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首页> 外文期刊>IEEE Transactions on Magnetics >A Novel Method of Arraying Permanent Magnets Circumferentially to Generate a Rotation Magnetic Field
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A Novel Method of Arraying Permanent Magnets Circumferentially to Generate a Rotation Magnetic Field

机译：沿周向排列永磁体以产生旋转磁场的新方法

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摘要

An outer magnetic field is extensively applied to drive the movement of a clinic micro-robot. However, how to produce a suitable magnetic field is a complicated problem. Commonly, the drive magnetic field is generated by a combination of power coils. This paper presents a novel method that circumferentially arrays identical permanent magnets to generate a rotational magnetic field in the center area of the array circle. First, we distribute permanent magnets uniformly in a circle, and adjust each of them at a corresponding initial angle. All of the magnets rotate in the same direction synchronously, generating a constant strength and reverse rotation magnetic field in the center area of the circle. The rotation speed of the generated magnetic field equals that of the permanent magnets. We used two models to analyze the magnetic field, and did some numerical analyses. We set up a test-bed and carried out some experiments to prove the feasibility of the novel method. The method seems to have wide applicability in designing magnets to drive micro-robots for diagnosis and treatment.
机译：外部磁场被广泛施加以驱动诊所微型机器人的运动。然而，如何产生合适的磁场是一个复杂的问题。通常，驱动磁场是由功率线圈的组合产生的。本文提出了一种新颖的方法，该方法在圆周上排列相同的永磁体以在排列圆的中心区域产生旋转磁场。首先，我们将永磁体均匀地分布在一个圆中，并以相应的初始角度调整每个永磁体。所有磁体均沿相同方向同步旋转，从而在圆心区域产生恒定强度并产生反向旋转磁场。产生的磁场的旋转速度等于永磁体的旋转速度。我们使用两个模型来分析磁场，并进行了一些数值分析。我们建立了一个试验台并进行了一些实验，以证明该方法的可行性。该方法似乎在设计磁铁以驱动微型机器人进行诊断和治疗方面具有广泛的适用性。

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