Dynamic Response of a Flexible Structure with Internal Actuating System to Enhance Performance
Publication: Space 2002 and Robotics 2002
Abstract
A technique for deforming a flexible wing to achieve a specified roll rate within a specified time at different Mach Numbers is examined. Rather than using an aileron system for roll, antisymmetric elastic twist and camber is determined to achieve the required rolling moment for a specified roll rate. The elastic twist and camber is achieved by providing a system of actuating elements distributed within the internal substructure of the wing to provide control forces. The modal approach is used to develop the dynamic equilibrium equations which culminates in the steady roll maneuver of a wing subjected to aerodynamic loads and the actuating forces. The distribution of actuating forces to achieve the specified steady flexible roll rate within a specified time was determined by using Independent Modal-Space Control (IMSC) design approach. Here, a full-scale realistic wing is considered for the assessment of the strain energy required to produce the antisymmetric twist and camber deformation to achieve the specified roll performance.
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Copyright
© 2002 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
ASCE Technical Topics:
- Aerospace engineering
- Aircraft and spacecraft
- Aircraft wings
- Continuum mechanics
- Deformation (mechanics)
- Dynamic loads
- Dynamic response
- Dynamics (solid mechanics)
- Elastic analysis
- Engineering fundamentals
- Engineering mechanics
- Mathematics
- Solid mechanics
- Structural analysis
- Structural dynamics
- Structural engineering
- Structural mechanics
- Structures (by type)
- Substructures
- Symmetry
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