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首页> 外文期刊>Mechatronics, IEEE/ASME Transactions on >The Mechanism How Coaxial Magnetic Gear Transmits Magnetic Torques Between Its Two Rotors: Detailed Analysis of Torque Distribution on Modulating Ring
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The Mechanism How Coaxial Magnetic Gear Transmits Magnetic Torques Between Its Two Rotors: Detailed Analysis of Torque Distribution on Modulating Ring

机译：同轴电磁齿轮在两个转子之间传递电磁转矩的机理：调制环上转矩分布的详细分析

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摘要

Coaxial magnetic gears (CMGs) have attracted increasing attention in recent years. The field modulation effect arising from modulating ring is considered as the reason why CMG can realize torque transmission between its two rotors. However, the magnetic torque interaction among modulating ring and two rotors is rarely investigated. Therefore, the purpose of this paper is to figure out the detailed torque distribution on the modulating ring, which plays a crucial role as the force/torque medium between the inner rotor and the outer rotor. First, the conceptual model, the operating principle, and the practical configurations of CMGs are introduced. Second, theoretical derivation of torque distribution on each surface of modulating rings with different connecting bridges is conducted by using the Maxwell stress tensor method. The calculation results match very well with those obtained from the traditional "holistic analysis method" that is widely used in previous publications, and this validates our proposed "detailed analysis method". Third, how the connecting bridges affect the torque distribution on modulating rings is presented intuitively. Finally, three CMGs with inner bridge, outer bridge, and double bridges, respectively, are built for experimental verification.
机译：近年来，同轴电磁齿轮（CMG）引起了越来越多的关注。由调制环产生的场调制效应被认为是CMG能够在其两个转子之间实现扭矩传递的原因。但是，很少研究调节环和两个转子之间的磁转矩相互作用。因此，本文的目的是弄清调制环上的详细转矩分配，该转矩作为内转子和外转子之间的力/转矩介质起着至关重要的作用。首先，介绍了CMG的概念模型，工作原理和实际配置。其次，采用麦克斯韦应力张量法，对不同连接桥的调节环各面上的扭矩分布进行了理论推导。计算结果与从以前的出版物中广泛使用的传统“整体分析方法”获得的结果非常吻合，这验证了我们提出的“详细分析方法”。第三，直观地介绍了连接桥如何影响调节环上的扭矩分配。最后，分别构建了三个带有内桥，外桥和双桥的CMG进行实验验证。

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