject, leading ...
Balanceamento global de eixos através do uso de modelos numéricos e técnicas de otimização
(Universidade Tecnológica Federal do ParanáCuritibaBrasilDepartamento Acadêmico de MecânicaEngenharia MecânicaUTFPR, 2012-08-05)
Rotating machines are used in numerous applications such as in oil, paper, power generation industries, among others. The usage of these machines, that are more and more compact, in harsh environments, in critical positions ...
Colheita mecanizada e perdas quantitativas de sementes de crotalária
(2010-03-01)
In mechanized harvesting of seeds can occur losses, which reduce productivity, decrease the profitability and can do serious damage to the producer. The objective of this work was to evaluate the quantitative seed losses ...