Results 21 to 30 of about 4,223 (53)

Key Technologies and Standards of Fire Prevention and Control System for Rail Transit Vehicles

open access: yes机车电传动, 2020
The current development status of rail transit vehicle fire prevention and control system technology at home and abroad were introduced, and rail transit vehicle fire prevention and control system technology related standards were summarized. The R &
Guangtai CHEN   +6 more
doaj  

Model Optimization Design of Traction Pull Rod of Subway Structure Based on Finite Element Analysis

open access: yes机车电传动, 2020
Based on the finite element analysis software, the static strength of the three-dimensional model of a metro vehicle frame under abnormal working conditions was calculated.
Wei WANG   +4 more
doaj  

Research of Attack Angle on Quasi-static Derailment Criterion of the Rail Changing Robot

open access: yes机车电传动, 2020
To solve the problem that the derailment coefficient of the rail changing robot was conservative, and the reduction rate of wheel load was used as an auxiliary criterion without unified criterion, a method of identifying the derailment of the rail ...
Chaoyan WU, Tianhong LUO, Chun YANG
doaj  

Influence of Rail Line Gradient and Curve on Pantograph-Catenary Dynamic Performance

open access: yes机车电传动, 2020
In the study of the key mechanics problems in high-speed train, the pantograph-catenary dynamic performance under rail line gradient and curve is one of the most important research contents.
Huan ZOU   +3 more
doaj  

Combined Cooling System for Converter and Traction Motor on AC Drive Diesel Locomotive

open access: yes机车电传动, 2020
With the layout space condition of AC diesel locomotives getting worse, the split cooling mode for large components& motors and traditional cooling tower structure have shown great limitations.
Xiaofang ZHANG
doaj  

Application of Sensorless Control Technology of Permanent Magnet Synchronous Motor in Tianjin Metro

open access: yes机车电传动, 2020
The necessity of sensorless control technology of permanent magnet traction system in the field of rail transit was introduced, the position estimation method based on the electromagnetic relation of permanent magnet motor was summarized, and the ...
Xingxiang ZHOU
doaj  

Study on Foreign Objects Detection in the Gap between Platform Edge Door and Train Based on Laser Scanning

open access: yes机车电传动, 2020
According to the safety protection problem of the gap between platform edge door and train, the two automatic detection methods of laser correlation and infrared light curtain were introduced, which were wide spread adopted in the industry, and the ...
Ren LING   +5 more
doaj  

Sound Insulation Scheme of 120 km/h Metro Trains and Its Influence on Interior Noise

open access: yes机车电传动, 2020
With the increase of the speed of metro trains, the problem of interior noise is becoming more and more serious. The sound insulation test and optimization of components were carried out for the car body structure of metro train, and the noise reduction ...
Renqing WANG, Fei XIAO, Jiankun XIE
doaj  

Research on Iterative Learning Semi-active Control for Curve Passing of High-speed Train

open access: yes机车电传动, 2020
When the high-speed train passes the curve, its dynamics performance deteriorates. In order to improve the dynamic performance of high-speed train when passing through different curves, the influence of semi-active control with yaw damper on its dynamic ...
Yongjun AI   +3 more
doaj  

Design of Wheel-axle Transmission Scheme for High-speed Variable-gauge EMU Bogies

open access: yes机车电传动, 2020
In view of the problem of torque transmission between wheels and axles of high-speed variable-gauge EMU bogies, three transmission schemes were put forward, which were roller spline transmission scheme, spline shaft transmission scheme and sleeve spline ...
Feifei HU, Zhihui HUANG, Zhiwei ZHENG
doaj  

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