高速列车车下惯容悬吊设备动态特性研究

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摘要高速列车采用轻量化设计准则与动力分散式牵引方式，轻量化设计导致车体弹性振动加剧，动力分散式牵引方式将悬吊设备安装在车体下方，引起车体和设备的耦合振动。将惯容器运用于高速列车车下悬吊设备，设计新型悬吊设备减振系统，建立高速列车车体及车下惯容悬吊设备刚柔耦合垂向动力学模型，采用遗传算法优化惯容悬吊设备结构参数，通过虚拟激励法和平稳性快速算法求得系统的动力学响应，采用Sperling平稳性指标评价系统的动态性能，并与传统悬吊设备进行对比分析。研究表明相较传统悬吊设备，惯容悬吊设备能够有效抑制高速列车车身振动，提升系统动力学性能。

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	王勇1
	李昊轩1
	姜文安2
	汪若尘1
	李勇1

关键词 ：高速列车, 惯容器, 悬吊设备, 参数优化, 动态特性

Abstract：The lightweight design criterion and power decentralized traction were used in high speed train, the lightweight design led to increased elastic vibration of the car body and the power decentralized traction installed suspended equipment under the car body, which caused the coupled vibration between the car body and equipment. The inerter was applied in a underframe suspended equipment for high speed train, a novel suspended equipment vibration suppression system was designed, the rigid-flexible coupling vertical dynamic model of the car body and underframe inerter-based suspended equipment was established. The structural parameters of the underframe inerter-based suspended equipment were optimized using the genetic algorithm, the dynamic response of the system was obtained using the virtual excitation method and fast stability algorithm, the dynamic characteristics of the system was evaluated by the Sperling index and compared with the counterpart of the traditional suspended equipment. The results showed that compared with traditional suspended equipment, the inerter-based suspended equipment could effectively suppress the vibration of the car body and improve the dynamic performance.

Key words： high speed train inerter suspended equipment parameter optimization dynamic characteristics

收稿日期: 2020-08-07 出版日期: 2022-01-28

引用本文:

王勇1，李昊轩1，姜文安2，汪若尘1，李勇1. 高速列车车下惯容悬吊设备动态特性研究[J]. 振动与冲击, 2022, 41(2): 246-254.
WANG Yong1, LI Haoxuan1, JIANG Wen’an2, WANG Ruochen1, LI Yong1. Dynamic characteristics of an underframe inerter-based suspended equipment for high speed trains. JOURNAL OF VIBRATION AND SHOCK, 2022, 41(2): 246-254.

链接本文:

http://jvs.sjtu.edu.cn/CN/ 或 http://jvs.sjtu.edu.cn/CN/Y2022/V41/I2/246

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