Talon, Thibaud and Pellegrino, Sergio (2018) Shape Measurement of Large Structures in Space: Experiments. In: 2018 5th IEEE International Workshop on Metrology for AeroSpace (MetroAeroSpace). IEEE , Piscataway, NJ, pp. 581-584. ISBN 978-1-5386-2474-6. https://resolver.caltech.edu/CaltechAUTHORS:20180906-143935251
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Abstract
A method to reconstruct the shape of a large planar structure in space is introduced and demonstrated through a lab-scale experiment. Lightweight sun sensors are distributed on the structure to measure local angles relative to the sun. The methodology to integrate the measured angles into the shape of the structure, based on a decomposition of the shape into basis functions is introduced. This methodology has been implemented on a lab-scale experiment. The design of the sensors is based on a 4 pixel pinhole camera. The calibration method for these sensors is presented as well as the techniques to integrate and communicate with them. A 1.2 m by 20 cm structure was designed and populated with sensors to show the performance of an integrated system. Preliminary results show an accuracy of 1 mm RMS on the shape reconstruction of this structure.
| Item Type: | Book Section | |||||||||
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| Additional Information: | © 2018 IEEE. This research is supported by the Northrop Grumman Corporation and the Space Solar Power Project at Caltech. | |||||||||
| Group: | GALCIT, Space Solar Power Project | |||||||||
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| Subject Keywords: | sun, sensor, shape, reconstruction, measurement, structure, solar, sail, antenna array, laboratory, experiment | |||||||||
| DOI: | 10.1109/MetroAeroSpace.2018.8453578 | |||||||||
| Record Number: | CaltechAUTHORS:20180906-143935251 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20180906-143935251 | |||||||||
| Official Citation: | T. Talon and S. Pellegrino, "Shape Measurement of Large Structures in Space: Experiments," 2018 5th IEEE International Workshop on Metrology for AeroSpace (MetroAeroSpace), Rome, Italy, 2018, pp. 581-584. doi: 10.1109/MetroAeroSpace.2018.8453578 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 89429 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Tony Diaz | |||||||||
| Deposited On: | 06 Sep 2018 23:57 | |||||||||
| Last Modified: | 16 Nov 2021 00:35 |
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