Results 21 to 30 of about 12,279 (225)

Study of the functional diagram and algorithm of tracking system for electrodynamic braking of DC electric train

open access: yesВестник Научно-исследовательского института железнодорожного транспорта, 2020
One of the key ways to save operating costs in suburban traffic on lines electrified with direct current is to increase the return of electric energy when the drivers use the regenerative braking mode.Electrodynamic braking control systems that track the
V. A. Baranov   +3 more
doaj   +1 more source

Analysis of Nanotoxicity with Integrated Omics and Mechanobiology

open access: yesNanomaterials, 2021
Nanoparticles (NPs) in biomedical applications have benefits owing to their small size. However, their intricate and sensitive nature makes an evaluation of the adverse effects of NPs on health necessary and challenging.
Tae Hwan Shin   +10 more
doaj   +1 more source

Simulation of the pulsating current traction motor

open access: yesВестник Научно-исследовательского института железнодорожного транспорта, 2019
Design and improvement of traction electric engines ensuring reduction of the railway transportation power consumption is a current long-term objective.
Yuriy M. Kulinich   +2 more
doaj   +1 more source

Discrete RBF Adaptive Robust Sliding Mode Network Control Method for High-speed Trains

open access: yesChengshi guidao jiaotong yanjiu
Objective To achieve reliable control of traction and braking key systems in trains while suppressing the impact of communication delay on train control, a discrete RBF (radial basis function) adaptive robust sliding mode control (abbreviated as ARSMC ...
LIU Yong, ZHANG Tong, ZHAO Ke
doaj   +1 more source

Power Prediction of Airborne Wind Energy Systems Using Multivariate Machine Learning

open access: yesEnergies, 2020
Kites can be used to harvest wind energy at higher altitudes while using only a fraction of the material required for conventional wind turbines. In this work, we present the kite system of Kyushu University and demonstrate how experimental data can be ...
Mostafa A. Rushdi   +5 more
doaj   +1 more source

IMPACT MECHANISMS RESEARCH IN THE CONTACT NETWORK ON RAIL TRACK CIRCUITS

open access: yesNauka ta progres transportu, 2015
Purpose. Еlectromagnetic processes in «contact network-rails-earth»system should be researched for the purpose of electromagnetic compatibility rail circuits with traction power supply system providing and improving traffic safety on railway transport ...
V. I. Shcheka
doaj   +1 more source

Modelling and Control by Neural Network of Electric Vehicle Traction System

open access: yesElektronika ir Elektrotechnika, 2018
Modelling and control by neural network of hybrid electric vehicle traction system is presented in this paper. The electric drive is composed by a battery bank and an ultracapacitor connected in parallel through bidirectional DC converters and a ...
Hristiyan Kanchev   +3 more
doaj   +1 more source

Modelling, simulating and parameter designing for traction power system with bidirectional converter devices

open access: yesIET Generation, Transmission & Distribution, 2022
The bidirectional converter device (BCD) can substitute the substation rectifier and the energy feedback system (EFS) by transforming energy between the AC side and DC side.
Jian Zhang   +5 more
doaj   +1 more source

Swelling‐Programmed Topographical Guidance for Dynamic Spheroid Self‐Assembly via a Mechanochemical Hydrogel Niche

open access: yesAdvanced Functional Materials, EarlyView.
A swelling‐programmed micropatterned hydrogel guides adherent cells through a controlled transition from cell–matrix anchoring to cadherin‐mediated cell–cell compaction, enabling rapid assembly of high‐viability spheroids with defined size and morphology.
Han Gyeol Nam   +8 more
wiley   +1 more source

Submicron traction-force mapping reveals mitochondrial regulation of nanoscale force coordination during rigidity sensing under oxidative stress

open access: yesNano Convergence
Oxidative stress is closely associated with aging, fibrosis, and cancer progression, yet how oxidative stress affects rigidity sensing remains poorly understood.
Muhammad Anwar Ul Hassan   +5 more
doaj   +1 more source

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