2015
DOI: 10.5302/j.icros.2015.14.8032
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Ultrasonic Source Localization and Visualization Technique for Fault Detection of a Power Distribution Equipment

Abstract: This paper describes the implemenation of localization and visualization scheme to find out an ultrasonic source caused by defects of a power distribution line equipment. To increase the fault detection performance, 2×4 sensor array is configured with MEMS ultrasonic sensors, and from the sensor signals aquired, the azimuth and elevation angles of the ultrasonic source is estimated based on the delay-sum beam forming method. Also, to visualize the estimated location, it is marked on the background image. Exper… Show more

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Cited by 2 publications
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“…The CCD Aligner is operated using a vision system. The method of measuring [8] using Vision Aligner for Wafer allows the controller to rotate the chuck once when the wafer is placed on the chuck of the aligner, at which point the image profile of the wafer can be obtained from the CCD circuit. After one turn, the chuck motor stops, and in this case, the controller may obtain image data of the wafer from the CCD circuit.…”
mentioning
confidence: 99%
“…The CCD Aligner is operated using a vision system. The method of measuring [8] using Vision Aligner for Wafer allows the controller to rotate the chuck once when the wafer is placed on the chuck of the aligner, at which point the image profile of the wafer can be obtained from the CCD circuit. After one turn, the chuck motor stops, and in this case, the controller may obtain image data of the wafer from the CCD circuit.…”
mentioning
confidence: 99%