Adaptive Current-Loop Design for an ElectroMagnetic Suspension System
In this paper, the performance of the traditional linear current-loop strategy of a single-point Electromagnetic suspension system is analyzed and its disadvantages in application is pointed out It is concluded that the time constant of the resultant voltage-current subsystem varies as the changes of the suspension states, which will destroy the condition of implementing model reduction by the method of current-loop and bad performance of the suspension system occurs in return. To guarantee the performance of the current-loop strategy, an adaptive current-loop is designed, the parameters of which can be adjusted automatically according to the suspension states of the system. Experimental results verify disadvantages of traditional current-loop strategy. And simulation is conducted to evaluate the performance of the proposed adaptive current-loop algorithm, the results of which illustrate that consistent performance can be obtained under different conditions of the suspension states, and it has better robustness compared with the traditional current-loop strategy.
adaptive control current-loop EMS maglev train
Xiao Zhang Hengkun Liu Yungang Li
Research center of Maglev National University of Defense Technology Changsha, Hunan, China
国际会议
深圳
英文
341-344
2011-03-28（万方平台首次上网日期，不代表论文的发表时间）