The problem of vibration control in box-type structures is examined by inclusion of piezo-electric smart structural elements. The box is modeled as a system of joined plates in which both extensional and bending deflections are incorporated. By collocating the sensor and actuator elements, the input-output property of passivity is achieved independent of the number of modeled modes and details such as frequencies and mode shapes. Robust vibration control is achieved by designing a strictly positive real dynamic compensator for the system.
Vibration control of spacecraft box structures using a collocated piezo-actuator/sensor
Journal of Intelligent Material Systems and Structures ; 15 , 5 ; 369-374
2004
6 Seiten, 12 Quellen
Aufsatz (Zeitschrift)
Englisch
Raumfahrzeug , Sensor , Schwingungsregelung , Elastizität , Resonanzfrequenz , Steuerungs- und Regelungssystem , Steuereinrichtung , piezoelektrischer Aktor , potenzielle Energie , piezoelektrisches Bauelement , Vektor , Vibrationsaufnehmer , Schwingungsverhalten , mechanisches Bauelement , Strukturanalyse , Schwingungssteuerung und -regelung
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