Mathematics
Scientific paper
Feb 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992spie.1543..276m&link_type=abstract
In: Active and adaptive optical components; Proceedings of the Meeting, San Diego, CA, July 24-26, 1991 (A93-39559 15-74), p. 27
Mathematics
Mirrors, Pointing Control Systems, Servomechanisms, Systems Engineering, Systems Stability, Actuators, Balancing, Magnetic Suspension, Mathematical Models
Scientific paper
A technique aimed at establishing servo control of a magnetically suspended FSM developed by Ball Aerospace Systems Group is discussed. The process is dependent on the mirror's mass property matrix and two coordinate transformations, namely, a CG-to-actuator transformation defined by statically balancing the actuator forces and a sensor-to-CG transformation. The latter is characterized by injecting noise into the system and compensating for off-axis cross coupling. The technique was used to develop a 5-inch MSFSM with 600 hertz closed loop bandwidth in the pointing axes and 50 Hertz in the suspension axes.
Gupta Avanindra A.
Medbery James D.
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