Search Results - "Leprettre, B."

Three-component signal recognition using time, time-frequency, and polarization information-application to seismic detection of avalanches by Leprettre, B., Martin, N., Glangeaud, F., Navarre, J.-P.

“…A method for automatic signal recognition, applied to seismic signals classification, is presented. It is based on the fusion of data derived from the analysis…”
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A Frequency Demodulation Approach to Induction Motor Speed Detection by Zhi Gao, Turner, L., Colby, R. S., Leprettre, B.

“…Rotor slot harmonics are found in the stator current waveforms for most squirrel-cage induction motors. These harmonics are caused by the finite number of…”
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Filter Design for Estimating Parameters of Induction Motors With Time-Varying Loads by Zhi Gao, Colby, R S, Turner, L, Leprettre, B

“…Periodically time-varying loads such as reciprocating compressors produce torque and speed oscillations in grid-connected induction motors. In each compression…”
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Detection of electrical series arcs using time-frequency analysis and mathematical morphology by Leprettre, B., Rebiere, Y.

“…A method for detecting series arcs from time-frequency analysis of the current derivative is proposed. Mathematical morphology is used to select arc features…”
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Compensation of saturation effects in current transformers using neural networks by Leprettre, B., Bastard, P.

“…Magnetic current transformers (CTs) are currently used in electrical devices in order to measure currents. The accuracy of CTs can severely decrease in case of…”
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Extraction of pertinent subsets from time–frequency representations for detection and recognition purposes by Leprettre, Benoit, Martin, Nadine

“…A time–frequency representation can highlight non-stationarities in a signal. We propose to extract subsets from the time–frequency representation (TFR) for…”
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Component Based Framework for Designing and Validating Asynchronous Algorithms for Electrical Measurement and Protection by Bonicel, Louis, Bohrer, Roland, Leprettre, Benoit, Petrot, Frederic, Rousseau, Frederic

“…Component-based software engineering is appealing for industrial embedded systems design for two main reasons: these systems benefit from a strong legacy from…”
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Bearing Fault Diagnosis in Induction Machine Based on Current Analysis Using High-Resolution Technique by Djeddi, M., Granjon, P., Leprettre, B.

“…In this paper, we propose to perform early fault diagnosis using high-resolution spectral analysis of the stator current to detect bearing faults in electrical…”
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A frequency demodulation approach to induction motor speed detection by Zhi Gao, Turner, L, Colby, R S, Leprettre, B

“…Rotor slot harmonics are found in the stator current waveforms for most squirrel-cage induction motors. These harmonics are caused by the finite number of…”
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Narrowband angle modulations in induction motor complex current vectors by Zhi Gao, Colby, R.S., Turner, L., Leprettre, B.

“…Periodically time-varying loads such as reciprocating compressors produce torque and speed variations in grid-connected induction motors that are used to drive…”
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Tracking of spectral lines in an ARCAP time-frequency representation by Davy, M., Leprettre, B., Doncarli, C., Martin, N.

“…ARCAP time-frequency representations of narrow-band signals are made of instantaneous characteristics (frequencies and amplitudes), without any time links. In…”
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