Crease-free biaxial packaging of thick membranes with slipping folds

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• 作者：Manan Arya ^{marya@caltech.edu} ; Nicolas Lee¹ ; ^{nnlee@stanford.edu} ; Sergio Pellegrino ; ^{sergiop@caltech.edu}
• 关键词：Origami ; Thick membranes ; Deployable structures ; Packaging
• 刊名：International Journal of Solids and Structures
• 出版年：2017
• 出版时间：1 March 2017
• 年：2017
• 卷：108
• 期：Complete
• 页码：24-39
• 全文大小：4329 K
• 卷排序：108

文摘

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%.