The dynamic equations of one bogie of the low-speed maglev train were built,which involved four de-centralized closed-loop controls for magnetic levitation.Simulation results indicate as follows:In the bogie,the four controlled points can decoupled in low frequencies and coupled in high frequencies;coupling is caused by several modes of resonance of the bogie and the frequency ranges and coupling amplitudes are related to control parameters and structural parameters of the bogie.%建立包含4个独立的悬浮闭环控制的低速磁浮列车单悬浮架动力学模型，仿真分析悬浮架的耦合效应。结果表明，悬浮架在低频段具有较好的解耦性能，但在稍高的某频段内则具有显著的耦合作用。耦合作用是由于悬浮架的几种共振模式引起的，其频段和耦合幅值与控制参数和结构参数有关。
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