IMC based PID Control of a Magnetic Levitation System

被引:13
|
作者
Duka, Adrian-Vasile [1 ]
Dulau, Mircea [1 ]
Oltean, Stelian-Emilian [1 ]
机构
[1] Petru Maior Univ Tg Mures, 1 N Iorga St, Targu Mures 540088, Romania
关键词
magnetic levitation; Internal Model Control; PID control; MODEL;
D O I
10.1016/j.protcy.2016.01.125
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Attraction type magnetic levitation devices are nonlinear and unstable systems with fast dynamics. If a model of such a system can be produced, it could be used in the design process of a stabilizing controller. Internal Model Control (IMC) provides a strategy that explicitly uses an existing model of the controlled process for developing a suitable controller. In this paper, a linear model that represents the nonlinear dynamics of the magnetic levitation system is first derived. Then, this model is used in the design procedure of an IMC-based PID controller, which is used for achieving stable levitation of a ferromagnetic object at predetermined distances with the help of the magnetic field produced by a coil. The results are shown by means of digital simulation, based on Simulink. (C) 2016 The Authors. Published by Elsevier Ltd.
引用
收藏
页码:592 / 599
页数:8
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