Accession Number:

ADA445065

Title:

Computer Programs for Solar Concentrator Focus Control

Descriptive Note:

Conference paper

Corporate Author:

AIR FORCE RESEARCH LAB EDWARDS AFB CA PROPULSION DIRECTORATE

Report Date:

2005-09-07

Pagination or Media Count:

15.0

Abstract:

This paper describes two methods for imaging an absorber used as a new sensor in determining the location of the focal spot for a solar concentrator. The absorber is used as a sensor in both methods, but in slightly different ways. The first method developed is an optimization method inspired by Shack-Hartmann wave front sensing. This optimization utilizes masking and a correlation calculation to determine the error from the current image of the focal spot and the ideal or designed position of the focal spot. The second method still uses the absorber as a sensor but calculates area moments of the reflected sunlight on the tubing to calculate the current location of the focal spot.

Subject Categories:

  • Electric Power Production and Distribution
  • Computer Programming and Software

Distribution Statement:

APPROVED FOR PUBLIC RELEASE