Results 21 to 30 of about 1,480 (206)
Adaptive and Robust Fault-Tolerant Tracking Control of Contact force of Pantograph-Catenary for High-Speed Trains [PDF]
, 2015 This paper presents a modified multi-body dynamic model and a linear time-invariant model with actuator faults (loss of effectiveness faults, bias faults) and matched and unmatched uncertainties.
Yan, Xinggang +3 more
core +1 more source
Pantograph catenary dynamic optimisation based on advanced multibody and finite element co-simulation tools [PDF]
, 2013 This paper presents recent developments undertaken by the SNCF Innovation & Research Department on numerical modelling of pantograph catenary interaction. It aims at describing an efficient co-simulation process between finite element (FE) and multibody (
BALMES, Etienne +4 more
core +1 more source
, 2023 Good pantograph-catenary interaction quality is a fundamental premise for ensuring stable and reliable current collection of high-speed trains, and the optimization of dynamic parameters of high-speed pantographs provides an effective approach to improve
Zhou, Rui +3 more
core +2 more sources
Engineering Applications of Computational Fluid Mechanics, 2023 The pantograph is one of the primary sources of aerodynamic drag and noise during the operation of a high-speed train. To investigate the impact of the pantograph fairing on the aerodynamic performance at various train heights, six computational models ...
Hongkang Liu +6 more
doaj +1 more source
Aerodynamic Characteristics of High-speed Train Pantographs Based on Jet Flow Control [PDF]
Journal of Applied Fluid MechanicsThe pantograph is a critical instrument that significantly affects the aerodynamics of high-speed trains, posing a considerable challenge to the energy conservation and environmental protection of trains.
S. Huang +5 more
doaj +1 more source
A Study on the Measuring System of Contact Force of Pantograph for the High-Speed Train
Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2012 The overhead pantograph for the high speed train is a mechanical and electrical part mounted on the train roof to supply the train with electrical power from the catenary system.
Jin-Sung PAIK +3 more
doaj +1 more source
Applied SciencesThrough the geometric relationships and force analysis of the main components of pantographs on high-speed trains, the coefficients of aerodynamic forces and lift transmission between the pantograph and main components under crosswind conditions were ...
Meng Zhao +3 more
doaj +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
Contact Force Surrogate Model and Its Application in Pantograph–Catenary Parameter Optimization
Applied SciencesThe significant increase in the speed of high-speed trains has made the optimization of pantograph–catenary parameters aimed at improving current collection quality become one of the key issues that urgently need to be addressed.
Rui Zhou, Xianghong Xu
doaj +1 more source
The pantograph-catenary arc test system for high-speed railways
, 2012 High speed electric multi units (EMU) get power through pantograph-centenary electrical contact. As the EMU running velocity increases, rail surface irregularities, undulations of the catenary and vibrations of the pantograph head cause the status of ...
Wu, Guang-Ning +5 more
core +1 more source