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Balanced Levitation Control of PEMS High Speed Maglev Train Considering System Model Non-Symmetry

机译:考虑系统模型非对称性的PEMS高速磁悬浮列车的平衡悬浮控制

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PEMS (Permanent magnetic and Electro-Magnetic Suspension) high speed maglev train is proposed on the basis of normal EMS (Electro-Magnetic Suspension) high speed maglev train with permanent magnet added into the electromagnet for the purpose of reducing the levitation current. In high speed maglev train, joint structure which consists of two subsystems is the fundamental levitation unit. The advantage of this joint structure is: the two subsystems can share the burden of the load which makes the levitation current small. However, it is found in practical engineering that due to the system non-symmetry, especially the difference between two levitation gap signals, the burden of load is not equally shared which makes one of the subsystem bears almost the entire burden. Under this circumstance the over load subsystem is vulnerable to external disturbances and the other subsystem is not fully taken use of. To solve this problem, a balanced control method is proposed. Simulation results have verified the effectiveness of the balanced control method.
机译:在常规EMS(电磁悬浮)高速磁悬浮列车的基础上,提出了PEMS(永磁和电磁悬浮)高速磁悬浮列车,并在永磁体中添加了永磁体,以减小悬浮电流。在高速磁悬浮列车中,由两个子系统组成的关节结构是基本的悬浮单元。这种联合结构的优点是:两个子系统可以分担负载的负担,这使得悬浮电流较小。然而,在实际工程中发现,由于系统的不对称性,特别是两个悬浮间隙信号之间的差异,负载的负担不能平均分配,这使得子系统之一几乎承担了全部负担。在这种情况下,过载子系统很容易受到外部干扰的影响,另一个子系统无法得到充分利用。为了解决这个问题,提出了一种平衡控制方法。仿真结果证明了平衡控制方法的有效性。

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