Crease-free biaxial packaging of thick membranes with slipping folds

INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES

卷:108

Article

Arya, Manan¹  Lee, Nicolas^1,2  Pellegrino, Sergio¹ 

[1] CALTECH, Grad Aerosp Labs, 1200 E Calif Blvd, Pasadena, CA 91125 USA

[2] Stanford Univ, Dept Aeronaut & Astronaut, 496 Lomita Mall, Stanford, CA 94305 USA

关键词: Origami;    Thick membranes;    Deployable structures;    Packaging;   

DOI  :  10.1016/j.ijsolstr.2016.08.013

来源: Elsevier

【 摘 要 】

This paper presents a novel scheme to biaxially package and deploy flat membranes, in which the thickness of the membrane is accounted for through the novel concept of slipping folds. The membrane is divided into parallel strips connected by slipping folds, and specially chosen wrapping profiles that require zero slip along the edges of the membrane are identified. This packaging scheme avoids the kinematic incompatibilities that in other schemes result in local buckles and wrinkles that increase the deployment force and permanently deform the membrane. The paper also presents a scheme to apply uniform uniaxial prestress to the deployed membrane, as well as a two-stage deployment scheme. Packaging efficiencies of up to 83% have been demonstrated for meter-scale models, although for large membranes the packaging efficiency approaches 100%. (C) 2016 Elsevier Ltd. All rights reserved.

【 授权许可】

Free