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Adaptive Control of a Flexible Beam Using Least Square Lattice Filters

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2 Author(s)
Sundararajan, N. ; NASA Langley Research Center ; Montgomery, R.C.

An indirect adaptive control scheme for the control of flexible structures using least square lattice filters for on-line identification of the number of modes, mode shapes, and modal amplitudes is presented. The control law is based on modal pole placement. The system requires on-line validation of the results of the identification scheme before allowing changes in control law parameters. Successful adaptive control is demonstrated using the simulations for the 12 ft free-free beam apparatus at NASA Langley Research Center.

Published in:

Aerospace and Electronic Systems, IEEE Transactions on  (Volume:AES-20 ,  Issue: 5 )