A nonlinear control method for the electromagnetic suspension system of the maglev train

被引：0

作者：

Xu, Junqi ^{[1
]}

Zhou, Yuan ^{[1
]}

机构：

[1] Shanghai Maglev Transportat Engn R&D Ctr, Shanghai 201204, Peoples R China

来源：

JOURNAL OF MODERN TRANSPORTATION | 2011年 / 19卷 / 03期

关键词：

nonlinear control; electromagnetic suspension (EMS); maglev train; DSP;

D O I：

10.1007/BF03325756

中图分类号：

U [交通运输];

学科分类号：

08 ; 0823 ;

摘要：

To deal with the inherent nonlinearity and open-loop instability of the electromagnetic suspension (EMS) system, a new nonlinear control method is proposed. The simulation results show that, for a PID controller, the overshoot of the system response to an airgap step disturbance is about 3 mm, and the transient time is 6 s; however, for the proposed nonlinear controller, there is no overshoot and transient time within 2 s. The proposed method has a faster response and stronger robustness. With a designed bi-DSP suspension controller, this nonlinear control method was implemented on the Shanghai Urban Maglev Test Line (SUMTL) to validate its effectiveness and feasibility.

引用

页码：176 / 180

页数：5

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