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# Re: [femm] Jiles-Atherton Model Parameters for Alnico5

- To: <femm@yahoogroups.com>
- Subject: Re: [femm] Jiles-Atherton Model Parameters for Alnico5
- From: "Robert Macy" <macy@california.com>
- Date: Sat, 1 Mar 2003 16:33:10 -0800
- Organization: AJM Electronics
- References: <b3r94i+5cp1@eGroups.com>
- Reply-to: "Robert Macy" <macy@california.com>

    Any input? Don't have experience with alnico.

    However......

    PSpice uses Jiles-Atherton modeling. Tried to do some circuit simulations
    using "square" hysteresis core materials with results which never came close
    to measured values. Off by more than magnitudes. Could never get *any*
    coefficients into the jiles-atherton model to work. Finally had to make my
    own.

    In other words, be very careful of your model. Make certain your modeling
    follows the real world.

    - Robert -

    ----- Original Message -----
    From: mailto:l_dennys2000 <l_dennys2000@yahoo.com
    To: femm@yahoogroups.com
    Sent: Saturday, March 01, 2003 1:36 PM
    Subject: [femm] Jiles-Atherton Model Parameters for Alnico5

    Hi:

    I am working on a device based on permanent magnets, in specific I am
    using an arrangament of Alnico5 PM's. To properly model the
    hysteresis behavior of any PM is necessary to use an analytical
    magnetic hysteresis model. Well, I have chose the Jiles-Atherton
    model; and, I am wondering if somebody from this list have already
    identified the parameters associated with the Jiles-Atherton for
    Alnico5.

    Any input would be very helpful.

    Dennys

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- References:
  - Jiles-Atherton Model Parameters for Alnico5
    - From: "l_dennys2000 <l_dennys2000@yahoo.com>" <l_dennys2000@yahoo.com>

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