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Actuators 2018, 7(2), 30; https://doi.org/10.3390/act7020030

A V-Shaped Actuator Utilizing Electrostatic Force

1
Center for Intelligent & Interactive Robotics, Korea Institute of Science and Technology, Hwarangro 14gil 5, Seongbuk-gu, Seoul 02792, Korea
2
Department of Electrical Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Korea
*
Author to whom correspondence should be addressed.
Received: 29 May 2018 / Revised: 8 June 2018 / Accepted: 12 June 2018 / Published: 18 June 2018
(This article belongs to the Special Issue Modeling Smart Actuators and Their Applications)
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Abstract

In this study, we propose a new ‘V’-shaped actuator with two panels and experimentally and theoretically investigate its actuation to find the most efficient structure. The V-shaped actuator operates like a seesaw. Specifically, when a high voltage input is applied between the V-shaped actuator and metal plate at the bottom substrate, another panel rises due to electrostatic attraction. Both gravity and electrostatic attraction forces are utilized for the operation of the actuator. We made a model of the actuation mechanism considering torque, gravity, and electrostatic forces. Theoretical values were compared with experimental results considering all factors of force applied to actuators. Additionally, we added torque by restoring force to compensate for the experimental conditions. The theoretical value almost coincided with the experimental value with R2 = 0.9. View Full-Text
Keywords: actuator; V-shaped; seesaw type; electrostatic force actuator; V-shaped; seesaw type; electrostatic force
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Song, K.; Lee, H.; Cha, Y. A V-Shaped Actuator Utilizing Electrostatic Force. Actuators 2018, 7, 30.

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