A Global Non-roundness Detection Algorithm for Urban Rail Vehicle Wheels

2020 ◽  
pp. 57-65
Author(s):  
Zhihui Zhou ◽  
Xinhai Liu ◽  
Yuanyuan Zhou ◽  
Gaopeng Zhao ◽  
Zongyi Xing
Keyword(s):  
Detection Algorithm ◽  
Rail Vehicle ◽  
Urban Rail

Dynamics Analysis and Power Allocation Strategy Research for a New Hybrid Electric Urban Rail Vehicle

2013 ◽  
Vol 300-301 ◽  
pp. 93-98 ◽  
Author(s):  
Yan Qiu Chen ◽  
Ji Ye Zhang ◽  
Xiao Xi Chen ◽  
Ming Li
Keyword(s):  
Power Allocation ◽  
General Structure ◽  
Point Of View ◽  
Allocation Strategy ◽  
Electric Locomotive ◽  
Strategy Research ◽  
Rail Vehicle ◽  
Rail Vehicles ◽  
Urban Rail ◽  
Hybrid Electric

In order to improve the efficiency and environment-friendliness of urban rail vehicles, a new hybrid electric locomotive is proposed. The general structure of the proposed hybrid electric locomotive is given and analyzed from a dynamics point of view. The calculation method of power output and its allocation strategy is discussed. A simulation is conducted in HELSP(Hybrid Electric Locomotive Simulation Platform) to verify the performance of the power allocation strategy. The result indicates that the function of allocating power can be properly realized, and the regeneration energy from frequent braking can be absorbed by the power storage of the vehicle.

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