Results 11 to 20 of about 16,923,133 (204)

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   +2 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

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

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   +2 more sources

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

Lightweight Technology for High-speed EMU Passenger Seats

open access: yesChengshi guidao jiaotong yanjiu
[Objective] Lightweight design for high-speed EMUs (electric multiple units) enhances vehicle performance and effectively lowers energy consumption. The compartment passenger seats are numerous and evenly distributed,constituting a crucial component of ...
JIA Xu
doaj   +2 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   +2 more sources

Magnetoelectric Multiferroics for the Next-Generation Ultralow-Power Electronics. [PDF]

open access: yesAdv Sci (Weinh)
Magnetoelectric coupling provides a unifying route from electric‐field control of magnetic order to non‐volatile MeRAM, MESO logic, and emerging antiferromagnetic and magnonic devices. By connecting switching physics with device benchmarks, material platforms, and integration strategies, distinctive technological opportunities are identified alongside ...
Liu Y   +13 more
europepmc   +2 more sources

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