Nonlinear optimal frequency control for dynamic vibration absorber and its application

F Li, H Wu, L Liu, Y Ye, Y Wang, P Wu - Mechanical Systems and Signal …, 2025 - Elsevier
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 …

Experimental and numerical investigation on multi-module coupling vibration performance of light rail vehicle

Q Wang, J Zeng, L Wei, H Dong, Y Shi - Journal of Vibration Engineering …, 2024 - Springer
Purpose The abnormal vibration of the light rail vehicle (LRV) has always limited the further
improvement of the ride comfort, one of which is caused by multi-module coupling vibration …

Parameter optimization of multi-suspended equipment to suppress carbody vibration of high-speed railway vehicles: a comparative study

Q Wang, J Zeng, H Shi, X Jiang - International Journal of Rail …, 2024 - Taylor & Francis
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 control of primary suspensions to improve ride quality in a high-speed railway vehicle

B Fu, B Liu, E Di Gialleonardo, S Bruni - Vehicle System Dynamics, 2023 - Taylor & Francis
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 …

Experimental and mathematical study of flexible–rigid rail vehicle riding comfort and safety

SK Sharma, RC Sharma, Y Choi, J Lee - Applied Sciences, 2023 - mdpi.com
This paper analyses the dynamic behavior of a rail vehicle using experimental and
simulation analysis on a multi-rigid–flex body model. The mathematical models are …

Parameters optimum of multiple underframe suspended equipment on high-speed railway vehicle carbody vibration control by using an improved genetic algorithm

Q Wang, J Zeng, R Mao… - Journal of Vibration and …, 2024 - journals.sagepub.com
Carbody vibration control and ride comfort improvement are important research parts of high-
speed railway vehicle dynamic. The effectiveness of utilizing carbody underframe …

Vibration reduction of a Timoshenko beam with multiple parallel nonlinear energy sinks

WY Zhang, MQ Niu, LQ Chen - Applied Sciences, 2022 - mdpi.com
A nonlinear energy sink is a promising device to reduce structural vibrations. In this work, the
vibration reduction performances of multiple parallel nonlinear energy sinks attached to a …

An examination of alternative schemes for active and semi-active control of vertical car-body vibration to improve ride comfort

B Fu, S Bruni - Proceedings of the Institution of Mechanical …, 2022 - journals.sagepub.com
The recent tendency to reduce the weight of car bodies is posing a new challenge to vertical
ride quality, since the vibrations related to car-body vertical bending modes affect heavily …

A diagnostic method of freight wagons hunting performance based on wayside hunting detection system

Q Wang, D Li, J Zeng, X Peng, L Wei, W Du - Measurement, 2024 - Elsevier
Vehicle hunting instability can cause a great threat to the operational safety of freight
wagons, which urgently requires condition monitoring. To address this challenge, an …

Suppression of the flexible carbody resonance due to bogie instability by using a DVA suspended on the bogie frame

C Huang, J Zeng - Vehicle System Dynamics, 2022 - Taylor & Francis
A novel method is proposed to suppress the flexible carbody resonance due to bogie
instability by hanging a dynamic vibration absorber (DVA) to the bogie frame. The aim is to …