Paper
24 October 2013 Responder fast steering mirror
Andrew Bullard, Islam Shawki
Author Affiliations +
Abstract
Raytheon Space and Airborne Systems (SAS) has designed, built and tested a 3.3-inch diameter fast steering mirror (FSM) for space application. This 2-axis FSM operates over a large angle (over 10 degree range), has a very high servo bandwidth (over 3.3 Khz closed loop bandwidth), has nanoradian-class noise, and is designed to support microradian class line of sight accuracy. The FSM maintains excellent performance over large temperature ranges (which includes wave front error) and has very high reliability with the help of fully redundant angle sensors and actuator circuits. The FSM is capable of achieving all its design requirements while also being reaction-compensated. The reaction compensation is achieved passively and does not need a separate control loop. The FSM has undergone various environmental testing which include exported forces and torques and thermal vacuum testing that support the FSM design claims. This paper presents the mechanical design and test results of the mechanism which satisfies the rigorous vacuum and space application requirements.
© (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Andrew Bullard and Islam Shawki "Responder fast steering mirror", Proc. SPIE 8889, Sensors, Systems, and Next-Generation Satellites XVII, 88891Q (24 October 2013); https://doi.org/10.1117/12.2029353
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CITATIONS
Cited by 2 scholarly publications and 2 patents.
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KEYWORDS
Mirrors

Actuators

Space mirrors

Wavefronts

Data modeling

Flexible circuits

Position sensors

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