Aircraft multi-axis modal suppression system

Details Aircraft multi-axis modal suppression system Aircraft multi-axis modal suppression system

2005-07-12

2005-07-12

Carone, Michael J. (Department: 3641)

Aeronautics and astronautics

Aircraft control

Automatic

C244S177000, C244S075100

Reexamination Certificate

active

06915989

ABSTRACT:
Vibrations due to excitation of the natural modes of an aircraft's body are suppressed by an active multi-axis modal suppression system. Dedicated sensors are positioned in the aircraft at optimal locations for sensing modal induced vibrations. The sensor produced signals are processed through control logic which, in response thereto, and in response to aircraft inertial, velocity and altitude related signals produces output control signals. The control signals effect control surface deployment creating forces to suppress the natural mode induced vibrations on multiple geometric axis's. More particularly, symmetric and anti-symmetric control surface deployments are used on one or more geometric axis's to damp lateral, longitudinal, vertical and most importantly torsional vibrational modes.

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European Search Report for European Application No. EP 03 07 8445, May 14, 2004, (6 pgs).

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