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Fault Diagnosis for High-Speed Train Axle-Box Bearing Using Simplified Shallow Information Fusion Convolutional Neural Network [PDF]
Sensors, 2020 Axle-box bearings are one of the most critical mechanical components of the high-speed train. Vibration signals collected from axle-box bearings are usually nonlinear and nonstationary, caused by the complicated operating conditions.
Honglin Luo +3 more
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Crystals, 2022 Metal ion modification is considered to be an effective way to construct metal oxides with specific physical and chemical properties. In this paper, we prepare a tungsten oxide (WO3) film co-modified by Co-ion and Mo-ion to serve as the electrochromic ...
Lihong Jia +4 more
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In-plane compression property of S-shaped reinforced honeycomb cores
Materials & Design, 2023 Honeycomb structures serve as the core of sandwich structures in various industries, such as aerospace and rail transit. In this study, a novel design was introduced where hexagonal honeycomb cores were flattened in specific areas to form S-shaped ...
Xin Zhou +4 more
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Dynamic modeling of a metro vehicle considering the motor–gearbox transmission system under traction conditions [PDF]
Mechanical Sciences, 2022 As a vital means of transportation to alleviate urban traffic congestion, the metro vehicle has been developing rapidly in China during recent years. For the violent vibration and shock under the frequent switches between traction and braking conditions,
T. Zhang +5 more
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HIGH-SPEED TRAINS – MAGLEV TRAINS
САВРЕМЕНА ТЕОРИЈА И ПРАКСА У ГРАДИТЕЉСТВУ, 2020 The development of megacities, with a large population, imposes increasing mobility in order tomaintain the economic and social development. There is a great necessity for a contemporary andnew infrastructure at the urban, suburban, intercity, and international level.
Dragan C. Lukić, Elefterija Zlatanović
openaire +2 more sources
Seamless LTE connectivity in high‐speed trains [PDF]
Wireless Communications and Mobile Computing, 2015 AbstractHigh‐speed train (HST) is revitalizing the train as a preferred mid‐range transportation system. The provision of broadband Internet connectivity onboard trains is one of the key challenges in the competition among train operators. Unprecedented spectral efficiency and data rates (up to 100Mbps in high mobility) of the Universal Mobile ...
Ali Parichehreh +3 more
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Assessment of the worthwhileness of efficient driving in railway systems with high-receptivity power supplies [PDF]
, 2020 Eco-driving is one of the most important strategies for significantly reducing the energy consumption of railways with low investments. It consists of designing a way of driving a train to fulfil a target running time, consuming the minimum amount of ...
Cucala, A. P. +4 more
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Shock and Vibration, 2021 Resonance problems encountered in vehicle-bridge interaction (VBI) have attracted widespread concern over the past decades. Due to system random characteristics, the prediction of resonant speeds and responses will become more complicated.
Tao Zhang +4 more
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Machines, 2022 More layers in a convolution neural network (CNN) means more computational burden and longer training time, resulting in poor performance of pattern recognition.
Honglin Luo +3 more
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High-speed pulse train amplification in semiconductor optical amplifiers with optimized bias current [PDF]
, 2017 In this paper, we have experimentally investigated the optimized bias current of semiconductor optical amplifiers (SOAs) to achieve high-speed input pulse train amplification with high gain and low distortion.
Ghafouri-Shiraz, H. +3 more
core +1 more source