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Sensors 2016, 16(3), 377; doi:10.3390/s16030377

A New Linear Oscillatory Actuator with Variable Characteristics Using Two Sets of Coils

Department of Adaptive Machine Systems, Graduate School of Engineering, Osaka University, Osaka, 565-0871, Japan
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Author to whom correspondence should be addressed.
Academic Editors: Slawomir Wiak and Manuel Pineda Sanchez
Received: 6 January 2016 / Revised: 2 March 2016 / Accepted: 10 March 2016 / Published: 15 March 2016
View Full-Text   |   Download PDF [3200 KB, uploaded 15 March 2016]   |  

Abstract

Nowadays, electromagnetic linear oscillatory actuators are used as vibration control devices because of their high controllability. However, there is a problem that thrust and vibration are small at a wide drive frequency range. In order to improve this problem, we propose a new linear oscillatory actuator that can easily change its own characteristics by using two sets of coils. Through finite element analysis, large vibration was observed at 100 Hz in a series connection, and large vibration and high thrust were observed at 70 Hz and 140 Hz in a parallel connection. From these results, we verified that the actuator had two different characteristics due to switchable connections, and could generate high thrust and large vibration by smaller currents at a wide drive frequency range. View Full-Text
Keywords: linear oscillatory actuator; variable characteristics; finite element analysis linear oscillatory actuator; variable characteristics; finite element analysis
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

Kitayama, F.; Hirata, K.; Niguchi, N.; Kobayashi, M. A New Linear Oscillatory Actuator with Variable Characteristics Using Two Sets of Coils. Sensors 2016, 16, 377.

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