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Design and analysis of linear oscillating motor for linear pump application-magnetic field, dynamics and thermotics

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Abstract

A linear oscillating motor is an electromagnetic actuator that can achieve short-stroke reciprocating movement directly without auxiliary transmission mechanisms. It has been widely used in linear pump applications as the source of power and motion. However, because of the demand of high power density in a linear actuation system, the performance of linear oscillating motors has been the focus of studies and deserves further research for high power density. In this paper, a general framework of linear oscillating motor design and optimization is addressed in detail, including the electromagnetic, dynamics, and thermal aspects. First, the electromagnetic and dynamics characteristics are modeled to reveal the principle for optimization. Then, optimization and analysis on magnetic structure, resonant system, and thermal features are conducted, which provide the foundation for prototype development. Finally, experimental results are provided for validation. As a whole, this process offers complete guidance for high power density linear oscillating motors in linear pump applications.

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Authors and Affiliations

  1. School of Automation Science and Electrical Engineering, Beihang University, Beijing, 100191, China

    Zongxia Jiao, Tianyi Wang & Liang Yan

  2. Shenzhen Research Institute of Beihang University, Shenzhen, 518057, China

    Liang Yan

Authors
  1. Zongxia Jiao
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  2. Tianyi Wang
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  3. Liang Yan
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Correspondence to Liang Yan.

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Jiao, Z., Wang, T. & Yan, L. Design and analysis of linear oscillating motor for linear pump application-magnetic field, dynamics and thermotics. Front. Mech. Eng. 11, 351–362 (2016). https://doi.org/10.1007/s11465-016-0407-9

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  • DOI: https://doi.org/10.1007/s11465-016-0407-9

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