Systems and methods for FRC plasma position stability
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United States of America
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Jan 4, 2022
Grant Date -
May 9, 2019
app pub date -
May 10, 2018
filing date -
May 10, 2018
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Abstract
Systems and methods are provided that facilitate stability of an FRC plasma in both radial and axial directions and axial position control of an FRC plasma along the symmetry axis of an FRC plasma chamber. The systems and methods exploit an axially unstable equilibria of the FRC plasma to enforce radial stability, while stabilizing or controlling the axial instability. The systems and methods provide feedback control of the FRC plasma axial position independent of the stability properties of the plasma equilibrium by acting on the voltages applied to a set of external coils concentric with the plasma and using a non-linear control technique.
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