Results 11 to 20 of about 16,749,874 (243)

High-Speed EMU TCMS Design and LCC Technology Research

open access: yesEngineering, 2017
This paper introduces the high-speed electrical multiple unit (EMU) life cycle, including the design, manufacturing, testing, and maintenance stages. It also presents the train control and monitoring system (TCMS) software development platform, the TCMS ...
Hongwei Zhao, Zhiping Huang, Ying Mei
doaj   +3 more sources

Technological development and prospect of China's high speed EMU bogies

open access: yes机车电传动, 2023
Bogie is the running device that supports, pulls and realizes the brake of vehicle body, buffers vibration and rotates relative to the vehicle body, which determines the safety, reliability and quality of train operation.
LI Qiuze   +4 more
doaj   +3 more sources

INFLUENCE OF WHEEL POLYGON ON DYNAMIC PERFORMANCE OF HIGH SPEED EMU

open access: yesJixie qiangdu, 2020
With the continuous improvement of the running speed of the EMU,the wear of the wheels during the operation is intensified,which increases the maintenance cost and deteriorates the service environment of the train.
ZHANG JieJuan   +5 more
doaj   +3 more sources

Impact of Ground Current of HVDC Earth Electrode on High-speed EMU

open access: yes机车电传动, 2021
During the operation of HVDC system with the earth as the loop, the formed current  field in the ground has corrosion effect on the adjacent high-speed railway system.
Jie WU   +4 more
doaj   +2 more sources

Investigation on influencing factors of wheel polygonization of a plateau high-speed EMU train [PDF]

open access: yesRailway Sciences
Purpose – This study aims to investigate the cause of high-order wheel polygonization in a plateau high-speed electric multiple unit (EMU) train. Design/methodology/approach – A series of field tests were conducted to measure the vibration accelerations ...
Wei Li   +4 more
doaj   +3 more sources

High-speed EMU Emergency Braking Technology

open access: yes机车电传动, 2018
Emergency braking ensures that the EMU stops safely in the shortest distance. This paper presented the triggering condition of emergency braking from the standpoint of fail-safe principle, and introduced the realization method of train security loop ...
LUO Feiping   +4 more
doaj   +1 more source

Research on Noise Reduction Modification Design of High Speed EMU Traction Arc Toothed Cylindrical Gears

open access: yesApplied Sciences, 2023
Aiming at the deficiencies of the traction helical gear transmission system when the EMU is running at high speed, this paper proposes and designs a kind of arc toothed cylindrical gear adapted to the traction of higher speed EMU.
Jianping Sun   +4 more
doaj   +2 more sources

Parallel Control of Auxiliary Inverters for High-Speed EMU

open access: yesKongzhi Yu Xinxi Jishu, 2014
The control strategy of parallel inverters was analyzed and implemented with the background of high-speed EMU program. By calculating positive power and negative power, output voltage and frequency of auxiliary inverters were controlled with the PQ droop
WEI Kai, ZHANG Zhixue, SHANG Jing
doaj   +2 more sources

Beat-less Control Method for High-speed EMU

open access: yes机车电传动, 2020
Due to the application of the single-phase power supply mode in the traction drive system of high-speed EMU, the DC output voltage of the single-phase pulse rectifier is superimposed with an AC ripple voltage component which the frequency is twice the ...
Yong LIU   +4 more
doaj   +1 more source

Review on Fault Diagnosis Technology for High-speed EMU Gearboxes

open access: yesJixie chuandong, 2023
The gearbox is an important component of the system of high-speed trains, which is susceptible to damage and failure due to the long-term high-speed and heavy-load working environment, so it is important to diagnose the faults of high-speed train ...
Zhang Jianchao   +4 more
doaj   +2 more sources

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