NDLI: A bi-directional short stroke permanent magnet linear DC Motor

Content Provider	IEEE Xplore Digital Library
Author	Wenjie Shen Zhiqiang Du Wu Ai Zhenrong Jin
Copyright Year	2011
Description	Author affiliation: College of Mechanical and Electrical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China (Zhiqiang Du; Zhenrong Jin) \|\| Dep. of Mechanical and Electrical Engineering, Luoyang Institute of Science and Technology, 471023, China (Wu Ai) \|\| Dep. of Electrical Engineering and Automation, Luoyang Institute of Science and Technology, 471023, China (Wenjie Shen)
Abstract	The structure and features of a bi-directional short stroke linear DC motor with permanent magnets were presented. The magnetic field was produced by the two concentric ring permanent magnets embedded on the stator. The moving coil mounted on the shaft was a tubular coil situated within a radially oriented magnetic field and balanced by the two opposing forces generated by two springs along with the central axis and supported by the two linear bearings. The linear guide prevented the moving coil from rotating around on the central axis and carries with the linear optical encoder of 1µm resolution. The required controlled travel was limited in a ±5-mm displacement range. The prototype specifications were given. The experimental results show that between the electromagnetic force and the coil electric current exists a linear relation. When the frequency of control command is the 30Hz sine wave, the peak current, the peak force, the max velocity and the max acceleration are, respectively, ±2.56A, ±30.9N, ±0.86m/s and ±16.5g.
Starting Page	3810
Ending Page	3812
File Size	395259
Page Count	3
File Format	PDF
ISBN	9781424480364
e-ISBN	9781424480395
DOI	10.1109/ICEICE.2011.5777248
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-04-15
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Coils Electrical engineering Actuators Moving coil type Bidirectional control Linear DC motor DC motors Permanent magnets Manufacturing Permanent magnet Bi-directional short stroke
Content Type	Text
Resource Type	Article

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