Development of telescope balancing methodologies for SOFIA

Details Development of telescope balancing methodologies for SOFIA Development of telescope balancing methodologies for SOFIA

Aug 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998spie.3354.1130m&link_type=abstract

Proc. SPIE Vol. 3354, p. 1130-1138, Infrared Astronomical Instrumentation, Albert M. Fowler; Ed.

Computer Science

Performance

Scientific paper

NASA Kuiper telescope personnel identified computer-aided telescope balancing as a needed capability which will save significant amount of time and will improve SOFIA operational effectiveness. Automated telescope balancing is considered a 'critical technology need' for SOFIA. It is necessary to balance the telescope to accommodate the different science instruments. The telescope must be adequately balanced to enable the pointing and tracking system to operate properly. In-flight balancing may be necessary because the mass properties of the science instruments can change during its operation and because of disturbance torques. In the past, a trial and error procedure was used to balance the Kuiper telescope, which can take up to several hours and requires a highly skilled, experienced technician to perform the task. Various approaches for balancing the telescope are reported in this paper. Potential benefits are: 1) enable balance compensation to be performed quickly, thereby reducing operations costs, 2) enable a much wider range of balance compensation to be performed in-flight, which may increase science observation time and science return, 3) enable technicians of any skill level to balance the telescope with the aid of a computerized system, and 4) improve the performance of the telescope by increasing the precision of the balance, which may increase science return.

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