CUED Publications database

Permanent-magnet linear actuator for static and reciprocating short-stroke electromechanical systems

Evans, SA and Smith, IR and Kettleborough, JG (2001) Permanent-magnet linear actuator for static and reciprocating short-stroke electromechanical systems. IEEE/ASME Transactions on Mechatronics, 6. pp. 36-42. ISSN 1083-4435

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Abstract

With the recent rapid progress in permanent-magnet technology, through the use of high-energy-density rare-earth materials, a range of compact and high-performance linear actuators is now available. This paper presents simulated and experimental results from an investigation into the performance of such a device, in which the internal operating conditions are first modeled using a finite-element approach. Information obtained from this investigation is used, together with equations for both the electrical circuit and the mechanical motion, to enable both the static and the dynamic characteristics to be predicted. The most significant parameters affecting the performance of the actuator are identified, and an optimized design is produced.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div E > Production Processes
Depositing User: Cron Job
Date Deposited: 24 Jul 2017 20:09
Last Modified: 23 Aug 2018 01:30
DOI: