DocumentCode :
1005822
Title :
Practical stabilization in attitude thruster control
Author :
Servidia, Pablo A. ; Peña, Ricardo S Sánchez
Author_Institution :
Nat. Comm. of Space Activities, Buenos Aires, Argentina
Volume :
41
Issue :
2
fYear :
2005
fDate :
4/1/2005 12:00:00 AM
Firstpage :
584
Lastpage :
598
Abstract :
The attitude stabilization of a spacecraft using thrusters is considered from a practical point of view, i.e., when actuator constraints, uncertainties and failures, measurement noise, fuel consumption, and inertia matrix uncertainty are considered. A variable structure controller based on sliding modes is obtained first, which guarantees global exponential stability under actuator constraints, uncertainties, and failures. The design is based on a continuous average-proportional torque selection function and a set of feasible sliding surfaces, which may be adapted to improve performance. Exponential convergence towards ultimate bounds is guaranteed when all other practical issues arise.
Keywords :
aerospace propulsion; asymptotic stability; attitude control; space vehicles; variable structure systems; attitude thruster control; continuous average-proportional torque selection function; global exponential stability; practical stabilization; sliding modes; spacecraft attitude stabilization; variable structure controller; Actuators; Attitude control; Convergence; Fuels; Measurement uncertainty; Noise measurement; Sliding mode control; Space vehicles; Stability; Torque;
fLanguage :
English
Journal_Title :
Aerospace and Electronic Systems, IEEE Transactions on
Publisher :
ieee
ISSN :
0018-9251
Type :
jour
DOI :
10.1109/TAES.2005.1468750
Filename :
1468750
Link To Document :
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