Sliding Mode Control of Active Magnetic Bearings - A Cascaded Architecture

被引：0

作者：

Papageorgiou, Dimitrios ^{[1
]}

Santos, Ilmar ^{[2
]}

机构：

[1] Tech Univ Denmark, Dept Elect & Photon Engn, Elektrovej 326, DK-2800 Lyngby, Denmark

[2] Tech Univ Denmark, Dept Civil & Mech Engn, Koppels Alle 404, DK-2800 Lyngby, Denmark

来源：

IFAC PAPERSONLINE | 2023年 / 56卷 / 02期

关键词：

Active magnetic bearings; sliding mode control; cascaded control; nonlinear input; mapping inversion;

D O I：

10.1016/j.ifacol.2023.10.1227

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Accurate and robust positioning of rotor axle is essential for efficient and safe operation of high-speed rotational machines with active magnetic bearings. This study presents a cascaded nonlinear control strategy for vertical axial positioning of an active magnetic bearing system. The proposed scheme employs two sliding mode controllers for regulating rotor vertical position and current and an adaptive estimator to invert the nonlinear input mapping. Uniform asymptotic stability is proven for the closed-loop system and the efficacy and performance of the proposed design is evaluated in simulation. Copyright (c) 2023 The Authors.

引用

页码：2480 / 2485

页数：6

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