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针对中低速磁悬浮列车中永磁与电磁混合悬浮磁铁存在的吸死问题,研究了一种基于不等宽结构的混合悬浮装置。分析该装置中U型铁、F型轨及两者间气隙的电磁关系,建立基于不等宽结构悬浮装置的模型。以株洲中低速磁浮商业试验线列车为基础,使用ANSOFT软件进行仿真,对该悬浮装置进行了设计及验证。仿真结果表明:在改进的不等宽混合悬浮装置中,无论气隙间距大小如何,该不等宽结构中的悬浮力始终与重力保持平衡,可实现列车悬浮的“0功率”控制。
In view of the problem of the aspiration of permanent magnet and electromagnetic hybrid suspension magnet in medium and low speed maglev train, a hybrid suspension device based on unequal width structure is studied. The electromagnetic relationship between the U-shaped iron and the F-shaped rail and the air gap between them is analyzed, and a model based on the suspension device with unequal width is established. Based on Zhuzhou low-speed maglev commercial test line train, using ANSOFT software to simulate the suspension device was designed and verified. The simulation results show that the levitation force in the unequal width structure is always balanced with the gravity in the improved unequal-width hybrid suspension device, which can realize the “zero power” control of train levitation.