Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Aeronautical vehicle
Reexamination Certificate
2005-11-09
2009-06-16
Beaulieu, Yonel (Department: 3661)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Aeronautical vehicle
Reexamination Certificate
active
07548800
ABSTRACT:
Methods and computer program products are provided for controlling a plurality of control effectors of an aerodynamic vehicle based upon the mode shape direction of one or more structural modes excited by actuation of the control effectors. For example, control of the actuation of the control effectors may be provided to emphasize actuation of those control effectors that affect a structural mode having a mode shape direction that is substantially orthogonal to the mode shape of the structural mode. By affecting a structural mode in such a manner that the mode shape direction is substantially orthogonal to the mode shape of the structural mode, control structure interaction (CSI) is avoided without having to design a stiffer aerodynamic vehicle and without having to filter the sensor input and/or the actuator commands, unless it is otherwise desirable to do so.
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Jones Richard D.
Speer Thomas E.
Alston & Bird LLP
Beaulieu Yonel
The Boeing Company
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