Path: SC/MagneticControl
% Right hand side for a dynamical model of magnetic hysteresis.
Unlike Flatley we use a tanh function. Tellinen gives the slope
fractions for the increasing and decreasing curves.
Type MagneticHysteresis for a demo
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Form:
bDot = MagneticHysteresis( b, t, h, hDot, d )
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Inputs
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b (1,1) Magnetic flux density (T)
t (1,1) Time - unused
h (1,1) Magnetic field (A/m)
hDot (1,1) Magnetic field time derivative (A/m/s)
d (1,1) Data structure
.bS (1,1) Saturation flux density (T)
.hC (1,1) Coercive force (A/m)
.bR (1,1) Remnance (T)
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Outputs
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bDot (1,1) Derivative of the flux density.
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Reference: Flatley, T. W. and Henretty, D. A., "A Magnetic Hysteresis
Model," N95-27081.
Kumar R., Mazanek, D. and Heck, M., "Simulation and Shuttle
Hitchhiker Validation of Passive Satellite
Aerostabilization," Journal of Spacecraft and
Rockets, Vol. 32, No. 5, September-October 1995.
J. Tellinen, "A Simple Scalar Model for Magnetic
Hysteresis", IEEE Transactions on Magnetics, vol. 24, no. 4,
pp.2200-2206, July 1998.
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SC: MagneticControl/BFromHHysteresis Common: CommonData/SwooshWatermark Common: General/CellToMat Common: General/MatToCell Common: General/Watermark Common: Graphics/NewFig Common: Graphics/Plot2D Common: Graphics/PltStyle Common: Graphics/TimeLabl Math: Integration/RK4
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