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Appl. Sci. 2015, 5(3), 595-607; doi:10.3390/app5030595

Design of a Solenoid Actuator with a Magnetic Plunger for Miniaturized Segment Robots

Department of Mechanical Engineering, Sogang University, 1 Shinsu-dong, Mapo-gu, Seoul 121-742, Korea
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Author to whom correspondence should be addressed.
Academic Editor: Chien-Hung Liu
Received: 28 July 2015 / Revised: 5 September 2015 / Accepted: 11 September 2015 / Published: 18 September 2015
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Abstract

We develop a solenoid actuator with a ferromagnetic plunger to generate both rectilinear and turning motions of a multi-segmented robot. Each segment of the miniaturized robot is actuated by a pair of solenoids, and in-phase and out-of-phase actuations of the solenoid pair cause the linear and turning motions. The theoretical analysis on the actuation force by the solenoid with the magnetic plunger is implemented based on the Biot-Savart law. The optimal design parameters of the solenoid are determined to actuate a segmented body. We manufacture the miniaturized robot consisting of two segments and a pair of solenoids. Experiments are performed to measure the linear and angular displacements of the two-segmented robot for various frictional conditions. View Full-Text
Keywords: solenoid; electromagnetic actuator; segmented robot; miniaturized robot; permanent magnet plunger solenoid; electromagnetic actuator; segmented robot; miniaturized robot; permanent magnet plunger
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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MDPI and ACS Style

Song, C.-W.; Lee, S.-Y. Design of a Solenoid Actuator with a Magnetic Plunger for Miniaturized Segment Robots. Appl. Sci. 2015, 5, 595-607.

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