Results 1 to 10 of about 4,223 (53)
Research on axle-box bearing fault feature extraction algorithm based on simulation test and BOA-VMD
机车电传动, 2022 Aiming at the problem that axle-box bearing faults are difficult to find during the operation of urban rail trains, a bearing fault feature extraction based on variational mode decomposition (VMD) parameter optimization using butterfly optimization ...
ZHANG Dongxing +5 more
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Research on key technologies for power electronic traction transformer
机车电传动, 2022 With the technological development of semiconductor and magnetic materials, the power electronic transformer has become a research hotspot in recent years.
CHEN Tao +5 more
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Regenerative braking energy efficient synergistic utilization technology for AC electrified railways
机车电传动, 2022 Strengthening the research and application of regenerative braking energy utilization technology is an important measure to promote the low carbon development of AC electrified railways.
LYU Shunkai, ZHANG Min, ZHANG Zhixue
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机车电传动, 2022 Lightweight and high specific energy absorption device is the key development component of standardized subway train. It is important to enhance the matching design of special energy absorption device to improve the crashworthiness of structure.
YANG Xiangyun, LU Zhaijun
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Influence of tunnel environment on internal acoustic comfort of the subway car
机车电传动, 2022 Operating environment plays an important role to the noise inside the subway car. Tunnel environment leads to the increase of noise of the subway car and the rapid decrease of sound comfort, which seriously affects the passengers' physical and mental ...
XIE Jiankun, CHEN Xiaowei, WEI Haiju
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Application of optical flow method in metro train speed measurement
机车电传动, 2022 Subway speed is an important parameter of train control system. The traditional subway speed measurement methods have some defects. In this paper, a new method of subway speed measurement by using the optical flow method in image processing was explored,
LYU Hongqiang +5 more
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An evaluation method for car-body hunting of railway vehicles based on peak count
机车电传动, 2022 The phenomenon of car-body hunting is widespread in railway vehicles and has become an important factor affecting passengers’ ride comfort. To better evaluate the level of car-body hunting in the daily operation of railway vehicles, on the basis of the ...
CUI Tao, SUN Jianfeng
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Research on a grille control scheme to enhance safety and comfort of rail vehicles
机车电传动, 2022 In order to improve the safety and comfort level of rail vehicles, a control scheme of vehicle grille was presented. When a fire occurred in a train, the spread of flame and poison gas could be prevented and the poison gas discharge could be promoted by ...
LI Yang +5 more
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Software analysis of environmental monitoring results [PDF]
, 2020 The paper deals with the development of a computer monitoring system. Computer monitoring is increasingly used today to control the hygienic performance of water, air and soil. Not only does modern computer technology not only measure and store data, but
Rublevskaya, N.I., Rublevsky, V.D.
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Research on optimal design of forced air-cooling heat transfer in inhomogeneous thermal field
机车电传动, 2022 Aiming at an integrated module with high power, high heat flux gradient and non-uniform thermophysical conditions, heat transfer optimization design research was conducted based on uniform temperature technology.
XU Hao +4 more
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