Dual excitation multiphase electrostatic drive

T. Niino, T. Higuchi, S. Egawa
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引用次数: 57

Abstract

A novel electrostatic drive technology, named the dual excitation multiphase electrostatic drive (DEMED) is presented. A basic DEMED consists of two plastic films in which three-phase parallel electrodes are embedded and is driven by three-phase AC excitation to the electrodes. Static characteristics of DEMED are calculated and tested and the results agree very well. Three prototype motors of DEMED are fabricated using commercially available techniques. The first prototype consists of a single slider and stator and generates a linear motion with a slider motion range of about 5 mm. It weighs 7 g and generates a power of 1.6 W and a thrust force of 4.4 N. The second prototype consists of a 50 layer stack of linear motors, summing their outputs. It weighs 3.6 kg and generates a propulsive force of 310 N being powered with boosted commercial three-phase electricity. The third prototype consists of a rotor and a stator in which electrodes are arranged radially and generate rotational motion. A maximum power of 3.6 mW was generated by the prototype weighing only 260 mg for its rotor and stator. From the results of the numerical calculation, a practical design methodology for the motor is determined. An optimal design for a motor employing currently available material and fabrication techniques is provided as an example. Analyses predict that force generation over the interfacial area between the slider and stator of this motor would be 3900 N/m/sup 2/.
双激励多相静电驱动
提出了一种新的静电驱动技术——双激励多相静电驱动(DEMED)。基本的DEMED由两个塑料薄膜组成,其中嵌入了三相并联电极,并由三相交流励磁驱动到电极上。计算和测试了deed的静态特性,结果吻合较好。利用商业上可用的技术制造了三台deed原型电机。第一个原型由单个滑块和定子组成,并产生滑块运动范围约为5mm的线性运动。它的重量为7克,产生的功率为1.6瓦,推力为4.4牛顿。第二个原型由50层线性电机堆叠而成,将它们的输出相加。它的重量为3.6公斤,通过商用三相增压电力产生310牛的推进力。第三个原型由转子和定子组成,其中电极呈放射状排列并产生旋转运动。该原型机的转子和定子重量仅为260毫克,产生的最大功率为3.6兆瓦。根据数值计算结果,确定了一种实用的电机设计方法。本文提供了一种采用当前可用材料和制造技术的电机的优化设计作为实例。分析预测,在该电机的滑块和定子之间的界面区域产生的力将为3900 N/m/sup /。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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