The Effect of Applied Normal Force on the Electrovibration.

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Show simple item record Guo, Xingwei en Zhang, Yuru en Wang, Dangxiao en Lu, Lei en Jiao, Jian en Xu, Weiliang en 2020-02-11T03:15:27Z en 2019-10 en
dc.identifier.issn 1939-1412 en
dc.identifier.uri en
dc.description.abstract Electrovibration has become one of the promising approaches for adding tactile feedback on touchscreen. Previous studies revealed that the normal force applied on the touchscreen by the finger affects significantly the electrostatic force. It is obvious that the normal force affects the electrostatic force if it changes the contact area between the finger and the touchscreen. However, it is unclear whether the normal force affects the electrostatic force when the apparent contact area is constant. In this paper, we estimated the electrostatic force via measuring the tangential force of the finger sliding on a 3M touchscreen at different normal forces under the constant apparent contact area. We found that the electrostatic force increases significantly as the normal force increases from 0.5 to 4.5N. We explained the experimental results using the most recently proposed electrostatic force model, which considers the effect of air gap. We estimated the averaged air gap thickness using the electrostatic force model. The results showed that the relationship between the air gap thickness and the normal force follows a power function. Our experiment suggests that the normal force has a significant effect on the air gap thickness, thus require consideration in the design of tactile feedback. en
dc.format.medium Print-Electronic en
dc.language eng en
dc.relation.ispartofseries IEEE transactions on haptics en
dc.rights Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. en
dc.rights.uri en
dc.title The Effect of Applied Normal Force on the Electrovibration. en
dc.type Journal Article en
dc.identifier.doi 10.1109/toh.2019.2897768 en
pubs.issue 4 en
pubs.begin-page 571 en
pubs.volume 12 en
dc.rights.holder Copyright: The author en
pubs.end-page 580 en
pubs.publication-status Published en
dc.rights.accessrights en
pubs.subtype Research Support, Non-U.S. Gov't en
pubs.subtype Journal Article en
pubs.elements-id 790425 en Engineering en Mechanical Engineering en
dc.identifier.eissn 2329-4051 en
pubs.record-created-at-source-date 2019-02-09 en
pubs.dimensions-id 30736006 en

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