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Predictive momentum management for a space station measurement and computation requirements
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Adams, John Carl |
| Copyright Year | 1986 |
| Description | An analysis is made of the effects of errors and uncertainties in the predicting of disturbance torques on the peak momentum buildup on a space station. Models of the disturbance torques acting on a space station in low Earth orbit are presented, to estimate how accurately they can be predicted. An analysis of the torque and momentum buildup about the pitch axis of the Dual Keel space station configuration is formulated, and a derivation of the Average Torque Equilibrium Attitude (ATEA) is presented, for the case of no MRMS (Mobile Remote Manipulation System) motion, Y vehicle axis MRMS motion, and Z vehicle axis MRMS motion. Results showed the peak momentum buildup to be approximately 20000 N-m-s and to be relatively insensitive to errors in the predicting torque models, for Z axis motion of the MRMS was found to vary significantly with model errors, but not exceed a value of approximately 15000 N-m-s for the Y axis MRMS motion with 1 deg attitude hold error. Minimum peak disturbance momentum was found not to occur at the ATEA angle, but at a slightly smaller angle. However, this minimum peak momentum attitude was found to produce significant disturbance momentum at the end of the predicting time interval. |
| File Size | 3271690 |
| Page Count | 149 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19880001484 |
| Archival Resource Key | ark:/13960/t5hb41133 |
| Language | English |
| Publisher Date | 1986-08-01 |
| Access Restriction | Open |
| Subject Keyword | Spacecraft Design, Testing And Performance Perturbation Theory Torque Attitude Control Low Earth Orbits Spacecraft Control Momentum Equations of Motion Prediction Analysis Techniques Spacecraft Configurations Space Stations Earth Orbits Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Technical Report |
