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Performance Analysis and Optimization of ISD Suspension Under Vehicle-Bridge Vertical Coupled Vibration
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Yang XU, Buyun ZHANG, Yong WANG, Xiaoliang ZHANG, Xing XU
Chinese Journal of Automotive Engineering | 2025, 15(2) : 187 - 196
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Chinese Journal of Automotive Engineering | 2025, 15(2): 187-196
• System Dynamics Section •
Performance Analysis and Optimization of ISD Suspension Under Vehicle-Bridge Vertical Coupled Vibration
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Yang XU, Buyun ZHANG, Yong WANG, Xiaoliang ZHANG, Xing XU
Affiliations
  • Automotive Engineering Research Institute，Jiangsu University，Zhenjiang 212013，Jiangsu，China
Published: 2025-03-20 doi: 10.3969/j.issn.2095‒1469.2025.02.07
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To improve vehicle ride comfort on bridges and reduce its impact on the bridge structure, a parametric optimization method for the inerter-spring-damper (ISD) suspension was developed, taking into account the influence of vehicle-bridge interaction (VBI) on vehicle and bridge responses. A coupled vehicle-bridge system was modeled using a Euler-Bernoulli simply supported beam and a single-/dual-mass vehicle to analyze the impact of the interaction on the inherent characteristics of both the vehicle and the bridge. The advantages of the ISD suspension under coupling effects were examined and the influence of the inertial coefficient on transmissibility characteristics was analyzed. The fixed-point theory was employed to optimally adjust suspension damping, obtaining the optimal frequency and damping ratio for the vehicle. The results show that the ISD suspension improves high-frequency system characteristics, effectively reduces the transmissibility amplitude, enhances ride comfort and significantly suppresses bridge loads. The study is valuable for improving vehicle ride quality and the structural health of bridges.

vehicle bridge interaction  /  parametric optimization  /  fixed-point theory  /  ISD suspension  /  transmissibility
Yang XU, Buyun ZHANG, Yong WANG, Xiaoliang ZHANG, Xing XU. Performance Analysis and Optimization of ISD Suspension Under Vehicle-Bridge Vertical Coupled Vibration[J]. Chinese Journal of Automotive Engineering, 2025 , 15 (2) : 187 -196 . DOI: 10.3969/j.issn.2095‒1469.2025.02.07
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Article Info
doi: 10.3969/j.issn.2095‒1469.2025.02.07
  • Receive Date：2024-01-30
  • Online Date：2025-07-20
  • Published：2025-03-20
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  • Received：2024-01-30
  • Revised：2024-02-27
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    Automotive Engineering Research Institute，Jiangsu University，Zhenjiang 212013，Jiangsu，China
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表12种不同金属材料的力学参数
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Number of
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Number of
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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