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When the claw-poled stepping motor is rotated at high speed, the torque remarkably deteriorates because of the eddy current generating in the stator core. In this paper, the influence of the stator core materials on the dynamic characteristics of a claw-poled stepping motor is evaluated using the 3-D finite element method. The validity of the calculated results is clarified through the comparison...
A novel 2-D magnetic resonant actuator is presented, and the influences of frequency and phase of the input voltage waveform on the trajectory of the armature are computed using the three-dimensional finite element method.
This paper presents a dynamic analysis method of a novel spherical resonant actuator using the three-dimensional finite element method (3-D FEM). In this method, the magnetic field equation is coupled with the electric circuit equation and the motion equation, and the mesh modification method using the Laplace equation is applied to the rotation of a spherical actuator.
This paper presents a coupled analysis method for a linear oscillatory actuator that can convert the rotation into linear motion using DC motor and magnetic conversion mechanism. In this method, motion equations of motor rotation and linear motion are simultaneously solved employing the 3-D finite element method. The usefulness of the method is verified to confirm the mutual influences of motion on...
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