Evaluation of ride comfort in a railway passenger car depending on a change of suspension parameters

J Dižo, M Blatnický, J Gerlici, B Leitner, R Melnik… - Sensors, 2021 - mdpi.com
Ride comfort for passengers remains a pressing topic. The level of comfort in a vehicle can
influences passengers' preferences for a particular means of transport. The article aims to …

Influence of the suspension model in the simulation of the vertical vibration behavior of the railway vehicle car body

M Dumitriu, II Apostol, DI Stănică - Vibration, 2023 - mdpi.com
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 …

Study on the evaluation methods of the vertical ride comfort of railway vehicle—mean comfort method and sperling's method

M Dumitriu, DI Stănică - Applied Sciences, 2021 - mdpi.com
The paper herein analyzes the ride comfort at the vertical vibrations of the railway vehicle,
evaluated by two methods—mean comfort method and Sperling's method. The two methods …

The limit of the lateral fundamental frequency and comfort analysis of a straddle-type monorail tour transit system

F Guo, Y Ji, Q Liao, B Liu, C Li, S Wei, P Xiang - Applied Sciences, 2022 - mdpi.com
The straddle-type monorail tour transit system is a light overhead steel structure, and the
lateral stiffness is generally low. However, the limit of the lateral natural vibration frequency …

Effect of the anti-yaw damper on carbody vertical vibration and ride comfort of railway vehicle

M Dumitriu, DI Stănică - Applied Sciences, 2020 - mdpi.com
The theoretical research on means to reduce the vertical vibrations and improve the ride
comfort of the railway vehicle relies on a mechanical model obtained from the simplified …

Correlation between Ride Comfort Index and Sperling's Index for Evaluation Ride Comfort in Railway Vehicles

M Dumitriu, MC Leu - Applied Mechanics and Materials, 2018 - Trans Tech Publ
Ride comfort is a reference point in evaluating the dynamic performance in railway vehicles.
There are more methods to assess the ride comfort, depending on the traffic details and the …

Scale models to verify the effectiveness of the methods to reducing the vertical bending vibration of the railway vehicles carbody: Applications and design elements

M Dumitriu, T Mazilu, II Apostol - Applied Sciences, 2023 - mdpi.com
The purpose of this paper is to present applications and design elements of scale models of
the carbody of railway vehicles integrated in experimental laboratory systems to verify the …

Influence of bending vibration on the vertical vibration behaviour of railway vehicles carbody

M Dumitriu, II Dihoru - Applied Sciences, 2021 - mdpi.com
The topic of reducing structural vibrations in the case of flexible carbodies of railway vehicles
has been intensively studied, but it is still an active research topic thanks to the importance …

Effect of the asymmetry of suspension damping on the ride comfort of railway vehicles

M Dumitriu - Australian Journal of Mechanical Engineering, 2022 - Taylor & Francis
In terms of reliability, the damper represents the critical element of the suspension in the rail
vehicle. A damper failure brings about a reduction in the damping of the suspension it …

Critical points numerical analysis of ride comfort of the flexible railway carbody

DI Stanica, M Dumitriu - IOP Conference Series: Materials …, 2019 - iopscience.iop.org
Ride comfort is one of the criteria for evaluating the dynamic behaviour in railway vehicles,
through which the complex sensation triggered by the vibrations in the railway vehicle …