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Novel Design and Research for a High-retaining-force, Bi-directional, Electromagnetic Valve Actuator with Double-layer Permanent Magnets
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  • Journal title : Journal of Magnetics
  • Volume 21, Issue 1,  2016, pp.65-71
  • Publisher : The Korean Magnetics Society
  • DOI : 10.4283/JMAG.2016.21.1.065
 Title & Authors
Novel Design and Research for a High-retaining-force, Bi-directional, Electromagnetic Valve Actuator with Double-layer Permanent Magnets
You, Jiaxin; Zhang, Kun; Zhu, Zhengwei; Liang, Huimin;
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 Abstract
To increase the retaining force, a novel design for a concentric, bi-directional, electromagnetic valve actuator that contains double-layer permanent magnets is presented in this paper. To analyze the retaining-force change caused by the magnets, an equivalent magnetic circuit (EMC) model is established, while the EMC circuit of a double-layer permanent-magnet valve actuator (DLMVA) is also designed. Based on a 3D finite element method (FEM), the calculation model is built for the optimization of the key DLMVA parameters, and the valve-actuator optimization results are adopted for the improvement of the DLMVA design. A prototype actuator is manufactured, and the corresponding test results show that the actuator satisfies the requirements of a high retaining force under a volume limitation; furthermore, the design of the permanent magnets in the DLMVA allow for the attainment of both a high initial output force and a retaining force of more than 100 N.
 Keywords
magnetic-equivalent-circuit method;electromagnetic valve actuator;permanent magnet;finite element analysis;optimized design;
 Language
English
 Cited by
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