期刊
ADVANCED FUNCTIONAL MATERIALS
卷 27, 期 44, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.201704388
关键词
biomimetic motions; carbon nanotube; jumping robot; sunlight induced actuation; tubular shape
类别
资金
- National Natural Science Foundation of China [11674354, 51605131, 51402078]
- Fundamental Research Funds for the Central Universities [JZ2017HGPA0167, JZ2016HGTB0711]
Designing multistimuli responsive soft actuators which can mimic advanced and sophisticated biological movements through simple configuration is highly demanded for the biomimetic robotics application. Here, inspired by the human's flick finger behavior which can release large force output, a soft jumping robot mimicking the gymnast's somersault is designed based on the rolled carbon nanotube/polymer bilayer composite actuator. This new type of rolled bilayer actuator with tubular shape is fabricated and shows electrically and sunlight-induced actuation with remarkable performances including ultralarge deformation from tubular to flat (angel change >200 degrees or curvature >2 cm(-1)), fast response (<5 s), and low actuation voltage (<= 10 V). Besides jumping, the uniquely reversible rolling-unrolling actuation can lead to other smart soft robots with versatile complex biomimetic motions, including light-induced tumbler with cyclic wobbling, electrically/light-induced crawling-type walking robots and grippers, electrically induced mouth movement, and ambient-sunlight-induced blooming of a biomimetic flower. These results open the way for using one simple type of actuator structure for the construction of various soft robots and devices toward practical biomimetic applications.
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