Haptic actuator based on nutation structure using squeeze mode of magneto-rheological fluid
AssigneeKorea University of Technology and Education Industry-University Cooperation Foundation
InventorsYong Hae Heo, Hyun-U Ko, Seok-Han Lee, Seang Ho Kim, Sang-Youn Kim
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Abstract
The present invention relates to a haptic actuator based on a nutation structure using a squeeze mode of a magneto-rheological fluid, which compresses a magneto-rheological fluid (MR fluid) by using a rotary body capable of performing a rotary motion based on a nutation structure, thereby generating a sustainable rotational resistance force by using a squeeze mode and a flow mode of the MR fluid.
Claims10
A haptic actuator based on a nutation structure using a squeeze mode of a magneto-rheological fluid, the haptic actuator comprising:
- an actuator housing 110 having an interior filled with a magneto-rheological fluid (MR fluid);
- a rotary body 120 configured to compress the MR fluid by rotating in the actuator housing 110;
- and
- a coil 130 provided on an inner surface of the actuator housing 110 and configured to generate a magnetic field by applied electric current,
- wherein a rotational resistance force is generated in the MR fluid as the rotary body 120 rotates and compresses the MR fluid activated by the magnetic field generated by the coil 130.
Dependencies are inferred from the claim text.