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Numerical study on the effect of a downstream braking plate on the detailed flow field and unsteady aerodynamic characteristics of an upstream braking plate with or without a crosswind

期刊: VEHICLE SYSTEM DYNAMICS, 2021; 59 (5)

A DDES based on the SST kappa-omega turbulence model was used to simulate the aerodynamic characteristics of a braking plate, and the aerodynamic forc......

Effect of wheel flat on dynamic wheel-rail impact in railway turnouts

期刊: VEHICLE SYSTEM DYNAMICS, ; ()

Wheel flat is a form of wheel tread defect that reduces the service life and running safety of trains and tracks. Based on the multi-body system dynam......

Vibration fatigue analysis of high-speed railway vehicle carbody under shaking condition

期刊: VEHICLE SYSTEM DYNAMICS, ; ()

A method called modified modal superposition method (MMSM) for calculating the vibration fatigue dynamic stress of carbody under shaking condition is ......

On the effect of rail-end slope in train aerodynamics under crosswind

期刊: VEHICLE SYSTEM DYNAMICS, ; ()

Railway track models with sloped subgrade ends, are commonly used in studies of train. In the present work, the effect of subgrade-end slope under a y......

Enhancing pantograph-catenary dynamic performance using an inertance-integrated damping system

期刊: VEHICLE SYSTEM DYNAMICS, ; ()

For modern electrical rail systems, the pantograph-catenary dynamic performance is one of the most critical challenges. Too much fluctuation in contac......

Dynamic performance of locomotive electric drive system under excitation from gear transmission and wheel-rail interaction

期刊: VEHICLE SYSTEM DYNAMICS, ; ()

Development of railway transportation capabilities towards high-power, high-speed and heavy axle-load makes the dynamic interactions between the elect......

Optimisation strategy of torque distribution for the distributed drive electric wheel loader based on the estimated shovelling load

期刊: VEHICLE SYSTEM DYNAMICS, ; ()

The drive torque for each motor can be performed independently for the distributed drive electric wheel loader (DDEWL). On the shovelling condition, t......

Switching control of semi-active suspension based on road profile estimation

期刊: VEHICLE SYSTEM DYNAMICS, ; ()

The road condition is complex and variable during driving; hence, the suspension system cannot easily suppress the vertical vibration of the vehicle. ......

Vibration-based damage detection of rail fastener using fully convolutional networks

期刊: VEHICLE SYSTEM DYNAMICS, ; ()

The rail fastener plays an important role in supporting the rail and isolating the train-track system vibrations. Its damage detection is therefore an......

Dynamics simulation of the high-speed train using interconnected hydro-pneumatic suspension as a self-steering system

期刊: VEHICLE SYSTEM DYNAMICS, ; ()

The high-speed train needs excellent curve-passing performance, reducing wheel/rail force and wear, and sufficient hunting stability. According to the......

Two Nash-equilibrium-based steering control models for representing a driver's interaction with vehicle automated steering

期刊: VEHICLE SYSTEM DYNAMICS, ; ()

Automated steering technology offers significant benefits to the safety of vehicles, but desire to keep the human driver in the loop requires a better......

A roll frequency design method for underframe equipment of a high-speed railway vehicle for elastic vibration reduction

期刊: VEHICLE SYSTEM DYNAMICS, ; ()

Field measurements of the elastic vibration of a car body (CB) and its coupling with the underframe equipment vibration were carried out for a high-sp......

High-performance semiactive secondary suspension of high-speed trains using negative stiffness and magnetorheological dampers

期刊: VEHICLE SYSTEM DYNAMICS, ; ()

With increasing transportation speed, the excessive vibrations of high-speed trains (HSTs) have become a critical issue to be solved. This study prese......

Fault-tolerant prescribed performance control of active suspension based on approximation-free method

期刊: VEHICLE SYSTEM DYNAMICS, ; ()

This paper proposes a fault-tolerant controller for active suspension to improve the bounce and pitch performance of a half-car system. In order to gu......

Evaluation of alternative turnout layout designs for an improved dynamic performance of a vehicle-turnout system

期刊: VEHICLE SYSTEM DYNAMICS, ; ()

The turnout is the key equipment for guiding trains to change lines in railway track, which can affect the vehicle running smoothness and limit the tr......

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