System Identification and High Performance Controllers of Active Magnetic Bearing Systems

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Noshadi, Amin (2015) System Identification and High Performance Controllers of Active Magnetic Bearing Systems. PhD thesis, Victoria University.

Abstract

In recent years, active magnetic bearing systems (AMBs) have attracted the attention of researchers as suitable replacements for conventional mechanical and hydrostatic bearings. The absence of mechanical frictions, high-precision and low maintenance costs have all made AMBs suitable technologies for high-speed and high-precision applications. However, along with the numerous advantages, several challenges have hindered the widespread applications of these systems. AMBs are inherently open-loop unstable and hence feedback controllers are essential for stabilisation of AMB equipped systems. The multiple-input multiple-output nature of AMBs and the presence of high-frequency resonant modes further exacerbate the problem of modelling and control design of such systems.

Item type Thesis (PhD thesis)
URI https://vuir.vu.edu.au/id/eprint/31831
Subjects Current > FOR Classification > 0906 Electrical and Electronic Engineering
Current > Division/Research > College of Science and Engineering
Keywords robust controllers, optimal controllers, rotors, SISO, MIMO, fuzzy logic control, disturbance observer-based control, repetitive disturbance observer-based controllers, RDOBC, two-step controller design
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