Abstract This paper examines attitude tracking problem with unknown actuator dead-zone nonlinearity. A robust adaptive controller with parameter update laws is proposed and analyzed. A smooth inverse of the dead-zone is introduced to compensate for the effect of the dead-zone in controllers design with the adaptive control approach. The dead-zone parameters and the upper bound of the disturbance-like term are estimated by adaptive schemes. The stability of the resulting closed-loop systems is proved by application of Barbalat's Lemma. Numerical simulations are presented to show the effectiveness of the proposed attitude tracking approach.
Robust adaptive control for attitude tracking of spacecraft with unknown dead-zone
Aerospace Science and Technology ; 45 ; 196-202
2015-05-21
7 pages
Article (Journal)
Electronic Resource
English
Robust adaptive control for attitude tracking of spacecraft with unknown dead-zone
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