高速动车组惯容器弹性架悬转向架横向稳定性研究&nbsp;

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振动与冲击 ›› 2025, Vol. 44 ›› Issue (2) : 65-72.

振动理论与交叉研究

高速动车组惯容器弹性架悬转向架横向稳定性研究

祁亚运1，敖鹏1，戴焕云*2，石怀龙2，刘华1，贺星1，李慷3

作者信息 +

Lateral stability of the inerter elastic frame suspension bogie used in high-speed EMUs

QI Yayun1，AO Peng1，DAI Huanyun*2，SHI Huailong2，LIU Hua1，HE Xing1，LI Kang3

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文章历史 +

摘要

惯容器作为一种新型结构控制元件被广泛应用于结构振动系统中，但在转向架电机悬挂中却研究较少。建立3种惯容器-刚度-阻尼（inerter-stiffness-damping，ISD）电机架悬转向架横向动力学模型，采用光滑拟合曲线模拟等效锥度，用实测轨道谱作为转向架系统激励输入，以构架端部加速度滑移均方根综合值作为优化目标函数，通过减法平均优化器优化算法(SABO)对ISD架悬参数和原有架悬结构（suspension structure，SD）参数进行优化并分析其稳定性。结果表明，ISD串并联结构降低转向架振动响应效果最好，在新轮新轨匹配和车轮镟修后期条件下，其稳定性最佳，线性临界速度较SD结构可提升215.6km/h。ISD三并联结构各稳定性指标略低于SD结构，而ISD三串联结构会恶化转向架横向稳定性，降低其临界速度，同时，其综合均方根和最大均方根对速度变化最敏感，不利于改善转向架横向稳定性。研究结果可为高速动车组电机弹性架悬设计提供参考。

Abstract

Inerters are widely used as a new type of structural control element in structural vibration systems, but are less studied in bogie motor suspensions. Three kinds of inerter-stiffness-damping (ISD) motor frame suspension bogie lateral dynamics models are established. The equivalent conicity is simulated by smooth fitting curves, the measured track spectrum is used as the excitation input of the bogie system. The integrated value of the root-mean-square (RMS) of the acceleration at the end of the frame is used as the optimization objective function. The parameters of ISD frame suspension and the original frame suspension structure (SD) are optimized and their stability is analyzed by the subtractive averaging optimizer optimization algorithm (SABO). Parameters of the ISD frame suspension and the original frame suspension structure (SD) through the subtractive average optimizer algorithm (SABO) and analyze their stability. The results showed that the ISD tandem-parallel structure has the best effect in reducing the vibration response of the bogie, and its stability is the best under the new wheel-rail matching and the late stage after wheel reprofiling, and its linear critical speed can be increased by 215.6 km/h compared with that of the SD structure. The ISD triple-parallel structure has stability indexes that are slightly lower than that of the SD structure, and the ISD triple-tandem structure deteriorates the lateral stability of the bogie and reduces its critical speed. At the same time, its integrated root-mean-square and maximal root-mean-square are lower than that of the original frame suspension structure (SD). Its integrated root-mean-square and maximum root-mean-square are the most sensitive to speed changes, which is not conducive to improving the lateral stability of the bogie. The results of the study can provide a reference for the design of motor elastic suspensions for high-speed EMUs.

导出引用

祁亚运1, 敖鹏1, 戴焕云2, 石怀龙2, 刘华1, 贺星1, 李慷3. 高速动车组惯容器弹性架悬转向架横向稳定性研究 [J]. 振动与冲击, 2025, 44(2): 65-72

QI Yayun1, AO Peng1, DAI Huanyun2, SHI Huailong2, LIU Hua1, HE Xing1, LI Kang3. Lateral stability of the inerter elastic frame suspension bogie used in high-speed EMUs[J]. Journal of Vibration and Shock, 2025, 44(2): 65-72

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