Owing to a great decrease in size and weight, the pointing accuracy of a microsatellite is vulnerable to space environmental disturbances and the internal uncertainty of moment-of-inertia variation. Mixed H2/H(infinite) control, giving consideration to both stability robustness and root-mean-square ( rms ) performance, is particularly attractive for attitude controller design of microsatellites. By using linear matrix inequality method, the numerical solution of mixed H2/H(infinite) state-feedback controller can be efficiently solved. The performance differences between mixed H2/H(infinite) controller and its two extremes - pure H2 controller and pure H(infinite) controller - are discussed in detail. Mixed H2/H(infinite) controller shows the remarkable capability of achieving a balanced compromise between H2 and H(infinite) performance.
Mixed H2/H(infinite) state-feedback design for microsatellite attitude control
Gemischter H2/H(unendlich) Zustandsreglerentwurf für die Lageregelung eines Mikrosatelliten
Control Engineering Practice ; 10 , 9 ; 951-970
2002
20 Seiten, 12 Bilder, 5 Tabellen, 49 Quellen
Article (Journal)
English
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