A study on the controller design for EMS system using disturbance observer

被引：0
|
作者：
Dept. of Electrical Engineering, Soongsil Univerity, Korea, Republic of [1 ]
机构：
[1] Dept. of Electrical Engineering, Soongsil Univerity
来源：
Jo, N.-H. (professor.jo@gmail.com) | 1600年 / Korean Institute of Electrical Engineers卷 / 62期
关键词：
Disturbance attenuation; Disturbance observer; EMS system; Mass uncertainty; Q filter;
D O I：
10.5370/KIEE.2013.62.9.1264
中图分类号：
学科分类号：
摘要：
In this paper, we study a disturbance observer (DOB) based controller for an EMS (Electro-Magnetic Suspension) system in presence of mass uncertainty and input disturbance. The DOB based controller is employed in order to compensate the modeling uncertainty and attenuate disturbance signals. For the design of DOB based controller, the Jacobain linearization of nonlinear system model equation is used. Computer simulation is carried out for nonlinear model in order to compare the performance of the proposed DOB controller with that of the conventional PID controller. The simulation results show that the substantial improvement in the performance can be achieved by the proposed DOB controller.
引用
收藏
页码：1264 / 1269
页数：5
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