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Cơ quản chủ quản: SPRINGER , Springer Nature Switzerland AG
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Electrical and Electronic EngineeringMechanical EngineeringComputer Science ApplicationsComputational MechanicsTransportation
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Các bài báo tiêu biểu
Active suspension in railway vehicles: a literature surveyAbstract Since the concept of active suspensions appeared, its large possible benefits has attracted continuous exploration in the field of railway engineering. With new demands of higher speed, better ride comfort and lower maintenance cost for railway vehicles, active suspensions are very promising technologies. Being the starting point of commercial application o... ...
- 2020
Damage tolerance of fractured rails on continuous welded rail track for high-speed railwaysAbstract Broken gap is an extremely dangerous state in the service of high-speed rails, and the violent wheel–rail impact forces will be intensified when a vehicle passes the gap at high speeds, which may cause a secondary fracture to rail and threaten the running safety of the vehicle. To recognize the damage tolerance of rail fracture length, the implicit–explicit... ...
- 2021
Quantitative detection of locomotive wheel polygonization under non-stationary conditions by adaptive chirp mode decompositionAbstract Wheel polygonal wear is a common and severe defect, which seriously threatens the running safety and reliability of a railway vehicle especially a locomotive. Due to non-stationary running conditions (e.g., traction and braking) of the locomotive, the passing frequencies of a polygonal wheel will exhibit time-varying behaviors, which makes it too difficult ... ...
Tập 30 Số 2 - Trang 129-147 - 2022
A comprehensive review on coupling vibrations of train–bridge systems under external excitationsAbstract In recent years, high-speed railways in China have developed very rapidly, and the number and span of the railway bridges are keeping increasing. Meanwhile, frequent extreme disasters, such as strong winds, earthquakes and floods, pose a significant threat to the safety of the train–bridge systems. Therefore, it is of paramount importance to evaluate the sa... ...
- 2022
Analysis of rail potential and stray current in MVDC railway electrification systemAbstract In contrast to the conventional direct current railway electrification system (DC-RES), the medium voltage direct current (MVDC)-RES is considered promising for long-distance high-speed corridors. In the MVDC-RES, traction substations (TSSs) are placed much farther and train loads are much heavier than in the conventional DC-RES. Hence, the MVDC-RES brings ... ...
Tập 29 Số 4 - Trang 394-407 - 2021
Aerodynamic characteristics of a high-speed train crossing the wake of a bridge tower from moving model experimentsAbstract In a strong crosswind, the wake of a bridge tower will lead to an abrupt change of the aerodynamic forces acting on a vehicle passing through it, which may result in problems related to the transportation safety. This study investigates the transient aerodynamic characteristics of a high-speed train moving in a truss girder bridge and passing by a bridge to... ...
- 2022
Measured load spectra of the bearing in high-speed train gearbox under different gear meshing conditionsAbstract The load spectrum is a crucial factor for assessing the fatigue reliability of in-service rolling element bearings in transmission systems. For a bearing in a high-speed train gearbox, a measurement technique based on strain detection of bearing outer ring was used to instrument the bearing and determine the time histories of the distributed load in the bea... ...
- 2023
Traction power substation balance and losses estimation in AC railways using a power transfer device through Monte Carlo analysisAbstract The high dynamic power requirements present in modern railway transportation systems raise research challenges for an optimal operation of railway electrification. This paper presents a Monte Carlo analysis on the application of a power transfer device installed in the neutral zone and exchanging active power between two sections. The main analyzed paramete... ...
Tập 30 Số 1 - Trang 71-95 - 2022
Prediction of high-speed train delay propagation based on causal text informationAbstract The delay-causing text data contain valuable information such as the specific reasons for the delay, location and time of the disturbance, which can provide an efficient support for the prediction of train delays and improve the guidance of train control efficiency. Based on the train operation data and delay-causing data of the Wuhan–Guangzhou high-speed r... ...
Tập 31 Số 1 - Trang 89-106 - 2023
A strategy for lightweight designing of a railway vehicle car body including composite material and dynamic structural optimizationAbstract Rolling stock manufacturers are finding structural solutions to reduce power required by the vehicles, and the lightweight design of the car body represents a possible solution. Optimization processes and innovative materials can be combined in order to achieve this goal. In this framework, we propose the redesign and optimization process of the car body ro... ...
- 2023