The Boeing Company

Karl C Oittinen

Kitchener Clark Wilson

Scott James Rau

A system for tracking a structure relative to the sun using an azimuth motor and an elevation motor, the system including an ephemeris calculator configured to output an anticipated azimuth angle and an anticipated zenith angle of the sun relative to the structure geographic location at a given time, a command calculator configured to generate an azimuth motor shaft position command corresponding to the anticipated azimuth angle and an elevation motor shaft position command corresponding to the anticipated zenith angle, an azimuth control loop configured to minimize a difference between the azimuth motor shaft position command and the actual azimuth motor shaft position, and an elevation control loop configured to minimize a difference between the elevation motor shaft position command and the actual elevation motor shaft position.

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Irvine, CA, United States of America

Karl C Oittinen