两种中低速磁浮车辆动力学性能仿真对比分析

doi:10.3901/JME.2023.10.311

机械工程学报 ›› 2023, Vol. 59 ›› Issue (10): 311-322.doi: 10.3901/JME.2023.10.311

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两种中低速磁浮车辆动力学性能仿真对比分析

胡帛茹¹, 赵春发¹, 蔡文锋², 龚俊虎³, 冯洋¹

1. 西南交通大学牵引动力国家重点实验室成都 610031;
2. 中铁二院工程集团有限责任公司成都 610031;
3. 中铁磁浮交通投资建设有限公司武汉 430060

收稿日期:2022-10-31 修回日期:2023-02-16 出版日期:2023-05-20 发布日期:2023-07-19
通讯作者: 冯洋(通信作者),男,1991年出生,博士研究生。主要研究方向为磁浮交通车桥耦合动力学。E-mail:fyswjtu@outlook.com E-mail:fyswjtu@outlook.com
作者简介:胡帛茹,女,1996年出生。主要研究方向为磁浮车辆动力学。E-mail:h17844552577@163.com;赵春发,男,1973年出生,博士,研究员,博士研究生导师。主要研究方向为磁浮交通车轨桥系统动力学和铁路轨道动力学。E-mail:cfzhao@swjtu.edu.cn
基金资助:
中铁二院工程集团科技发展计划(KYY2017053(17-20))、中国铁建股份有限公司科技重大专项(2018-A01)和湖南磁浮技术研究中心委托课题资助项目。

Numerical Simulation and Comparative Analysis on Dynamic Performances of Two Types of Medium-low Speed Maglev Vehicles

HU Boru¹, ZHAO Chunfa¹, CAI Wenfeng², GONG Junhu³, FENG Yang¹

1. State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu 610031;
2. China Railway Eryuan Engineering Group Co., Ltd., Chengdu 610031;
3. China Railway Maglev Transportation Investment Construction Co., Ltd., Wuhan 430060

Received:2022-10-31 Revised:2023-02-16 Online:2023-05-20 Published:2023-07-19

摘要/Abstract

摘要： 针对采用空簧端置式悬浮架的传统中低速磁浮车辆和采用空簧中置式悬浮架的新型中低速磁浮车辆,建立考虑主动悬浮控制的车辆动力学模型,仿真分析两种磁浮车辆直线运行和平面曲线通过时的动力学响应。结果表明,新型磁浮车辆直线运行的动力学性能优于传统磁浮车辆,在时速160 km以内新型磁浮车辆的运行平稳性均为优秀;速度大于120 km/h以后,传统磁浮车辆直线运行的动力学性能明显恶化,横向平稳性达不到优秀级。通过半径300 m及以上平面曲线时,两种磁浮车辆的动力学响应差别不大;在半径50 m无超高平面曲线上,传统磁浮车辆发生了磁轨横向机械碰撞,而新型磁浮车辆可无接触通过;在半径100 m有超高平面曲线上,新型磁浮车辆的动力学性能劣于传统磁浮车辆,主要表现为缓和曲线段悬浮间隙波动和电磁铁横移量更大,磁轨间发生横向碰撞的风险较大。

关键词: 磁浮车辆, 悬浮架, 反馈控制, 多体动力学, 运行平稳性, 曲线通过

Abstract: Aiming at the traditional medium-low speed maglev vehicle with end-set air spring suspension frame and a new-type medium-low speed maglev vehicle with mid-set air spring suspension frame, dynamic models of maglev vehicles are established considering active suspension control. Then, dynamic responses of two types of maglev vehicles running on straight tracks and curve tracks are simulated. Numerical results show that dynamic performances of the new-type maglev vehicle on straight tracks are better than that of traditional maglev vehicle, and its ride quality is always excellent when the running speed is less than 160 km/h; dynamic performances of traditional maglev vehicle deteriorated significantly as the speed is greater than 120 km/h, and the lateral ride quality cannot reach the excellent level. When two types of maglev vehicles pass through the plane curve tracks with a radius of 300 m or greater, there is little difference in dynamic response between two maglev vehicles. The lateral magnet/rail mechanical collision happened to the traditional maglev vehicle on the plane curve with a radius of 50 m and without superelevation, while the new-type maglev vehicle can pass through without collision. Dynamic performances of the new-type maglev vehicle is inferior to that of the traditional maglev vehicle on a plane curve with a radius of 100 m and with superelevation, which appears larger levitation gap fluctuation and lateral electromagnet displacement on the transition curve, and the risk of magnet/rail mechanical collision is greater.

Key words: maglev vehicle, suspension frame, feedback control, multibody dynamics, ride quality, curve negotiation

中图分类号:

U237

胡帛茹, 赵春发, 蔡文锋, 龚俊虎, 冯洋. 两种中低速磁浮车辆动力学性能仿真对比分析[J]. 机械工程学报, 2023, 59(10): 311-322.

HU Boru, ZHAO Chunfa, CAI Wenfeng, GONG Junhu, FENG Yang. Numerical Simulation and Comparative Analysis on Dynamic Performances of Two Types of Medium-low Speed Maglev Vehicles[J]. Journal of Mechanical Engineering, 2023, 59(10): 311-322.

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两种中低速磁浮车辆动力学性能仿真对比分析

Numerical Simulation and Comparative Analysis on Dynamic Performances of Two Types of Medium-low Speed Maglev Vehicles

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