Results 31 to 40 of about 4,323 (113)

Simulation and experimental study on aerodynamic characteristics of urban rapid trains in tunnel operation

open access: yes机车电传动
This study addresses the aerodynamic challenges faced by urban rapid trains during full-tunnel operation, focusing on transient pressure fluctuations induced when trains pass through tunnels and micro-pressure waves at tunnel exits.
CHEN Xijun   +4 more
doaj  

Research on installation solution of eddy current braking devices on EMU bogies

open access: yes机车电传动
This research explored a solution for installing linear eddy current braking devices on the bogies of existing 400 km/h EMUs, aiming to make their braking systems more economical and environmentally friendly.
LIU Chao   +4 more
doaj  

A decoupling method for wheel-rail contact forces of heavy-duty trains based on big data and neural networks

open access: yes机车电传动
To accurately identify and predict wheel-rail contact forces during the operation of heavy-duty trains, this paper proposes a novel method of decoupling and predicting these forces based on big data related to non-contact strain at the wheel periphery ...
ZHANG Zhenhui   +4 more
doaj  

Light-induced difference FTIR spectroscopy of primate blue-sensitive visual pigment at 163 K. [PDF]

open access: yesBiophys Physicobiol, 2021
Hanai S, Katayama K, Imai H, Kandori H.
europepmc   +1 more source

Research on fault diagnosis of CTCS on-board equipment based on knowledge graph

open access: yes机车电传动
On-board equipment is a critical component of the Chinese train control system (CTCS), characterized by a complex organizational structure. Traditional CTCS on-board equipment faces three major challenges: low efficiency in fault diagnosis, difficulties ...
CHEN Huiyuan
doaj  

Research on an internal model control algorithm and parameter tuning for metro traction PMSMs

open access: yes机车电传动
High power density and high efficiency are two important trends in the research of permanent magnet synchronous motors (PMSM) used in metro traction systems.
SI Junmin, YUE Xuelei, TIAN Di, XU Kelei
doaj  

Analysis of kinematic and energy parameters of electric locomotive wheel–rail adhesion

open access: yesВестник Научно-исследовательского института железнодорожного транспорта
Introduction. Electric locomotive wheel–rail adhesion is determined by various parameters (kinematic and energetic) that affect the mass and speed of the train, energy consumption, etc.
A. A. Baklanov
doaj   +1 more source

Validation of mathematical model of electrothermal calculation of DC catenary on the basis of scale model

open access: yesВестник Научно-исследовательского института железнодорожного транспорта, 2018
The article compares the results of calculation of the finite element simulation of current and temperature distribution in the scale model of the DC catenary with the data of laboratory tests.
A. V. Paranin, A. B. Batrashov
doaj   +1 more source

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