Computer Science – Performance
Scientific paper
Nov 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977mit..reptr....l&link_type=abstract
Project Report Massachusetts Inst. of Tech., Cambridge.
Computer Science
Performance
Controllability, Supports, Telescopes, Coders, Performance Tests, Real Time Operation, Space Surveillance (Ground Based), Steering
Scientific paper
The second GEODSS telescope has an improved drive system consisting of a single DC drive motor on each axis. This arrangement should provide a stable and reliable drive system for the telescope, which is driven by incremental encoders. Measurements on the response of the telescope to computer commanded rates were therefore taken. These measurements were made via two computer programs; one sends rate commands to the telescope, and the other monitors the resulting positions of the telescope. The results of these measurements show that this telescope responds very accurately to rate commands over the range of most interest to us: + or - 400 arc seconds per second. Data is also presented on the performance of the telescope with the Real-Time System. Specifically, the step and settle time of the telescope over a 3.7 degree field is examined. That field corresponds to the overlapped full field on the 14 inch telescope. A very satisfactory step and settle time of approximately 2 seconds has been achieved by the telescope for that case.
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