高速列车H∞控制可变刚度悬挂系统应用研究

doi:10.3901/JME.2022.08.204

机械工程学报 ›› 2022, Vol. 58 ›› Issue (8): 204-214.doi: 10.3901/JME.2022.08.204

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高速列车H∞控制可变刚度悬挂系统应用研究

金天贺^1,2, 张志¹, 刘志明², 孙帅帅³, 尹丽云⁴

1. 北京航天测控技术有限公司北京 100041;
2. 北京交通大学机械与电子控制工程学院北京 100044;
3. 中国科学技术大学工程科学学院合肥 230026;
4. 中国航天科工集团二院七〇六所北京 100039

收稿日期:2021-05-06 修回日期:2021-07-05 出版日期:2022-04-20 发布日期:2022-06-13
作者简介:金天贺,男,1992年出生,博士。主要研究方向为磁流变减振、机电液系统先进控制、智能测控与故障诊断。E-mail:16116364@bjtu.edu.cn
基金资助:
国家自然科学基金资助项目(11790281,52005474)。

Application Research on H∞ Controlled Variable Stiffness Suspension System of High-speed Train

JIN Tianhe^1,2, ZHANG Zhi¹, LIU Zhiming², SUN Shuaishuai³, YIN Liyun⁴

1. Beijing Aerospace Measurement & Control Technology Co. Ltd., Beijing 100041;
2. School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University, Beijing 100044;
3. School of Engineering Science, University of Science and Technology of China, Hefei 230026;
4. Institute 706, The Second Academy of CASIC, Beijing 100039

Received:2021-05-06 Revised:2021-07-05 Online:2022-04-20 Published:2022-06-13

摘要/Abstract

摘要： 针对高速列车在提减速、通过道岔、轮轨磨耗和进出站等工况中遇到的横向共振问题，提出了可抑制列车共振的H∞控制可变刚度悬挂系统，旨在更好地抑制车辆横向振动，提高其乘坐舒适性和运行稳定性。设计出两个结构紧凑式便于安装于车辆悬挂系统中的可变刚度磁流变减振器，并通过MTS试验机对其性能进行了测试；设计一个轨道车辆1/8比例模型及其可控刚度悬挂系统，并搭建一个高速列车振动测试平台；基于H∞控制算法设计了可抑制列车车体横向共振的控制策略；进行被动悬挂和可控刚度悬挂试验测试，并进行了对比分析。结果表明，所设计的磁流变减振器具有优异的刚度可控性能，刚度变化范围达到2.84倍；所设计的H∞控制可变刚度悬挂不仅可以有效地抑制车体横向共振，且与被动悬挂相比，谐波激励的车体加速度降低了52.8%，随机激励的车辆减振性能和乘坐舒适性分别提高了21.1%和27.6%，乘坐舒适性水平从C级提高到B级。

关键词: 高速列车, 智能悬挂, 磁流变, 可变刚度, 共振

Abstract: Aiming at the lateral resonance problems encountered by high-speed trains in working conditions such as acceleration and deceleration, passing through switches, wheel/rail wear, and entering and exiting stations, a variable stiffness suspension system based on H∞ control strategy that can suppress the train resonance was proposed, aiming to better suppress the vehicle vibrates laterally and improves its ride comfort and running stability. First of all, two compact magneto-rheological shock absorbers with variable stiffness, which are easy to be installed in the vehicle suspension system, were designed, and their performance was tested by MTS testing machine. Then, a 1/8 scale model of a rail vehicle and its controllable stiffness suspension system were designed, and a vibration test platform for high-speed trains was built. Subsequently, based on the H∞ control algorithm, a control strategy that can suppress the lateral resonance of the train body was designed. Finally, the experimental tests of passive suspension and controllable stiffness suspension systems were carried out, and the results were compared and analyzed. The results show that the designed magnetorheological shock absorber has excellent stiffness controllable performance, and the stiffness variation range reaches 2.84 times. The designed variable stiffness suspension based on the H∞ control strategy can not only effectively suppress the lateral resonance of the train body, but also reduce the acceleration of the train body under harmonic excitation by 52.8% compared with the passive suspension. Compared with passive suspension, the vibration damping performance and ride comfort of the train under random excitation have increased by 21.1% and 27.6%, respectively, and the ride comfort level has been improved from C-level to B-level.

Key words: high-speed train, intelligent suspension, magnetorheological, variable stiffness, resonance

中图分类号:

U270

金天贺, 张志, 刘志明, 孙帅帅, 尹丽云. 高速列车H∞控制可变刚度悬挂系统应用研究[J]. 机械工程学报, 2022, 58(8): 204-214.

JIN Tianhe, ZHANG Zhi, LIU Zhiming, SUN Shuaishuai, YIN Liyun. Application Research on H∞ Controlled Variable Stiffness Suspension System of High-speed Train[J]. Journal of Mechanical Engineering, 2022, 58(8): 204-214.

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高速列车H∞控制可变刚度悬挂系统应用研究

Application Research on H∞ Controlled Variable Stiffness Suspension System of High-speed Train

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