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首页> 外文期刊>IEEE Transactions on Magnetics >Performance Evaluation of the Wrench Models of Ironless Permanent Magnet Planar Motor With Different Simplifications
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Performance Evaluation of the Wrench Models of Ironless Permanent Magnet Planar Motor With Different Simplifications

机译：不同简化形式的永磁无铁平面电动机的扳手模型性能评估

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摘要

The wrench model is a necessity to implement the ironless permanent magnet planar motor. In order to guarantee its feasibility, the existing research studies always conduct the coil shape simplification (CSS) and the wrench vector component simplification (WVCS) during the modeling process. This paper focuses on the necessity of two kinds of simplifications and theoretically analyzes their performance affection from the model accuracy aspect and the calculation speed aspect. First, based on the analytical expression of the unified wrench model which denotes a more general case than the analytical model proposed by previous researchers and could describe the wrench model, no matter what kind of simplification is conducted, we prove that the CSS must cause accuracy deterioration. However, the model with more WVCs will certainly be more accurate only in the case that the CSS is not conducted. In terms of calculation speed, the influence of the WVCS is much more than that caused by a concise wrench coefficient matrix which may result from the CSS. Then, we give a special case to graphically illustrate these discussions. Finally, the general conclusion goes that the wrench model including no CSS and appropriate WVCS depending on demands of real-time calculation has the better comprehensive performance from the model accuracy and calculation speed aspect. This conclusion brings convenience to the relevant research studies that the time-consuming verification process about model accuracy can be omitted.
机译：扳手模型是实现无铁永磁平面电动机的必要条件。为了保证其可行性，现有的研究始终在建模过程中进行线圈形状简化（CSS）和扳手矢量分量简化（WVCS）。本文着眼于两种简化的必要性，并从模型精度和计算速度两个方面对它们的性能影响进行了理论分析。首先，基于统一扳手模型的解析表达式，该表达式表示比以前的研究人员提出的解析模型更通用的情况，并且可以描述扳手模型，无论进行哪种简化，我们都证明CSS必须引起精度恶化。但是，只有在不执行CSS的情况下，具有更多WVC的模型肯定会更加准确。就计算速度而言，WVCS的影响远大于CSS可能产生的简洁扳手系数矩阵所造成的影响。然后，我们给出一个特殊情况以图形方式说明这些讨论。最后，得出的一般结论是，从模型的准确性和计算速度的角度来看，不包含CSS和适当的WVCS的扳手模型根据实时计算的要求具有更好的综合性能。这一结论为相关的研究带来了便利，因为可以省去耗时的关于模型准确性的验证过程。

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  • 来源
    《IEEE Transactions on Magnetics》 |2018年第12期|1-8|共8页
  • 作者

    Ding Yuan; Ming Zhang; Yu Zhu; Xin Li; Leijie Wang; Chuxiong Hu;

  • 作者单位

    Department of Mechanical Engineering, State Key Laboratory of Tribology, Tsinghua University, Beijing, China;

    Department of Mechanical Engineering, State Key Laboratory of Tribology, Tsinghua University, Beijing, China;

    Department of Mechanical Engineering, State Key Laboratory of Tribology, Tsinghua University, Beijing, China;

    Department of Mechanical Engineering, State Key Laboratory of Tribology, Tsinghua University, Beijing, China;

    Department of Mechanical Engineering, State Key Laboratory of Tribology, Tsinghua University, Beijing, China;

    Department of Mechanical Engineering, State Key Laboratory of Tribology, Tsinghua University, Beijing, China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Analytical models; Cascading style sheets; Harmonic analysis; Permanent magnets; Planar motors; Shape; Computational modeling;

    机译：分析模型;级联样式表;谐波分析;永磁体;平面电动机;形状;计算模型;

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