Results 21 to 30 of about 22,218 (269)
IEEE Access, 2019 The overhead contact system (OCS) is an indispensable part of high-speed railway power supply system. The stable operation of the OCS depends on the stability of the contact between the pantograph and catenary.
Shiwang Liu, Long Yu, Dongkai Zhang
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Fatigue life analysis of dropper used in pantograph-catenary system of high-speed railway
Advances in Mechanical Engineering, 2018 Dropper is an important component of pantograph-catenary system employed in high-speed railway. The cyclic stress in dropper can lead to the fatigue failure during operation.
Liming Chen, Peihuo Peng, Fan He
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Large-Scale Laboratory Experiments on Mussel Dropper Lines in Ocean Surface Waves
Journal of Marine Science and Engineering, 2020 The rapid growth of marine aquaculture around the world accentuates issues of sustainability and environmental impacts of large-scale farming systems. One potential mitigation strategy is to relocate to more energetic offshore locations.
Rebekka Gieschen +5 more
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BMC Psychology, 2021 Background Liquid medication dosing errors (LMDE) made by caregivers affect treatment in children, but this is not a well-studied topic in many low-and middle-income countries including in India.
Pawan Patidar +2 more
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Malware Classification based on Call Graph Clustering [PDF]
, 2010 Each day, anti-virus companies receive tens of thousands samples of potentially harmful executables. Many of the malicious samples are variations of previously encountered malware, created by their authors to evade pattern-based detection.
Kinable, Joris, Kostakis, Orestis
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Research on time–frequency characteristics of contact force based on wavelet transform
IET Electrical Systems in Transportation, 2022 When a train runs at high speed, affected by the structural characteristics of the catenary, the contact force changes periodically with span and dropper spacing.
Fang He, Jian Zhang
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YOLOv5s-D: A Railway Catenary Dropper State Identification and Small Defect Detection Model
Applied Sciences, 2023 High-speed railway catenaries are vital components in railway traction power supply systems. To ensure stable contact between the pantograph and the catenary, droppers are positioned between the messenger wire and contact line. The failure of one or more
Ziyi Li +5 more
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Biomédica: revista del Instituto Nacional de Salud, 2020 Eye burns due to the accidental application of pharmacological or nonpharmacological substances packaged in plastic dropper bottles have been described for more than three decades and continue to occur.
Virgilio Galvis +6 more
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Missing Dropper Nylon Bush Detection Based on YOLOv4 and AlexNet
Kongzhi Yu Xinxi Jishu, 2022 Nylon bush is an essential part of dropper in high speed railway contact line equipment, its missing would have high change of causing the carrier cable burnt, which is a high risk to railway security.
ZHANG Huiyuan, SUN Mulan, CHEN Hao
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Machine Vision Based Monitoring of Breakage and Slack Faultfor High Speed Railway Dropper
Kongzhi Yu Xinxi Jishu, 2021 Dropper’s breakage and slack threaten the stability of high-speed railway power supply system and reduce system safety. Disappointingly, monitoring droppers and guiding maintenance are performed by manual inspection, and it has the problems of low ...
LIU Shiwang, HU Yunqing, LIN Jun
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