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Delta Operator Modelling and Control of Electromagnetic Levitation System

机译:电磁悬浮系统的Delta算子建模与控制

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摘要

The dynamic model develop from physical relationship of an Electro Magnetic Levitation System (EMLS) is considered in this study to propose a unified framework for controller design. The EMLS is discretised using delta operator. The delta operator representation is implicitly discrete-time formulation which converges to its continuous-time counterparts at high sapling frequency. The EMLS is inherently unstable and strongly non-linear in nature which is linearised and different classical control scheme such as PD, Lead, Lag-lead, PID and combination of PI and Lead compensators are designed to meet the requirement of the overall controlled system stability and performance. The simulation results exhibit the usefulness of the proposed schemes.
机译:本研究考虑了从电磁悬浮系统(EMLS)的物理关系建立的动力学模型,从而为控制器设计提出了一个统一的框架。使用delta运算符离散化EMLS。增量算子表示形式是隐式离散时间公式,在高树苗频率下会收敛到其连续时间副本。 EMLS本质上是固有的不稳定和强烈非线性,已线性化,并且设计了不同的经典控制方案,例如PD,超前,滞后超前,PID以及PI和超前补偿器的组合,以满足整体受控系统稳定性的要求和性能。仿真结果表明了所提方案的有效性。

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