ACOSS Eleven (Active Control of Space Structures). Volume 1.
Interim rept. Apr-Nov 82,
CHARLES STARK DRAPER LAB INC CAMBRIDGE MA
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This volume documents the progress made in four principal areas during this reporting period 1 The difficulties encountered in the Large Space Structure LSS system identification were studied. Focusing on the high-resolution identification problem, a procedure for identifying lightly damped, closely spaced modes is derived 2 Two approaches to the incorporation of actuator dynamics and the role of actuator transducers in LSS vibration control were explored 3 A modal dashpotmodal spring control design is presented, and 4 A controlled experiment for the ACOSS design is proposed in which each principal element in the overall synthesis process is systematically examined. Author