A 3D-printed, functionally graded soft robot powered by combustion

被引：848

作者：

Bartlett, Nicholas W. ^{[1
,2
]}

Tolley, Michael T. ^{[3
]}

Overvelde, Johannes T. B. ^{[1
]}

Weaver, James C. ^{[2
]}

Mosadegh, Bobak ^{[4
,5
]}

Bertoldi, Katia ^{[1
]}

Whitesides, George M. ^{[2
,6
]}

Wood, Robert J. ^{[1
,2
]}

机构：

[1] Harvard Univ, Sch Engn & Appl Sci, Cambridge, MA 02138 USA

[2] Harvard Univ, Wyss Inst Biol Inspired Engn, Cambridge, MA 02138 USA

[3] Univ Calif San Diego, Dept Mech & Aerosp Engn, La Jolla, CA 92093 USA

[4] New York Presbyterian Hosp, Dept Radiol, Dalio Inst Cardiovasc Imaging, New York, NY 10021 USA

[5] Weill Cornell Med Coll, New York, NY 10021 USA

[6] Harvard Univ, Dept Chem & Chem Biol, Cambridge, MA 02138 USA

来源：

SCIENCE | 2015年 / 349卷 / 6244期

关键词：

FABRICATION; CHALLENGES; DESIGN;

D O I：

10.1126/science.aab0129

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Roboticists have begun to design biologically inspired robots with soft or partially soft bodies, which have the potential to be more robust and adaptable, and safer for human interaction, than traditional rigid robots. However, key challenges in the design and manufacture of soft robots include the complex fabrication processes and the interfacing of soft and rigid components. We used multimaterial three-dimensional (3D) printing to manufacture a combustion-powered robot whose body transitions from a rigid core to a soft exterior. This stiffness gradient, spanning three orders of magnitude in modulus, enables reliable interfacing between rigid driving components (controller, battery, etc.) and the primarily soft body, and also enhances performance. Powered by the combustion of butane and oxygen, this robot is able to perform untethered jumping.

引用

页码：161 / 165

页数：5

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