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Sensors 2016, 16(3), 377;

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
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
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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

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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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