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Understanding high coupler forces at metro vehicles
Vehicle System Dynamics, 2007Couplers of motor units connect the wagons mechanically, electrically and pneumatically. Nowadays they are also designed to meet crash requirements. Since the traction and braking forces are distributed along the motor unit, coupler forces occuring during operation are considered to be low. In most cases, this is actually true.
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Reliability Analysis and Prediction of Metro Vehicles’ Bogie Frame
Applied Mechanics and Materials, 2014Frame is the main bearing component of bogie and the reliability of which directly affects the performance and safety of the locomotive. Survival analysis is used for reliability analysis of bogie frame to solve uncertain life time problem. It turns out that the best life distribution model is three-parameter Weibull distribution. A prediction model of
Yong Qin, Zhen Yu Zhang, Jing Xuan Shi
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Out-of-Round Wheels and the Correlation Problem of Metro Vehicles
International Conference on Transportation Engineering 2007, 2007Spalling like scales of fish will emerge on the connection area between wheel tread and flange of one metro vehicle after it running a period of time on the track. The method of polish the track has not solved the phenomena yet. When wheel is out-of-round, the vertical vibration of the car-body is very big, and the tread must be cut to eliminate the ...
Rongrong Song, Weihua Ma, Shihui Luo
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Analyzing the Causes of Tread Damage in Metro Vehicles
Resilience and Sustainable Transportation Systems, 2020Chunmei Zhou +3 more
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RSFT-RBF-PSO: a railway wheel profile optimisation procedure and its application to a metro vehicle
Vehicle System Dynamics, 2022Yayun Qi, Huanyun Dai, Feng Gan
exaly
Transportation Research, Part E: Logistics and Transportation Review, 2021
Lixing Yang, Zhe Liang, Sijie Li
exaly
Lixing Yang, Zhe Liang, Sijie Li
exaly
Dynamic evaluation on ride comfort of metro vehicle considering structural flexibility
Archives of Civil and Mechanical Engineering, 2021Zhaowei Chen, Guo Zhu, Chen Zhaowei
exaly
Abnormal vibration analysis of metro axlebox based on vehicle-track coupling system
Advances in Mechanical Engineering, 2023Yixuan Shi, Qunsheng Wang, Xinyu Peng
exaly
Fuzzy control of traction motor in light metro vehicle
1996The paper describes application of fuzzy logic in the speed control system that uses dc/dc chopper and de traction motors. The fuzzy control linearizes the characteristics of the chopper in discontinuous conduction mode and controls the feedback current on speed loops as well.
OLCER, E +3 more
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