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首页> 外文会议>Thirtieth Annual Symposium on Incremental Motion Control Systems amp; Devices, Jul 23-26, 2001, Berkeley, California >A NOVEL DESIGN OF A VIBRATION MOTOR USED FOR CELLULAR PHONE
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A NOVEL DESIGN OF A VIBRATION MOTOR USED FOR CELLULAR PHONE

机译：用于手机的振动电机的新型设计

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摘要

With a remarkable expansion of communication industry, a cellular phone becomes a necessary communication device in modern society. However, a paging signal by a buzzer often acts as an unpleasant noise in some places, thus necessitating a paging signal by a vibration motor. The conventional flat type vibration motor uses 3-phase windings with three phase coils. In this paper, it is presented that a new design of vibration motor using open delta winding with two phase coils. The proposed 2-phase motor design enables removal of dead points, simpler configuration and thus higher productivity. For an electromagnetic field analysis, it is possible to reduce 3D problem to a 2D boundary-value problem. Due to the motor symmetry, therefore, 2D modeling can be implemented for the fast computation and the output torque is calculated by FEM. With the comparison of output torque, it is possible to evaluate the performance and characteristics of vibration motors. Experimental results on vibration measurements are also followed to confirm the validity of the proposed design.
机译：随着通信产业的显着发展，蜂窝电话成为现代社会中必不可少的通信设备。但是，在某些地方，蜂鸣器发出的寻呼信号通常会引起令人不快的噪声，因此必须由振动电机来发出寻呼信号。常规的扁平型振动电动机使用带有三相线圈的三相绕组。在本文中，提出了一种新的振动电机设计，该电机采用带有两个相线圈的开式三角形绕组。提出的两相电动机设计能够消除死点，简化配置，从而提高生产率。对于电磁场分析，可以将3D问题简化为2D边界值问题。由于电机的对称性，因此可以实现2D建模以进行快速计算，并通过FEM计算输出扭矩。通过比较输出转矩，可以评估振动电机的性能和特性。还跟踪了振动测量的实验结果，以确认所提出设计的有效性。

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