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Zeros of modal models of flexible structures

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3 Author(s)
Lindner, D.K. ; Bradley Dept. of Electr. Eng., Virginia Tech, Blacksburg, VA, USA ; Reichard, K.M. ; Tarkenton, L.M.

It is shown that in some situations the zero patterns of a flexible structure change radically with model order. The refinement of the model by the addition of higher-order modes can cause zeros to appear at low frequencies or in the right half-plane. Structures instrumented with piezoelectric actuators and/or fiber-optic sensors are also considered

Published in:

Automatic Control, IEEE Transactions on  (Volume:38 ,  Issue: 9 )