Project Title:

Robust Adaptive Control of Large Space Structures

09.01-1500
Robust Adaptive Control of Large Space Structures
Integrated Systems Inc.
2500 Mission College Blvd.
Santa Clara
CA
95054
Robert L.
Kosut
(408-980-1500)
LaRC

Abstract:

The stringent performance demands imposed upon large space structures (LSS) in tracking
accuracy, response time, and active suppression of structural vibrations require
the use of robust, adaptive control based upon on-board system identification. The
objective of this project is the development of efficient techniques for system identification
and adaptive control which are quite different from the conventional adaptive schemes
in that the identification process provides information about modeling uncertainty
in the format that is anticipated by the robust control design rule. With such an
estimate in hand, the controller can be redesigned to provide robustness with respect
to model uncertainty.
The study will address the feasibility of performing on-board plant uncertainty estimation
and robust control design by using on-line input-output data. On-board uncertainty
estimation and on-board robust control design methods will be studied. The proposed
adaptive scheme will be tested on a simulation model of a representative LSS system.

Potential Commercial Application:

Potential Commercial Applications:  Commercial and government applications would
involve control systems for use in aerospace.