19 January 2009 Stereo optical tracker for standoff monitoring of position and orientation
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Abstract
A Precision Optical Measurement System (POMS) has been designed, constructed and tested for tracking the position (x, y, z) and orientation (roll, pitch, yaw) of models in Boeing's 9-77 Compact Radar Range. A stereo triangulation technique is implemented using two remote sensor units separated by a known baseline. Each unit measures pointing angles (azimuth and elevation) to optical targets on a model. Four different reference systems are used for calibration and alignment of the system's components and two platforms. Pointing angle data and calibration corrections are processed at high rates to give near real-time feedback to the mechanical positioning system of the model. The positional accuracy of the system is ± .010 inches at a distance of 85 feet while using low RCS reflective tape targets. The precision measurement capabilities and applications of the system are discussed.
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W. D. Sherman, W. D. Sherman, T. L. Houk, T. L. Houk, J. M. Saint Clair, J. M. Saint Clair, P. F. Sjoholm, P. F. Sjoholm, M. D. Voth, M. D. Voth, } "Stereo optical tracker for standoff monitoring of position and orientation", Proc. SPIE 7239, Three-Dimensional Imaging Metrology, 72390J (19 January 2009); doi: 10.1117/12.811921; https://doi.org/10.1117/12.811921
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