Chapter
Apr 26, 2012
Microgravity Vibration Control and Civil Applications
Authors: Mark Stephen Whorton and Dean Carl AlhornAuthor Affiliations
Publication: Space 98
Abstract
Controlling vibration of structures is essential for both space structures as well as terrestrial structures. Due to the ambient acceleration levels anticipated for the International Space Station, active vibration isolation is required to provide a quiescent acceleration environment for many science experiments. An overview is given of systems developed and flight tested in orbit for microgravity vibration isolation. Technology developed for vibration control of flexible space structures may also be applied to control of terrestrial structures such as buildings and bridges subject to wind loading or earthquake excitation. Recent developments in modern robust control for flexible space structures are shown to provide good structural vibration control while maintaining robustness to model uncertainties. Results of a mixed H2/H∞ control design are provided for a benchmark problem in earthquake engineering for building structural control.
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Copyright
© 1998 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Aerodynamics
- Aerospace engineering
- Base isolation
- Continuum mechanics
- Dynamics (solid mechanics)
- Earthquake engineering
- Engineering mechanics
- Frames
- Geotechnical engineering
- Gravity forces
- Hydraulic engineering
- Hydraulic structures
- Motion (dynamics)
- Seismic design
- Solid mechanics
- Space colonies
- Space exploration
- Space frames
- Space stations
- Space structures
- Structural control
- Structural engineering
- Structural health monitoring
- Structural members
- Structural systems
- Vibration
- Water and water resources
Authors
Affiliations
Mark Stephen Whorton
Aerospace Engineer, National Aeronautics and Space Administration, Marshall Space Flight Center, ED12, Huntsville, AL 35812
Dean Carl Alhorn
Aerospace Engineer, National Aeronautics and Space Administration, Marshall Space Flight Center, EB23, Huntsville, AL 35812
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.