Now showing items 11-20 of 20
Design of a labVIEW system applied to predictive maintenance
(Applied Mechanics and Materials, 2013-01-31) [Trabalho apresentado em evento]
The implementation of vibration analysis techniques based on virtual instrumentation has spread increasingly in the academic and industrial branch, since the use of any software for this type of analysis brings good results ...
A New Approach for Real Time Fault Diagnosis in Induction Motors Based on Vibration Measurement
(2010 IEEE International Instrumentation and Measurement Technology Conference I2mtc 2010, Proceedings, 2010-01-01) [Trabalho apresentado em evento]
Condition monitoring is used to increase machinery availability and machinery performance, reducing consequential damage, increasing machine life, reducing spare parts inventories, and reducing breakdown maintenance. An ...
COMPLEX OSCILLATORY BEHAVIOR IN A CRACKED BEAM UNDER SINUSOIDAL EXCITATION
(Journal of Sound and Vibration, 1995-09-21) [Carta]
PERFORMANCE OF ARMA ALGORITHMS ON A TIME SERIES FROM A SIMPLE VIBRATING SYSTEM
(Structural Dynamics: Recent Advances - Proceedings of the 5th International Conference, Vols I and Ii, 1994-01-01) [Trabalho apresentado em evento]
A contribution for nonlinear structural dynamics characterization of cantilever beams
(International Congress on Noise Control Engineering 2005, INTERNOISE 2005, 2005-12-01) [Trabalho apresentado em evento]
Successful experiments in nonlinear vibrations have been carried out with cantilever beams under harmonic base excitation. A flexible slender cantilever has been chosen as a convenient structure to exhibit modal interactions, ...
Development of an instrumentation system embedded on FPGA for real time measurement of mechanical vibrations in rotating machinery
(Proceedings - 2012 International Symposium on Instrumentation and Measurement, Sensor Network and Automation, IMSNA 2012, 2012-11-23) [Trabalho apresentado em evento]
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 ...
Proposal of architecture for launcher systems of unguided sounding rockets
(SAE Technical Papers, 2006-12-01) [Trabalho apresentado em evento]
This work presents a proposal of systemic architecture, to make automatic actions in the positioning of launch rail of unguided sounding rockets, which are based on a supervision system, a programmable logical controller, ...
Time-frequency analysis combining wavelets and the envelope technique for fault identification in rotary machines
(Advanced Materials Research, 2013-03-18) [Trabalho apresentado em evento]
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 ...
A FUZZY LOGIC APPROACH TO DIAGNOSE INDUCTION MOTOR FAULTS IN REMOTE SITE BY CELL PHONE
(Proceedings Of The 22nd International Congress On Sound And Vibration, 2015-01-01) [Trabalho apresentado em evento]
Monitoring, fault detection, and diagnosis of electric induction motors are becoming increasingly important in the field of electrical machines as new data-processing techniques and methods for analyzing the motor stator ...
Application of a computer sound card for measurement of mechanical vibrations
(Revista Brasileira de Ensino de Física, 2015) [Artigo]
This paper presents a data acquisition and analysis system based on a computer sound card for measuring and processing random vibration signals. This system turns the computer into a two-channel measurement instrument which ...