期刊
MATERIALS & DESIGN
卷 89, 期 -, 页码 485-491出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.matdes.2015.09.162
关键词
Theoretical model; Electroadhesive pad; Interdigitated electrodes; Electroadhesion; Dry adhesion; Soft robotics
资金
- Australian National University
- Duke University
- NSF's Research Triangle Materials Research Science and Engineering Center [DMR-1121107]
- Australian Research Council
- MOST [2012CB934001]
Electric fields alter adhesive forces between materials. Electroadhesive forces have been utilized in diverse applications ranging from climbing robots, electrostatic levitation to electro-sticky boards. However, the design of electroadhesive devices still largely relies on empirical or trial-and-error approaches. In this work, a theoretical model is presented to analyze the electrostatic field between the supporting wall and the electroadhesive device with periodic coplanar electrodes. The air-gap between the surface of electroadhesive device and the dielectric wall is explicitly taken into account in the model to consider its significant impact on electroadhesive forces. On the basis of this model, the electroadhesive force is calculated by using the Maxwell stress tensor. The effects of key design parameters and working environments on the electroadhesion behavior are further investigated. This study not only provides a tool to reveal the underlying mechanisms of electroadhesion but also suggests potential strategies to optimize novel electroadhesive devices for engineering applications. (C) 2015 Elsevier Ltd. All rights reserved.
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