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The main focus of this paper is on system identification of an active magnetic bearing system (AMB) using genetic algorithm (GA) for optimal controller design purpose. In the first step, an analytical model of the system is derived using principle of physics and taking into account both the rigid body and bending body modes of the system. In the next step, as AMB system is inherently open-loop unstable,...
In this paper, the structure and performance of a model based controller have been compared experimentally with that of a fuzzy logic controller (FLC) for stabilization of a MBC500 magnetic bearing system. The model based controller was designed on the basis of a reduced order model of the MBC500 magnetic bearing system. In this approach, notch filters are necessary to cancel the resonant modes of...
In this paper, a stable controller has been designed via an interpolation approach to stabilize an open-loop unstable MBC500 magnetic bearing system. An 8th-order model of the MBC500 magnetic bearing system was identified from the collected frequency response data. Since there are resonant modes that can threaten the stability of the closed-loop system, notch filters are employed to help to secure...
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