A principal limitation of passive dynamic vibration absorber (DVA) lies in its intrinsic design
constraint, as it is tuned to a specific resonant frequency, rendering it less effective at …

Disturbance observer-based sliding mode control (SMC) on the active vertical suspension
(AVS) is developed to suppress the car body's rigid and flexible vibration to improve ride …

Aiming at the vertical elastic vibration reduction of a railway vehicle carbody, the traditional
technology mainly focuses on the design of modal frequency, the method of increasing …

People use trains as a means of transportation to travel to various nearby and distant
destinations, resulting in an increasing amount of time spent inside such vehicles …

Parameter optimization of equipment suspended under the carbody underframe is one of
the important measures to suppress carbody vibration of high-speed trains. Previous work …

Semi-active suspensions are seen as a promising technology to improve ride quality in high-
speed railway vehicles as they provide substantial benefits not achievable through an …

The resonance vibration of flexible car-bodies greatly affects the dynamics performances of
high-speed trains. In this paper, we report a three-dimensional train–track model to capture …

A multidisciplinary design optimization method of a lightweight car body for fatigue life
prediction is presented in an attempt to minimize the coupling vibration interactions at …

Considering the coupling vibration of a flexible carbody and the underneath suspended
equipment, a vertical coupled vibration model of a high-speed train was constructed. A roller …

The evaluation of the vibration behavior of railway vehicle car bodies based on the results of
numerical simulations requires the adoption of an appropriate theoretical model of the …