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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202002564
|2 doi
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|a pubmed24n1042.xml
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|a (DE-627)NLM312764359
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|a (NLM)32700326
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Leroy, Edouard
|e verfasserin
|4 aut
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| 245 |
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|a Multimode Hydraulically Amplified Electrostatic Actuators for Wearable Haptics
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 20.08.2021
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|a Date Revised 20.08.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a The sense of touch is underused in today's virtual reality systems due to lack of wearable, soft, mm-scale transducers to generate dynamic mechanical stimulus on the skin. Extremely thin actuators combining both high force and large displacement are a long-standing challenge in soft actuators. Sub-mm thick flexible hydraulically amplified electrostatic actuators are reported here, capable of both out-of-plane and in-plane motion, providing normal and shear forces to the user's fingertip, hand, or arm. Each actuator consists of a fluid-filled cavity whose shell is made of a metalized polyester boundary and a central elastomer region. When a voltage is applied to the annular electrodes, the fluid is rapidly forced into the stretchable region, forming a raised bump. A 6 mm × 6 mm × 0.8 mm actuator weighs 90 mg, and generates forces of over 300 mN, out-of-plane displacements of 500 µm (over 60% strain), and lateral motion of 760 µm. Response time is below 5 ms, for a specific power of 100 W kg-1 . In user tests, human subjects distinguished normal and different 2-axis shear forces with over 80% accuracy. A flexible 5 × 5 array is demonstrated, integrated in a haptic sleeve
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|a Journal Article
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| 650 |
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|a actuator arrays
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| 650 |
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|a electrostatic actuators
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| 650 |
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|a soft actuators
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| 650 |
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|a soft robotics
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4 |
|a wearable haptics
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1 |
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|a Hinchet, Ronan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shea, Herbert
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 32(2020), 36 vom: 21. Sept., Seite e2002564
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:32
|g year:2020
|g number:36
|g day:21
|g month:09
|g pages:e2002564
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| 856 |
4 |
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|u http://dx.doi.org/10.1002/adma.202002564
|3 Volltext
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|a GBV_USEFLAG_A
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|d 32
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