Zero- and low-bias control designs for active magnetic bearings

@article{Tsiotras2003ZeroAL,
  title={Zero- and low-bias control designs for active magnetic bearings},
  author={Panagiotis Tsiotras and Brian Wilson},
  journal={IEEE Trans. Contr. Sys. Techn.},
  year={2003},
  volume={11},
  pages={889-904}
}
In this paper we present several nonlinear control designs for a single one-degree-of-freedom (1-DOF) Active Magnetic Bearing (AMB). The primary control objective is to globally asymptotically stabilize the mechanical states of an AMB while reducing the AMB power losses. This suggests operation with zero or low bias flux. We derive a flux-based model for an AMB using a generalized complementary flux condition. This condition is imposed both for zero and low bias operations. A convenient model… CONTINUE READING
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