超导电动磁悬浮列车次级悬挂混合阻尼半主动减振控制研究

doi:10.3901/JME.2023.10.236

摘要/Abstract

摘要： 超导电动磁悬浮列车是下一代高速轨道交通的主要发展方向之一,而动力学问题是影响其应用性能的一个重要方面。为了提高超导电动磁悬浮列车的运行安全性和乘坐舒适性,提出基于天棚-地棚混合阻尼的超导电动磁悬浮列车半主动减振控制方法。基于动态电路理论计算了磁轨间的电磁力,利用SIMPACK和Simulink平台进行电磁力计算、动力学和控制方法的联合仿真,确定控制方法的最优最大阻尼系数和比例系数,对比分析被动悬挂与混合阻尼半主动悬挂的车体和悬浮架的振动控制效果。研究结果表明,被动悬挂下,超导电动磁悬浮列车的横向动力学性能劣于垂向;垂向混合阻尼比例系数为1时,铰接式悬浮架和非铰接悬浮架的横向混合阻尼比例系数分别为1和0.4时减振效果最佳。相比于被动悬挂,混合阻尼半主动悬挂下头车垂向和横向Sperling平稳性指标分别降低了20.9%和8.8%,横向平稳性等级由良好升为优级;中间车垂向和横向平稳性指标分别降低了7.4%和17.3%。铰接式悬浮架和非铰接悬浮架的横向加速度方均根值分别降低了12.5%和15.9%。从频域上看,车体和悬浮架小于5 Hz的低频振动得到有效抑制。以上研究结果验证了混合阻尼半主动控制能有效提高超导电动磁悬浮列车的运行安全性和乘坐舒适性。

关键词: 超导电动磁悬浮, 动力学建模, 半主动控制, 动态电路, 联合仿真

Abstract: Superconducting electrodynamic suspension(EDS) train is one of the main development directions of high-speed rail transit in next generation, and the dynamic problem is an important aspect affecting its application performance. In order to improve the running safety and ride comfort of superconducting EDS train, a semi-active control method for superconducting EDS train with hybrid damping of skyhook and groundhook is proposed. Based on the dynamic circuit theory, the vehicle-guideway electromagnetic force is calculated, and the Simulink and SIMPACK platform are used to co-simulate the electromagnetic force calculation, electromagnetic force calculation and control method. The optimal maximum damping coefficient and proportional coefficient of the control method are determined, and the vibration control effects of the carbody and bogie with passive suspension and hybrid damping semi-active suspension are compared and analyzed. The results show that the lateral dynamic performance of the superconducting EDS train is worse than that of the vertical one; When the vertical proportional coefficient is 1, the best vibration reduction effect can be obtained when the lateral hybrid damping proportion coefficient of articulated bogie and non-articulated bogie is 1 and 0.4 respectively. Compared with the passive suspension, the vertical and lateral Sperling ride quality indexes of the head car under the hybrid damping semi-active control are reduced by 20.9% and 8.8% respectively, and the lateral ride quality level is upgraded from good to excellent. The vertical and lateral ride quality indexes of the intermediate car are reduced by 7.4% and 17.3% respectively, and the root mean square (RMS) of lateral acceleration of the articulated bogie and the non-articulated bogie are reduced by 12.5% and 15.9% respectively. In frequency domain, the low frequency vibration of carbody and bogie less than 5 Hz is effectively suppressed. The above research results verify that the hybrid damping semi-active control can effectively improve the running safety and ride comfort of the superconducting EDS train.

Key words: superconducting electrodynamic suspension, dynamics model, semi-active control, dynamic circuit, Co-simulation

中图分类号:

U237

马光同, 曾靖淞, 冯丕极, 闫兆盈, 张伟海. 超导电动磁悬浮列车次级悬挂混合阻尼半主动减振控制研究[J]. 机械工程学报, 2023, 59(10): 236-249.

MA Guangtong, ZENG Jingsong, FENG Piji, YAN Zhaoying, ZHANG Weihai. Study on the Hybrid Damping Semi-active Control of Secondary Suspension of Superconducting Electrodynamic Suspension Train[J]. Journal of Mechanical Engineering, 2023, 59(10): 236-249.

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