<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The recent trends in the automotive industry have enforced chassis solutions beyond the reach of conventional systems. Thus, extending the functionality of passive hydraulic dampers is vital in improving their effectiveness while maintaining low production and operating costs. This paper presents a general structure of a passive shock absorber with so-called frequency-dependent (FD) damping characteristics and points to constitutive elements of the valves used in this type of an adaptive damper. A mathematical description of FD damper is provided together with a model developed in the Siemens AMESim environment. The performance of the model was verified against the data from tests with a real, commercially available FD shock absorber. Furthermore, in order to emphasise its efficiency, the authors have carried out a study involving quarter car models (QCM) with and without the FD damper, respectively. The results have clearly shown major advantages of utilising FD dampers in a suspension.</p>
</abstract>

The recent trends in the automotive industry have enforced chassis solutions beyond the reach of conventional systems. Thus, extending the functionality of passive hydraulic dampers is vital in improving their effectiveness while maintaining low production and operating costs. This paper presents a general structure of a passive shock absorber with so-called frequency-dependent (FD) damping characteristics and points to constitutive elements of the valves used in this type of an adaptive damper. A mathematical description of FD damper is provided together with a model developed in the Siemens AMESim environment. The performance of the model was verified against the data from tests with a real, commercially available FD shock absorber. Furthermore, in order to emphasise its efficiency, the authors have carried out a study involving quarter car models (QCM) with and without the FD damper, respectively. The results have clearly shown major advantages of utilising FD dampers in a suspension.

Modelling and Experimental Study of a Passive Frequency-Dependent Vehicle Suspension Damper

Acta Mechanica et Automatica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The recent trends in the automotive industry have enforced chassis solutions beyond the reach of conventional systems. Thus, extending the functionality of...

Modelling and Experimental Study of a Passive Frequency-Dependent Vehicle Suspension Damper

Online veröffentlicht: 17. Juli 2024

Seitenbereich: 409 - 418

Eingereicht: 28. Sept. 2023

Akzeptiert: 07. Jan. 2024

DOI: https://doi.org/10.2478/ama-2024-0045

Schlüsselwörter
vehicle dynamics, ride, road holding, adaptive damping, quarter car, frequency dependent damping

© 2024 Bartłomiej Franczyk et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Modelling and Experimental Study of a Passive Frequency-Dependent Vehicle Suspension Damper

Online veröffentlicht: 17. Juli 2024

Seitenbereich: 409 - 418

Eingereicht: 28. Sept. 2023

Akzeptiert: 07. Jan. 2024

DOI: https://doi.org/10.2478/ama-2024-0045

Schlüsselwörtervehicle dynamics, ride, road holding, adaptive damping, quarter car, frequency dependent damping

© 2024 Bartłomiej Franczyk et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Schlüsselwörter
vehicle dynamics, ride, road holding, adaptive damping, quarter car, frequency dependent damping