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Optimization and experimental verification of coplanar interdigital electroadhesives

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posted on 2016-09-23, 12:54 authored by Jianglong Guo, Thomas Bamber, Matthew Chamberlain, Laura JusthamLaura Justham, Michael Jackson
A simplified and novel theoretical model for coplanar interdigital electroadhesives has been presented in this paper. The model has been verified based on a mechatronic and reconfigurable testing platform, and a repeatable testing procedure. The theoretical results have shown that, for interdigital electroadhesive pads to achieve the maximum electroadhesive forces on non-conductive substrates, there is an optimum electrode width/space between electrodes (width/space) ratio, approximately 1.8. On conductive substrates, however, the width/space ratio should be as large as possible. The 2D electrostatic simulation results have shown that, the optimum ratio is significantly affected by the existence of the air gap and substrate thickness variation. A novel analysis of the force between the electroadhesive pad and the substrate has highlighted the inappropriateness to derive the normal forces by the division of the measured shear forces and the friction coefficients. In addition, the electroadhesive forces obtained in a 5 d period in an ambient environment have highlighted the importance of controlling the environment when testing the pads to validate the models. Based on the confident experimental platform and procedure, the results obtained have validated the theoretical results. The results are useful insights for the investigation into environmentally stable and optimized electroadhesives.

Funding

The authors acknowledge support from the EPSRC Centre for Innovative Manufacturing in Intelligent Automation, in undertaking this research work under grant reference number EP/IO33467/1.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Published in

Journal of Physics D: Applied Physics

Volume

49

Issue

41

Pages

? - ? (18)

Citation

GUO, J. ... et al., 2016. Optimization and experimental verification of coplanar interdigital electroadhesives. Journal of Physics D: Applied Physics, 49 (41), 18pp.

Publisher

IOP Publishing © the authors

Version

  • VoR (Version of Record)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution 3.0 Unported (CC BY 3.0) licence. Full details of this licence are available at: http://creativecommons.org/licenses/by/3.0/

Acceptance date

2016-09-01

Publication date

2016-09-16

Copyright date

2016

Notes

Original content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.

ISSN

1361-6463

Language

  • en

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