As large space structures are basically distributed systems, serious consideration must be given to the very high order, and consequently very high bandwidth, of these systems. In particular, as practical active control devices such as sensors and actuators have finite bandwidth, great care must be exercised so that control of low-frequency modes does not destabilize the intermediate and higher-order modes. In this paper, the nature of these stability problems is investigated and a technique using position feedback is considered.
On the stability problem caused by finite actuator dynamics in the collocated control of large space structures
Ueber Stabilitaetsprobleme grosser Raumfahrtkoerper, die in der mechanischen Struktur der Fahrzeuge, wie in der Dynamik der Antriebssysteme begruendet sind
International Journal of Control ; 41 , 3 ; 787-802
1985
16 Seiten, 5 Bilder, 4 Tabellen, 8 Quellen
Article (Journal)
English
Vibration control of spacecraft box structures using a collocated piezo-actuator/sensor
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