We have studied electrostatic properties of DNA with a discrete charge model consisting of a cylindrical dielectric core with a radius of 8 ร and a dielectric constant D i ฯญ 4, surrounded by two helical strings of phosphate point charges at 10 ร from the axis, immersed in an aqueous medium with diel
Modeling of an electrostatic induction actuator for dielectric sheet conveying
โ Scribed by Mehdi Modabberifar; Akio Yamamoto; Toshiro Higuchi
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 587 KB
- Volume
- 161
- Category
- Article
- ISSN
- 0924-4247
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โฆ Synopsis
This paper analyzes sheet transportation using the principle of electrostatic induction motors. This sheet transportation method has the capability of positioning and feeding dielectric sheets in processes and can be an interesting alternative to the existing mechanical conveyor. Although electrostatic sheet transportation was previously proposed based on a unique actuation model, it had limitations in surface resistivity of transported sheets. To break this limitation this paper utilizes another actuation principle namely electrostatic induction for conveying dielectric sheets. This study paper proposes an analytical model for actuation, in which the optimum driving frequency is analytically predicted, showing good agreement with the measured data.
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