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Appl. Sci. 2017, 7(6), 630; doi:10.3390/app7060630

Comparative Study of Stator Configurations of a Permanent Magnet Linear Oscillating Actuator for Orbital Friction Vibration Actuator

School of Electrical Engineering and Automation, Harbin Institute of Technology, 150006, China
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Academic Editor: Stanislaw M. Dubiel
Received: 8 April 2017 / Revised: 20 May 2017 / Accepted: 5 June 2017 / Published: 17 June 2017
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Abstract

A PM orbital friction vibration actuator (OFVA) which composes four linear oscillating actuators (LOA) is proposed in this paper. This paper presents the design, analysis, and experimental validation of stator configuration of a permanent magnet LOA to improve its thrust force characteristics. First, the magnetized topology and the coil configuration are interpreted. The optimization design goal of the LOA was established and the end effects of the actuator are illustrated. The influences of stator design parameters on the performance of LOA were investigated and the optimal parameters have been identified with reference to the thrust force density and thrust force ripple. Results showed that a quasi‐Halbach magnetized E‐cored LOA with obtrapezoid teeth has the best electromagnetic performances of all the LOAs examined here. Finally, the predicted thrust force characteristics were validated by measurements on a prototype actuator. View Full-Text
Keywords: linear oscillating actuator; permanent magnet actuator; stator configuration; thrust force; orbital friction vibration actuator linear oscillating actuator; permanent magnet actuator; stator configuration; thrust force; orbital friction vibration actuator
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MDPI and ACS Style

Hu, J.; Zhao, M.; Zou, J.; Li, Y. Comparative Study of Stator Configurations of a Permanent Magnet Linear Oscillating Actuator for Orbital Friction Vibration Actuator. Appl. Sci. 2017, 7, 630.

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