![Page 1: Stretchable Network Integration in Composite Structures · PDF fileStretchable Network Integration in Composite Structures ... Nano/micro scale Stretching to macro ork ... into composite](https://reader031.vdocuments.site/reader031/viewer/2022022505/5abcdafa7f8b9a297f8e94a8/html5/thumbnails/1.jpg)
SACL
Stanford University Structures and Composites Laboratory
Stretchable Network Integration in Composite Structures
Raphaël NARDARI
Structures and Composites Laboratory (SACL) Department of Aeronautics and Astronautics
Stanford University
![Page 2: Stretchable Network Integration in Composite Structures · PDF fileStretchable Network Integration in Composite Structures ... Nano/micro scale Stretching to macro ork ... into composite](https://reader031.vdocuments.site/reader031/viewer/2022022505/5abcdafa7f8b9a297f8e94a8/html5/thumbnails/2.jpg)
SACL
Stanford University Structures and Composites Laboratory
“Find a way to integrate in large-scale structures a sensor network with wires thinner than human hair”
Introduction
Nano/micro scale
Stretching to macro
Bio inspired sensor network
Multi-scale fabrication process
UAV
?INTEGRATION
![Page 3: Stretchable Network Integration in Composite Structures · PDF fileStretchable Network Integration in Composite Structures ... Nano/micro scale Stretching to macro ork ... into composite](https://reader031.vdocuments.site/reader031/viewer/2022022505/5abcdafa7f8b9a297f8e94a8/html5/thumbnails/3.jpg)
SACL
Stanford University Structures and Composites Laboratory
“Develop an integration process for expandable sensor networks to add intelligence into composite structures”
Problem Statement
A350 composite fuselage
4” silicon wafer with a stretchable network
sensor network stretched
micro to macro scale
![Page 4: Stretchable Network Integration in Composite Structures · PDF fileStretchable Network Integration in Composite Structures ... Nano/micro scale Stretching to macro ork ... into composite](https://reader031.vdocuments.site/reader031/viewer/2022022505/5abcdafa7f8b9a297f8e94a8/html5/thumbnails/4.jpg)
SACL
Stanford University Structures and Composites Laboratory
Method of Approach
Structural design - Definition of the geometry - Analytical study and FEM simulation - Material choice and layup optimization
Sensor network design - Definition of desired functionality - Sensor localization definition and
optimization
Smart structure manufacturing - Network integration in the layup - Utilization of insulation patch with some sensors/networks/carbon material
combination
![Page 5: Stretchable Network Integration in Composite Structures · PDF fileStretchable Network Integration in Composite Structures ... Nano/micro scale Stretching to macro ork ... into composite](https://reader031.vdocuments.site/reader031/viewer/2022022505/5abcdafa7f8b9a297f8e94a8/html5/thumbnails/5.jpg)
SACL
Stanford University Structures and Composites Laboratory
• Integration of the sensor network in a composite panel to validate the process
• Monitoring of the composite curing process within an oven to check network survivability and response
Conclusion
Future works: Manufacture a smart UAV wing using the embedding technics developed.
This work is supported by : U.S. Air Force Office of Research (AFOSR) MURI program