System for stabilization and pointing of a stratospheric balloon-borne telescope

Details System for stabilization and pointing of a stratospheric balloon-borne telescope System for stabilization and pointing of a stratospheric balloon-borne telescope

Jun 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981stin...8218558b&link_type=abstract

Presented at the 2nd Natl. Meeting on Automation, Salvador, Brazil, 8-15 de Jul. 1981

Computer Science

Attitude Control, Balloon-Borne Instruments, Infrared Telescopes, Instrument Orientation, Stabilized Platforms, Stratosphere, Azimuth, Elevation Angle, Infrared Radiometers, Microcomputers

Scientific paper

A control system for pointing and stabilization of an infrared radiometer to be flown in stratospheric balloon missions was developed and built. This system permitted the azimuth stabilization and orientation of the entire scientific platform, on which all missions subsystems were assembled, as well as the elevation of the longitudinal axis of the telescope alone. The classical control philosophy with linear and angular position and velocity sensors is used. The control reference was supplied by an on-board microcomputer, via telecommand. A flight in November 1980 produced a one degree accuracy in the elevation control loop and a quite acceptable stabilization in azimuth for the requirements of that mission.

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