NDLI: A Miniature Short Stroke Linear Actuator

Content Provider	IEEE Xplore Digital Library
Author	Haiwei Lu Jianguo Zhu Zhiwei Lin Youguang Guo
Copyright Year	1965
Abstract	We report a newly developed miniature short stroke tubular linear permanent-magnet actuator for robotic applications. Compared to a rotary-to-linear mechanism, the linear actuator has the advantages of efficiency, thrust control, and compact size in generating linear motion. We optimized the electromagnetic force of the actuator analytically by selecting appropriate dimensions and then predicted the force produced by the winding currents by the finite-element method under the brushless dc excitation scheme. We analyzed the actuation performance by dynamic modeling of the actuator. We constructed and tested a prototype on a specially designed test bench to verify the design. Finally, we analyzed and measured the end effect on the magnetic force due to the limited length of the stator core and translator.
Sponsorship	IEEE Magnetics Society
Starting Page	497
Ending Page	504
Page Count	8
File Size	1875676
File Format	PDF
ISSN	00189464
Volume Number	44
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-04-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Hydraulic actuators Magnetic analysis Testing Robots Pneumatic actuators Motion control Size control Optimization methods Electromagnetic forces Electromagnetic analysis tubular linear motors Actuators linear motors permanent-magnet motors robotics
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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