A Linear Electrostatic Induction Motor with Coils Mounted on its Slider for Voltage Boosting

Abstract:

This paper introduces a linear electrostatic induction motor utilizing electrical resonance. The motor consists of two thin plastic films: the stator film and the slider film, in which fine-pitched three-phase electrodes are embedded. The motor has three coils mounted on its slider, which are connected to the slider electrodes, and driven by applying three-phase voltage to its stator electrodes. The voltages on the slider electrodes are boosted by an electrical resonance, and large thrust force is obtained. The motors capability to accelerate under load is demonstrated; it could pull up weights up to 80 g with an excitation voltage of 1 kV_0-P / 12.8 kHz, which was the motors resonance frequency. The fastest motion of the slider was obtained when the excitation frequency was set slightly higher than the resonance frequency, and the motor traveled 34 mm in 0.16 seconds with 1 kV_0-P / 13.1 kHz excitation, while pulling up a weight of 40 g.

• Periodical: Applied Mechanics and Materials (Volume 162)
• Pages: 515-522
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.162.515
• Online since: March 2012
• Authors: Takuya Hosobata, Akio Yamamoto, Toshiro Higuchi
• Keywords: Asynchronous Motor, Electrical Resonance, Electrostatic Motor, Linear Motor

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