Please use this identifier to cite or link to this item: https://doi.org/https://doi.org/10.1002/adfm.201901908
Title: Transparent soft robots for effective camouflage
Authors: LI PENGCHENG 
WANG YUZHE 
UJJAVAL GUPTA 
LIU JUN 
ZHANG LEI 
DONGHE DU
CHOON CHIANG FOO
OUYANG JIANYONG 
ZHU JIAN 
Keywords: transparent soft robots, stretchable conducting polymers, dielectric elastomer actuators, camouflaging robots
Issue Date: 18-Jul-2019
Publisher: Advanced Functional Materials
Citation: LI PENGCHENG, WANG YUZHE, UJJAVAL GUPTA, LIU JUN, ZHANG LEI, DONGHE DU, CHOON CHIANG FOO, OUYANG JIANYONG, ZHU JIAN (2019-07-18). Transparent soft robots for effective camouflage 29 (37) : 1901908. ScholarBank@NUS Repository. https://doi.org/https://doi.org/10.1002/adfm.201901908
Rights: CC0 1.0 Universal
Abstract: Transparency is a surprisingly effective method to achieve camouflage and has been widely adapted by natural animals. However, it is challenging to replicate in synthetic systems. Herein, a transparent soft robot is developed, which can achieve effective camouflage. Specifically, this robot is driven by transparent dielectric elastomer actuators (DEAs). Transparent and stretchable conductive polymers, based on blends of poly(3,4‐ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) and water‐borne polyurethane (WPU), are employed as compliant solid‐state electrodes in the DEAs. The electrode exhibits large stretchability, low stiffness, excellent conductivity at large strain, and high transmittance. Consequently, the DEA can achieve a large voltage‐induced area strain of 200% and a high transmittance of 85.5%. Driven by these soft actuators, the robot can realize translations using its asymmetric vibration mode, which can be explained by dynamics analysis and is consistent with finite element modeling. This soft robot can achieve effective camouflage, due to its high transparency as well as thin structure. Furthermore, the robot can become completely flat for even better camouflage by converting its 3D structure to 2D. The transparent soft robot is potentially useful in many applications such as robots for battlefield, reconnaissance, and security surveillance, where effective camouflage is required in dynamic and/or unstructured environments.
URI: https://scholarbank.nus.edu.sg/handle/10635/169721
DOI: https://doi.org/10.1002/adfm.201901908
Rights: CC0 1.0 Universal
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