Abstract When spacecraft maneuver unknowingly, traditional orbit determination filters diverge. This paper postulates using Interacting Multiple Models and covariance inflation methods to filter-through unknown maneuvers. This work proposes accurate methods for real-time tracking of a non-cooperative, maneuvering spacecraft and compares the performance to traditional techniques. Results show that a filter-through Interacting Multiple Model orbit determination filter can converge on a post-maneuver orbit in real-time with similar performance to off-line Initial Orbit Determination approaches.
Highlights New algorithm uses covariance inflation to filter-through unknown maneuvers. Real-time post-maneuver estimation without traditional Initial Orbit Determination. 1329 of 1344 simulated cases successfully re-converge and track spacecraft. Sequential model performs similar to offline batched methods for small maneuvers.
Tracking maneuvering spacecraft with filter-through approaches using interacting multiple models
Acta Astronautica ; 114 ; 152-163
2015-05-03
12 pages
Article (Journal)
Electronic Resource
English
Tracking maneuvering spacecraft with filter-through approaches using interacting multiple models
Online Contents | 2015
|Adaptive Interacting Multiple Model Tracking of Maneuvering Targets
British Library Conference Proceedings | 1997
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