Hysteresis Loop in MATLAB

  1. Jun 20, 2013 #1
    Hi there,

    Would anyone help me in simulating hysteresis loop in MATLAB?

    Thank You!
     
  2. jcsd
  3. Jun 20, 2013 #2

    rbj

    User Avatar

    like a transformer hysteresis loop? without the hysteresis, what does the curve look like?
     
  4. Jun 22, 2013 #3
    I meant the hysteresis loop of a ferromagnetic substance
     
  5. Jul 30, 2013 #4
    You can use Langevin function to describe a hysteresis loop. Exact form of Langervin function you can find out in many textbooks on magnetism.

    [itex]M(H)=M_s.[\cosh(c(H+\alpha M))-\dfrac{1}{c(H+αM)}][/itex]

    or use this

    [itex]M(H)=M_s.\tanh(c(H+\alpha M))[/itex]

    For the code, It is extremely easy, in ten lines, so try it.
     
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