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Toward Autonomous Field Inspection of CSP Collectors With a Polarimetric Imaging Drone

Journal Article · · SolarPACES Conference Proceedings (Online)
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  1. Arizona State University, Tempe, AZ (United States)
  2. Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
  3. Gryphon Technologies, Washington, DC (United States)
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We developed a polarimetric imaging drone to perform field inspections of heliostats and carried out field tests at Sandia’s National Solar Thermal Test Facility (NSTTF). The preliminary results show that Degree of Linear Polarization (DOLP) and Angle of Polarization (AOP) images greatly enhanced the edge detection results compared with the conventional visible images, supporting fast and accurate detection of heliostat mirror edges and cracks. The system holds the promise to enable future automated detection of heliostats optical errors and mirror defects.

Research Organization:
Arizona State University, Tempe, AZ (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
NA0003525; EE0008999
OSTI ID:
2568922
Journal Information:
SolarPACES Conference Proceedings (Online), Journal Name: SolarPACES Conference Proceedings (Online) Journal Issue: 1 Vol. 1; ISSN 2751-9899
Publisher:
TIB Open PublishingCopyright Statement
Country of Publication:
United States
Language:
English

Figures / Tables (11)

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Table 2(p. 8)table Table 2

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Related Subjects

14 SOLAR ENERGY
Autonomous Field Inspection
Heliostat mirror
crack detection
edge detection
heliostat inspection
mirror defects detection
optical errors
polarimetric imaging