Results 61 to 70 of about 144,321 (212)

FeederAnt - An autonomous mobile unit feeding outdoor pigs [PDF]

open access: yes, 2007
Small robots and the concept of decentralized animal husbandry make it possible to renew the principles of organic agriculture. The farm animals will be able to use the same type of housing and are placed integrated with the fields.
Andersen, B.H.   +7 more
core   +1 more source

A traction load modeling method of metro trains based on the regenerative braking energy effective utilization and its application

open access: yes机车电传动, 2022
Currently, many metro lines use ground energy storage facilities to gather regenerative braking energy of trains. The capacity configuration of the energy storage facility is closely associated with the characteristics of regenerative braking power of ...
SHI Dan, GAO Dongsheng, YANG Rui
doaj  

Research on the Development Path of Urban Rail Transit Traction Power Supply System Based on Foreign Experience

open access: yesChengshi guidao jiaotong yanjiu
[Objective] In the context of the current urban rail transit towards intelligent,green and low-carbon development, upgrading the traction power supply system, the "heart" of urban rail transit, is of crucial importance for realizing the green and smart ...
HU Ji, LING Chen, SU Jingqi, LIU Shuo
doaj   +1 more source

Energy-saving Operation Optimization Strategy of Urban Rail Transit Co-phase Energy Storage Power Supply System

open access: yesChengshi guidao jiaotong yanjiu
Objective As modular co-phase power supply devices are used in Guangzhou Metro Line 18,it is necessary to study the energy-saving operation optimization strategy of the co-phase energy storage power supply system in order to solve the problem of low ...
HOU Feng, WANG Shuai, SUN Zhongrui
doaj   +1 more source

Traction Power Substation Load Analysis with Various Train Operating Styles and Substation Fault Modes

open access: yesEnergies, 2020
The simulation of railway systems plays a key role in designing the traction power supply network, managing the train operation, and making changes to timetables.
Zhongbei Tian   +4 more
doaj   +1 more source

Storage Device Sizing for a Hybrid Railway Traction System by Means of Bicausal Bond Graphs [PDF]

open access: yes, 2006
In this paper, the application of bicausal bond graphs for system design in electrical engineering is emphasized. In particular, it is shown how this approach is very useful for model inversion and parameter dimensioning.
Dauphin-Tanguy G.   +9 more
core   +2 more sources

MODES OF OPERATION OF THE SYSTEM OF TRACTION POWER AC USING REACTIVE POWER COMPENSATION DEVICES

open access: yesElectrical engineering & Electromechanics, 2015
The paper presents a systematic analysis of existing methods of reactive power compensation. The study of operating modes of the systems external and traction power supply is carried out.
I.V. Domanskyi
doaj  

Research on modeling and simulation of traction power supply system of guideway rubber-tires train

open access: yesInternational Journal of Electrical Power & Energy Systems
Guideway rubber-tires system, also known as Rapid rubber-tires trail (RRT), is a new type of urban rail transit. The train uses rubber tires as running wheels and uses guide rails to achieve steering.
Haida Xu   +3 more
doaj   +1 more source

Modeling and Detecting False Data Injection Attacks against Railway Traction Power Systems [PDF]

open access: yes, 2017
Modern urban railways extensively use computerized sensing and control technologies to achieve safe, reliable, and well-timed operations. However, the use of these technologies may provide a convenient leverage to cyber-attackers who have bypassed the ...
Lakshminarayana, Subhash   +3 more
core   +2 more sources

Transport and energy in India. Energy used by Indian transport systems and consequent emissions: the need for quantitative analyses (Well-to-Wheel, Lifecycle) [PDF]

open access: yes, 2013
The purpose of this work is, at first, a general overview on the state-of-art of the transportation system in India outlining the related energy consumption, for the different transport modes, with consequent estimated emissions.
Bensaid, Samir   +3 more
core  

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