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Elastic-rigid dynamic modeling of the maglev vehicle exhibited at CSTM and natural-frequencies analyzing for its bogie
Author(s): 
Pages: 626-629
Year: Issue:  6
Journal: Journal of Vibration Engineering

Keyword:  动力学固有频率磁悬浮列车转向架;
Abstract: 以中国科技馆载人磁浮车演示车为原型,将其转向架视为刚、柔体组合,基于多体动力学整车分析,建立了11个自由度的刚-弹性车辆动力分析模型,解算了转向架的固有频率,探讨了影响转向架固有频率特性的主要参数.结果表明:转向架的扭转频率与悬挂弹簧刚度为叠加关系,扭转刚度几乎不受弹簧刚度影响;转向架相对于其它广义坐标的固有频率受悬挂弹簧刚度的影响较大;除扭转外,转向架的其它运动均有动力学耦合.
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