This study proposes a motor design and presentation method for presenting virtual force sensation in the three-dimensional direction. Various grasping methods and device performances need to be considered in order to present virtual force perception in three-dimensional directions. However, commercially available motors do not allow changing parameters such as the surface magnetic flux density of the magnets inside and the number of turns of the coils, and the shape of the motor affects the design of the device. Therefore, we created motors with the same amplitude and shape for each device. By grasping that motor with the side of the fingertip, the directional presentation of virtual force sensation in the vertical direction was possible, showing its potential for 3D directional presentation.
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