Results 311 to 320 of about 12,066 (353)
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Circle detection by arc-support line segments
2017 IEEE International Conference on Image Processing (ICIP), 2017Circle detection is fundamental in both object detection and high accuracy localization in visual control systems. We propose a novel method for circle detection by analysing and refining arc-support line segments. The key idea is to use line segment detector to extract the arc-support line segments which are likely to make up the circle, instead of ...
Changsheng Lu +4 more
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Detection of electric arc faults by Arc Fault Detection Devices
2022 International Conference and Exposition on Electrical And Power Engineering (EPE), 2022Bogdan Hnatiuc +3 more
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Remote detection of arcing on geosynchronous satellites
Sensors and Systems for Space Applications XIII, 2020Remote detection of spacecraft arcing is important for the satellite operators in order to properly respond for anomalies caused by spacecraft charging due to the space weather conditions. Satellites operating at geosynchronous orbit (GEO) are prone to spacecraft charging due to fluxes of high energy electrons onto and beneath their surfaces, usually ...
Elena Plis +3 more
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Arcing Persistency Measurement for IEC62606 Arc-Fault Detection Device Certification
2019 IEEE Symposium on Product Compliance Engineering (SPCE Austin), 2019Arc Fault Detection Devices (AFDD's) or Arc Fault Circuit Interrupters (AFCI's) are mandatory electrical protection devices in panel boards all over the world, to mitigate the risk of fire due to hazardous electrical arc faults. By its nature, the arc fault is an erratic phenomenon, with variable temporal persistency and variable ability to ignite a ...
Costin Vasile +4 more
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Arc-Free PV Systems - Preventing and Detecting Arcs As a Whole
2011This contribution shows a way to a significant increase of safety in PV plants. By combination of two long-term proven technologies – but restricted in USA respectively Europe - a system can be created avoiding and controlling arcs in an optimum way. Circuits for arc-detection, which are widely-used in the USA, are introduced to be used for the DC-side
Häring, A., Bieniek, S., Laschinski, J.
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On the Use of Arc Radiation to Detect the Quality of Gas Metal Arc Welds
Materials and Manufacturing Processes, 2011Gas metal arc (GMA) welding has over the years grown both in stature and strength to become a widely used welding process in the industries related to manufacturing. With sustained and noticeable developments in the technologies related to welding a need to automatically detect and even control the quality of welding has become both essential and ...
Li Zhiyong +4 more
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Arc-Community Detection via Triangular Random Walks
2012 Eighth Latin American Web Congress, 2012Community detection in social networks is a topic of central importance in modern graph mining, and the existence of overlapping communities has recently given rise to new interest in arc clustering. In this paper, we propose the notion of triangular random walk as a way to unveil arc-community structure in social graphs: a triangular walk is a random ...
Boldi P., Rosa M.
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Frequency phenomenon and algorithms for arc detection
2010 IEEE International Symposium on Electromagnetic Compatibility, 2010Successful detection of power line arcing requires various algorithms from frequency domain to time domain analysis. This paper explores frequency phenomenon that when analysed with a defined set of algorithms can distinguish between arcing noise and typical power line noise associated with distribution hardware and various noise-generating loads ...
K Phipps, T Cooke, D Dorr, P Keebler
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METHOD AND DEVICE FOR GENERATING AN ARC DETECTION SIGNAL AND ARC DETECTION ARRANGEMENT
2013The invention relates to a method for generating an arc detection signal on the basis of a plurality of observation signals, comprising the method steps of: a. generating one arc detection partial signal for at least two observation signals, wherein the generation of each arc detection partial signal comprises: i. correlating the associated observation
HUETTINGER ELEKTRONIK GMBH +14 more
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Radiometric detection and analysis of arcing faults
IEEE Transactions on Dielectrics and Electrical Insulation, 2015A novel method for long-range detection and potential location of arcing faults on electrical distribution networks is described and investigated. When a network fault induces an electrical arc it is accompanied by the radiation of electromagnetic transients that can be detected remotely as a radio frequency signal.
Harris, Rachel M. +3 more
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