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1. Influence of the drive and dc link generated disturbances on an AMB control system

Author

Jastrzebski, Rafal P., Hynynen, Katja, Alexey Smirnov, and Pyrhonen, Olli

Subjects
Active magnetic bearings, Rotating machines, Magnetic levitation, Drive train
Abstract

The work focuses on experimental and theoretical examination of the influence of the distortion signals generated by the inverter and the active magnetic bearing (AMB) dc link voltage on an AMB control system. These low-frequency disturbances may result in performance degradation or lead to an unstable system. The analysis and measurements are performed on an AMB system controlled by an H ∞ controller. The studied signals include positions and currents in 5DOF, AMB dc link voltage, drive currents, and acceleration of the stator frame.

Published
2012

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