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A perspective on oil-whirl using two orthogonal coupled oscillators

Universidade Estadual Paulista (Unesp); University of Southampton; Part of the Rolls-Royce Group (2016-03-01)

It has been known for many years that rotating machinery with hydrodynamic oil-film bearings can exhibit oil-whirl instability, where the unidirectional oil-film force acts on the rotor causing it to vibrate at a natural ...

Time-frequency analysis combining wavelets and the envelope technique for fault identification in rotary machines

Universidade Estadual Paulista (Unesp); Science and Technology, Campus São José dos Campos - SP, Brazil (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 ...

Development of an instrumentation system embedded on FPGA for real time measurement of mechanical vibrations in rotating machinery

IFSP-Federal Institute of Science Education and Technology; Universidade Estadual Paulista (Unesp) (2012-11-23)

The real-time monitoring of events in an industrial plant is vital, to monitor the actual conditions of operation of the machinery responsible for the manufacturing process. A predictive maintenance program includes condition ...

Development of an instrumentation system embedded on FPGA for real time measurement of mechanical vibrations in rotating machinery

IFSP-Federal Institute of Science Education and Technology; Universidade Estadual Paulista (Unesp) (2012-11-23)

Development of an instrumentation system embedded on FPGA for real time measurement of mechanical vibrations in rotating machinery

Da Costa, Cesar; Mathias, Mauro Hugo; Kashiwagi, Masamori (2014)

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A perspective on oil-whirl using two orthogonal coupled oscillators

Time-frequency analysis combining wavelets and the envelope technique for fault identification in rotary machines

Development of an instrumentation system embedded on FPGA for real time measurement of mechanical vibrations in rotating machinery

Development of an instrumentation system embedded on FPGA for real time measurement of mechanical vibrations in rotating machinery

Development of an instrumentation system embedded on FPGA for real time measurement of mechanical vibrations in rotating machinery

Time-frequency analysis combining wavelets and the envelope technique for fault identification in rotary machines

Rodamientos

Projeto e avaliação do comportamento dinâmico de um conjunto de mancais hidrodinâmicos aplicados a um rotor Jeffcott

Time-frequency analysis combining wavelets and the envelope technique for fault identification in rotary machines

Montaje y desmontaje de rodamientos

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A perspective on oil-whirl using two orthogonal coupled oscillators

Time-frequency analysis combining wavelets and the envelope technique for fault identification in rotary machines

Development of an instrumentation system embedded on FPGA for real time measurement of mechanical vibrations in rotating machinery

Development of an instrumentation system embedded on FPGA for real time measurement of mechanical vibrations in rotating machinery

Development of an instrumentation system embedded on FPGA for real time measurement of mechanical vibrations in rotating machinery

Time-frequency analysis combining wavelets and the envelope technique for fault identification in rotary machines

Rodamientos

Projeto e avaliação do comportamento dinâmico de um conjunto de mancais hidrodinâmicos aplicados a um rotor Jeffcott

Time-frequency analysis combining wavelets and the envelope technique for fault identification in rotary machines

Montaje y desmontaje de rodamientos