75 Result(s)
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Article
Progress in high-speed train technology around the world
This is a review of high-speed train development in the sense of technology advances all over the world. Three generations of high-speed trains are classified according to their technical characteristics and m...
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Article
Pantograph and catenary system with double pantographs for high-speed trains at 350 km/h or higher
The paper is aimed at develo** an optimized design of the pantograph and catenary system with double pantographs at a speed of 350 km/h for the Wuhan-Guangzhou high-speed railway. First, the pantograph and c...
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Article
An improved algorithm for fluid-structure interaction of high-speed trains under crosswind
Based on the train-track coupling dynamics and high-speed train aerodynamics, this paper deals with an improved algorithm for fluid-structure interaction of high-speed trains. In the algorithm, the data commun...
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Key vacuum technology issues to be solved in evacuated tube transportation
Evacuated tube transportation (ETT) will be one of the ultra-large-scale vacuum application areas. This paper lists some key vacuum technology issues in ETT: (1) how to construct ultra-large-scale vacuum chamb...
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Mechanistic-empirical pavement design guide (MEPDG): a bird’s-eye view
Past editions of the American Association of State Highway and Transportation Officials (AASHTO) Guide for Design of Pavement Structures have served well for several decades; nevertheless, many serious limitat...
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Algorithms for mesh repairing to represent automobile parts
In representing automobile parts with mesh in the field of reverse engineering or finite element generation, the mesh reconstruction and data exchanging between different CAD/CAM systems often introduce many i...
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Influence of aerodynamic configuration of a streamline box girder on bridge flutter and vortex-induced vibration
Streamline box girders are widely applied in the design and construction of long-span bridges all over the world. In order to study the influence of modifications of aerodynamic configuration and accessory com...
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Experimental investigation of damage identification for continuous railway bridges
Considering the issue of misjudgment in railway bridge damage identification, a method combining the step-by-step damage detection method with the statistical pattern recognition is proposed to detect the stru...
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Aerodynamic performances and vehicle dynamic response of high-speed trains passing each other
Based on the aerodynamics and vehicle dynamics, the aerodynamic performances and vehicle dynamic characteristics of two high-speed trains passing each other on the ground, embankment and bridge are studied. Fi...
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The effect of track alignment irregularity on wheel-rail contact geometry relationship in a turnout zone
The irregularity is a key factor affecting the wheel-rail contact geometry relationship. In this paper, we calculated the wheel-rail contact points at typical sections and obtained the longitudinal variation o...
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Article
Dwell time estimation models for bus rapid transit stations
Bus rapid transit (BRT) systems have been shown to have many advantages including affordability, high capacity vehicles, and reliable service. Due to these attractive advantages, many cities throughout the wor...
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Article
Modified clustered comb pilot-aided fast time-varying channel estimation for OFDM system
As high-speed railway is booming worldwide, the communication system with fast-time varying channel has drawn great attention. The comb pilot based linear minimum mean square error (LMMSE) channel estimator is...
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Guest editorial: special issue on high mobility wireless communications
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Article
Open AccessA multi-objective train-scheduling optimization model considering locomotive assignment and segment emission constraints for energy saving
Energy saving and emission reduction for railway systems should not only be studied from a technical perspective but should also be focused on management and economics. On the basis of relevant train-schedulin...
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Open AccessComparative study on wheel–rail dynamic interactions of side-frame cross-bracing bogie and sub-frame radial bogie
Improving freight axle load is the most effective method to improve railway freight capability; based on the imported technologies of railway freight bogie, the 27 t axle load side-frame cross-bracing bogie an...
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Open AccessAir flow control based on optimal oxygen excess ratio in fuel cells for vehicles
Air flow control is one of the most important control methods for maintaining the stability and reliability of a fuel cell system, which can avoid oxygen starvation or oxygen saturation. The oxygen excess rati...
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Open AccessExtreme value of wind-excited response considering influence of bandwidth
This paper addresses the peak factors of wind-excited responses including alongwind, acrosswind tall building responses and vortex-induced vibration considering the bandwidth parameter. The influence of bandwi...
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Open AccessSystem integration of China’s first PEMFC locomotive
In the face of growing environmental pollution, develo** a fuel-cell-driven shunting locomotive is a great challenge in China for environmental protection and energy saving, which combines the environmental ...
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Article
Open AccessComparative study on mode split discrete choice models
Discrete choice model acts as one of the most important tools for studies involving mode split in the context of transport demand forecast. As different types of discrete choice models display their merits and...
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Article
Open AccessMonitoring subsidence rates along road network by persistent scatterer SAR interferometry with high-resolution TerraSAR-X imagery
Ground subsidence is one of the key factors damaging transportation facilities, e.g., road networks consisting of highways and railways. In this paper, we propose to apply the persistent scatterer synthetic ap...
