Adaptive Output-Feedback Control for A Class of Multi-Input-Multi-Output Plants with Applications to Very Flexible Aircraft
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A dominant presence of parametric model uncertainties
necessitates an adaptive approach for control of
very flexible aircraft (VFA). This paper proposes an adaptive
controller that includes a baseline design based on observers
and parameter adaptation based on a closed-loop reference
model (CRM), and is applicable for a class of multi-input
multi-output (MIMO) plants where number of outputs exceeds
number of inputs. In particular, the proposed controller allows
the plant to have first-order actuator dynamics and parametric
uncertainties in both plant and actuator dynamics. Conditions
are delineated under which this controller can guarantee
stability and asymptotic reference tracking, and the overall
design is validated using simulations on a nonlinear VFA model.
Boeing Strategic University Initiative
Boeing Strategic University Initiative
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Qu, Zheng
Annaswamy, Anuradha
Lavretsky, Eugene
