Development of a 3.2m-long Inflatable and Rigidizable Solar Array Breadboard

Peypoudat, V.; Defoort, Brigitte; Lacour, D.; Brassier, P.; Couls, O. Le; Langlois, S.; Lienard, Estec S.; Bernasconi, M. C.; Gotz, Mcbc M.

doi:10.2514/6.2005-1881

Cited by 10 publications

(4 citation statements)

References 2 publications

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“…Thin sheets and membrane structures are used widely in space applications such as inflatable space antennas, solar sails, and radars (Talley et al, 2002;Sleight et al, 2005;Sakamoto and Park, 2005;Wang et al, 2007). Similar structures have also found applications in areas of solar energy systems (Peypoudat et al, 2005) and large-area flexible electronics (Rogers et al, 2001). The main advantage of using these structures in the space applications is due to their lightweight and low space requirement.…”

Section: Introductionmentioning

confidence: 99%

Stretch-induced stress patterns and wrinkles in hyperelastic thin sheets

Nayyar

Ravi‐Chandar

Huang

2011

International Journal of Solids and Structures

122

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Section: Introductionmentioning

confidence: 99%

Stretch-induced stress patterns and wrinkles in hyperelastic thin sheets

Nayyar

Ravi‐Chandar

Huang

2011

International Journal of Solids and Structures

122

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“…We see our work as a step towards completely reconfigurable structures. One potential area where our work could be applied is reconfigurable inflated deployable space structures [17], [18]. Another area is construction, where rapid inflated structures could be fabricated on-site without the use of traditional fabrication materials [19].…”

Section: Introductionmentioning

confidence: 99%

Passive Shape Locking for Multi-Bend Growing Inflated Beam Robots

Jitosho¹,

Simón-Trench²,

Okamura³

et al. 2023

Preprint

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Shape change enables new capabilities for robots. One class of robots capable of dramatic shape change is soft growing "vine" robots. These robots usually feature global actuation methods for bending that limit them to simple, constant-curvature shapes. Achieving more complex "multibend" configurations has also been explored but requires choosing the desired configuration ahead of time, exploiting contact with the environment to maintain previous bends, or using pneumatic actuation for shape locking. In this paper, we present a novel design that enables passive, on-demand shape locking. Our design leverages a passive tip mount to apply hook-and-loop fasteners that hold bends without any pneumatic or electrical input. We characterize the robot's kinematics and ability to hold locked bends. We also experimentally evaluate the effect of hook-and-loop fasteners on beam and joint stiffness. Finally, we demonstrate our proof-of-concept prototype in 2D. Our passive shape locking design is a step towards easily reconfigurable robots that are lightweight, lowcost, and low-power.

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“…1,2 However, they are widely used in related industries, especially in space applications. It includes salar sails, radars, 3 solar energy systems and large area flexible electronics as they possess the advantages of light weight, 4 low space requirement, and surface flatness in flexible thin structures. However, in nature the wrinkling phenomenon can not be avoided, they are textiles, skin, and thinner coatings by mismatch, etc.…”

Section: Introductionmentioning

confidence: 99%

Mechanical behavior of thin films due to in-plane tensile and fatigue loadings

Jen

Liou

2019

AIP Advances

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The mechanical properties, wrinkling phenomenon and fatigue response of polymeric polyethylene rectangular thin films due to both static tensile and cyclic tests were investigated. From the tensile tests we obtained the stress-strain curves and observed the formation of wrinkles for original films. The evolution of wrinkles resulted from in-plane to out-of-plane deformation and deflection. Also, the tensile tests for notched films were performed such as with a central hole, two vertical holes and two horizontal holes. From the fatigue tests the total strain vs. life curve was achieved. It was composed of two straight lines of both elastic and plastic parts.

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Development of a 3.2m-long Inflatable and Rigidizable Solar Array Breadboard

Cited by 10 publications

References 2 publications

Stretch-induced stress patterns and wrinkles in hyperelastic thin sheets

Stretch-induced stress patterns and wrinkles in hyperelastic thin sheets

Passive Shape Locking for Multi-Bend Growing Inflated Beam Robots

Mechanical behavior of thin films due to in-plane tensile and fatigue loadings

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