For various reasons, including cost, small satellites are becoming more appealing. Because of their smaller inertias, these spacecrafts are more sensitive to disturbances and likely to have more attitude jitter than the bigger units. These jitter levels may be unacceptable for some scientific instruments and need to be compensated. In the case of line-of-sight type instruments, the attitude jitter could be mitigated by incorporating a fast steering mirror into the system. To take full advantage of these devices, the spacecraft attitude needs to be measured at sufficiently high bandwidth, well beyond what is commonly provided by inertial reference units. This research examines various ways to obtain higher bandwidth attitude measurements for the purpose of jitter control.
Determination of attitude jitter in small satellites
01.12.1995
Aufsatz (Konferenz)
Keine Angabe
Englisch
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