GPS based prediction of the instantaneous impact point for sounding rockets
Montenbruck, Oliver and Markgraf, Markus and Jung, Wolfgang and Bull, Barton and Engler, Wolfgang (2001) GPS based prediction of the instantaneous impact point for sounding rockets. Aerospace Science and Technology, 6 (4), pp. 283-294. Elsevier. DOI: 10.1016/S1270-9638(02)01163-X.
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As part of the range safety operations during a sounding rocket launch, a real-time prediction of the instantaneous impact point (IIP) is performed to monitor the expected touch down point in case of a boost termination. Supplementary to traditional radar tracking, the IIP prediction is nowadays based on GPS navigation data, which offer an inherently higher accuracy and reduced data noise. To comply with the increased tracking performance, a consistent set of equations suitable for real-time computation of the approximate IIP is established. Aside from a consideration of gravitational forces, reference frame rotation and Earth curvature, the model can also account for drag during the ascent trajectory provided that a priori information on the ballistic properties of the launch vehicle is available. The algorithm is tested for a representative set of mission profiles and applied to GPS flight data of an Improved Orion rocket and a Maxus rocket launched at Esrange, Kiruna.
|Title:||GPS based prediction of the instantaneous impact point for sounding rockets|
|Date:||24 September 2001|
|Journal or Publication Title:||Aerospace Science and Technology|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 283-294|
|Keywords:||Instantaner Auftreffpunkt, GPS, Höhenforschungsraketen , Instantaneous impact point, GPS, Sounding rockets|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||W SY - Technik für Raumfahrtsysteme|
|DLR - Research area:||Space|
|DLR - Program:||W SY - Technik für Raumfahrtsysteme|
|DLR - Research theme (Project):||W -- no assignement (old)|
|Institutes and Institutions:||Space Operations and Astronaut Training|
|Deposited By:||Dr.rer.nat.hab. Oliver Montenbruck|
|Deposited On:||16 Jan 2006|
|Last Modified:||14 Jan 2010 20:45|
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