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Proceedings Paper

Satellite ultraquiet isolation technology experiment (SUITE): electromechanical subsystems
Author(s): Eric H. Anderson; Michael E. Evert; Roger M. Glaese; James C. Goodding; Scott C. Pendleton; Donald Camp; John Fumo; Marty Jessen; Richard G. Cobb; R. Scott Erwin; Jonathon Jensen
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Paper Abstract

Spacecraft carry instruments and sensors that gather information from distant points, for example, from the Earth's surface several hundred kilometers away. Small vibrations on the spacecraft can reduce instrument effectiveness significantly. Vibration isolation system are one means of minimizing the jitter of sensitive instruments. This paper describes one such system, the Satellite Ultraquiet Isolation Technology Experiment (SUITE). SUITE is a piezoelectric-based technology demonstration scheduled to fly in 2000 on PICOSat, a microsatellite fabricated by Surrey Satellite Technology, Ltd. Control from the ground station is planned for the first year after launch. SUITE draws on technology from previous research programs as well as a commercial piezoelectric vibration isolation system. The paper details the features of SUITE, with particular emphasis on the active hexapod assembly. A description of the PICOSat spacecraft and the other considerations preceding the development of the flight hardware begins the paper. Experimental goals are listed. The mechanical and electromechanical construction of the SUITE hexapod assembly is described, including the piezoelectric actuators, motion sensors, and electromagnetic actuators. The data control system is also described briefly, including the digital signal processor and spacecraft communication. The main features of the software used for real-time control and the supporting Matlab software used for control system development and data processing are summarized.

Paper Details

Date Published: 9 July 1999
PDF: 21 pages
Proc. SPIE 3674, Smart Structures and Materials 1999: Industrial and Commercial Applications of Smart Structures Technologies, (9 July 1999); doi: 10.1117/12.351568
Show Author Affiliations
Eric H. Anderson, CSA Engineering, Inc. (United States)
Michael E. Evert, CSA Engineering, Inc. (United States)
Roger M. Glaese, CSA Engineering, Inc. (United States)
James C. Goodding, CSA Engineering, Inc. (United States)
Scott C. Pendleton, CSA Engineering, Inc. (United States)
Donald Camp, Trisys Inc. (United States)
John Fumo, Trisys Inc. (United States)
Marty Jessen, Trisys Inc. (United States)
Richard G. Cobb, Air Force Research Lab. (United States)
R. Scott Erwin, Air Force Research Lab. (United States)
Jonathon Jensen, Air Force Research Lab. (United States)


Published in SPIE Proceedings Vol. 3674:
Smart Structures and Materials 1999: Industrial and Commercial Applications of Smart Structures Technologies
Jack H. Jacobs, Editor(s)

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