Optics: measuring and testing – Angle measuring or angular axial alignment – With photodetection remote from measured angle
Patent
1997-09-30
1999-11-09
Buczinski, Stephen C.
Optics: measuring and testing
Angle measuring or angular axial alignment
With photodetection remote from measured angle
35613903, 356376, G01B 1126, G01B 1124
Patent
active
059824816
ABSTRACT:
An apparatus and method for precisely aligning individual facets on a dish concentrator located at most any location. The basic components of the present alignment system includes a camera and light assembly, an alignment device, an operator controller, and a support member for supporting the camera and light assembly. The camera and light assembly illuminate each facet individually and identifies the reflections using the camera in conjunction with a processor to compile a register of light reflection data. The operator controller processes this light data and calculates the normal vector for each facet. Once the facet normal vector is determined, the difference between the actual angular position of the facet and the optimum alignment position is determined. The facet may then be adjusted or aligned to a desired aimpoint on the concentrator. After each facet is aligned, the process may be repeated for increased accuracy. The quantitative data obtained and used to align each facet may also be used to analyze the dish collectors performance which may also be archived to assist in determining and identifying future problems. Portability of the apparatus is enhanced by the present apparatus's light weight and small size.
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"Development and Performance of a Digital Image Radiometer for Heliostat Evaluation at Solar One"J.B. Blackmon; pp. 1-8.
Blackmon James B.
Stone Kenneth W.
Buczinski Stephen C.
McDonnell Douglas Corporation
Stout Donald E.
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