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Design and damping matching method for a novel decoupled suspension system

Junnian Wang et al.

International Journal of Vehicle Design: journal of vehicle engineering, automotive technology and components2025https://doi.org/10.1504/ijvd.2025.149120article
ABDC B
Weight
0.50

Abstract

To address the coupling of stiffness and damping in the suspension system of high-performance vehicles under heave and roll manoeuvres, this paper designs a decoupled suspension system and proposes a damping matching method. First, the motion characteristics of various decoupled suspension structures are analysed, leading to the development of the decoupled suspension in which roll stiffness is provided by a torsion bar. Then, damper selection and testing are conducted, and the damping matching method for the decoupled suspension system is proposed. Finally, three tests are conducted: multi-body dynamics simulation for decoupling analysis, lap time simulation for the vehicle performance, and real-vehicle test for the symmetry of the damper motion. The results show that a race car equipped with the decoupled suspension achieves shorter lap times compared to one with a traditional suspension, and the proposed damping matching method provides an ideal baseline for suspension design and tuning.

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https://doi.org/https://doi.org/10.1504/ijvd.2025.149120

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@article{junnian2025,
  title        = {{Design and damping matching method for a novel decoupled suspension system}},
  author       = {Junnian Wang et al.},
  journal      = {International Journal of Vehicle Design: journal of vehicle engineering, automotive technology and components},
  year         = {2025},
  doi          = {https://doi.org/https://doi.org/10.1504/ijvd.2025.149120},
}

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Design and damping matching method for a novel decoupled suspension system

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0.50

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F · citation impact0.50 × 0.4 = 0.20
M · momentum0.50 × 0.15 = 0.07
V · venue signal0.50 × 0.05 = 0.03
R · text relevance †0.50 × 0.4 = 0.20

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