Michael D. Bryant

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An existing bond graph of a squirrel cage induction motor was modified to make the bond graph physically more representative. The intent was to form a one-to-one correspondence between motor components and bond graph elements. Components explicitly represented include the stator coils, the squirrel cage rotor bars, and the magnetic flux routing section. The(More)
A micro corona motor was fabricated and tested. Intense electric fields at sharp stator electrodes ionize air molecules, and ionized charges are transferred onto the rotor surface. Coulomb repulsion between rotor and electrodes rotates and levitates the rotor. Important design parameters, such as electrode spacing, air gap, and electrode-tilt angle, were(More)
Lumped parameter models can not sufficiently describe dynamics of many distributed systems, such as a continuous rotating shaft with bending. The finite element method is employed to embed distributed dynamics of rotating shafts with bending into constitutive laws of bond graphs resulting a finite element bond graph model. Defining the nodal displacements,(More)
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