Noise fault positioning detection method and system for power equipment
The invention provides a noise fault positioning detection method and system for power equipment, and relates to a fault positioning technology, and the method comprises the steps: collecting the sound source information of the power equipment in a target region in real time through a sensor array,...
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| creator | GAO MING TAO BINGQUAN MA LIJUN ZHOU NAN YU JIAJIE KANG HYUNG-JUNG SHEN HAO YAN LING WANG YITAO SHEN TAO |
| description | The invention provides a noise fault positioning detection method and system for power equipment, and relates to a fault positioning technology, and the method comprises the steps: collecting the sound source information of the power equipment in a target region in real time through a sensor array, carrying out the feature extraction of the sound source information, determining the acoustic features corresponding to the sound source information, and carrying out the detection of the noise fault. Performing feature selection on the acoustic features based on relevance between the acoustic features and pre-acquired historical target features to obtain screening features corresponding to the acoustic features; mapping the screening features into a target space, extracting multi-scale envelope information corresponding to the screening features in combination with time information corresponding to the screening features, and creating a noise image corresponding to the sound source information in combination with |
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| language | chi ; eng |
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| subjects | ACOUSTICS ANALOGOUS ARRANGEMENTS USING OTHER WAVES CALCULATING COMPUTING COUNTING DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES IMAGE DATA PROCESSING OR GENERATION, IN GENERAL LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MUSICAL INSTRUMENTS PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION SPEECH ANALYSIS OR SYNTHESIS SPEECH OR AUDIO CODING OR DECODING SPEECH OR VOICE PROCESSING SPEECH RECOGNITION TESTING |
| title | Noise fault positioning detection method and system for power equipment |
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