Results 71 to 80 of about 13,456 (268)
Rapid Coupling Prediction for Compact GNSS Arrays via Graph Transformer
Electronics Letters, Volume 61, Issue 1, January/December 2025.The design of compact GNSS antenna arrays requires rapid evaluation of mutual coupling effects, which conventional full‐wave simulations fail to deliver due to excessive computational costs. This letter proposes a graph transformer model that predicts coupling matrices in real time. By hybridizing the local perception of graph isomorphism network (GIN)
Xiangjun Li +5 more
wiley +1 more source
Research on dynamic characteristics of pantograph arc under cross wind
机车电传动, 2022 The pantograph arc has become an important factor restricting the further development of high-speed trains. Therefore, in-depth research on the characteristics of pantograph arc is of great significance for further analyzing the damage characteristics of
SUN Chuanming +3 more
doaj
Aerodynamic noise from a train pantograph
, 2014 Many studies have shown that when the speed of high speed trains exceeds around 300km/h, aerodynamic noise becomes the most significant noise source. The pantograph, or current collector, is mounted on the top of the train and is therefore not shielded ...
Hu, Zhiwei +3 more
core
Fatigue analysis of catenary contact wires for high speed trains [PDF]
, 2011 The fatigue fracture is one of the most critical failures which may occur on the high speed network because it is undetectable and it has a huge impact on traffic disruption.
BALMES, Etienne +3 more
core
IET Electrical Systems in Transportation, Volume 2025, Issue 1, 2025.Decarbonizing rail transport in response to global warming is fundamental to achieving a net zero transportation system. Along with increased passenger mobility and network electrification initiatives, significant connectivity between the train and infrastructure is needed to underpin operational communications and safety, information exchange, and ...
Yljon Seferi +3 more
wiley +1 more source
Chengshi guidao jiaotong yanjiuObjectiveAs the core for power supply system of urban rail transit vehicles, the pantograph-catenary system undertakes the important functions of transmitting electrical energy to vehicles through catenary and ensuring their normal operation.
Shiyu ZHANG +3 more
doaj +1 more source
Study of a nonlinear multi-terms boundary value problem of fractional pantograph differential equations [PDF]
, 2021 Muhammad Bahar Ali Khan +5 more
openalex +1 more source
Introduction of variability in pantograph-catenary dynamic simulations [PDF]
, 2013 Currently, pantograph-catenary dynamic simulations codes are mainly based on deterministic approaches. However, the contact force between catenary and pantograph depends on many key parameters that are not always quantified precisely.
BALMES, Etienne +3 more
core +3 more sources
IET Electrical Systems in Transportation, Volume 2025, Issue 1, 2025.In addressing the issue of electromagnetic interference in railway environments, research into the coupling pathways, amplitude distribution patterns, and attenuation characteristics of such interference is crucial for identifying practical solutions. Rails, a common channel for signaling and traction power supply systems, play a pivotal role in anti ...
Shaotong Chu +2 more
wiley +1 more source
Study of Vehicle Pantograph-catenary Dynamic Performance Based on ADAMS
机车电传动, 2018 Pantograph-catenary dynamics performance determined the current receiving quality. The pantograph-catenary dynamics model was built according to CED160D pantograph and simple chain contacting catenary with ADAMS. The operating state of the train was used
LIU Nan
doaj