Naidu, VPS and Girija, G and Raol, JR (2005) Estimation of Launch and Impact Points of a Flight Trajectory using UD Kalman Filter/Smoother. Technical Report. National Aerospace Laboratories, Bangalore, India.
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Abstract
The launch and impact points of a flight trajectory are estimated using UD Kalman filter and R-T-S smoother. Algorithms are implemented in PC MATLAB and validated using simulated data. The filter performance is evaluated in terms of state error, innovation sequence and autocorrelation of residuals along with their13; theoretical bounds. The R-T-S smoother was found to generate more accurate13; state estimates, which led to better launch point estimation. Launch and impact13; point prediction from real data of a guided target in ballistic mode is also evaluated.
| Item Type: | Proj.Doc/Technical Report (Technical Report) |
|---|---|
| Uncontrolled Keywords: | Trajectory estimation;UD Kalman filter;R-T-S smoother;Kalman Tracking |
| Subjects: | AERONAUTICS > Aircraft Design, Testing & Performance |
| Division/Department: | Flight Mechanics and Control Division, Flight Mechanics and Control Division, Flight Mechanics and Control Division |
| Depositing User: | Mrs Manoranjitha M D |
| Date Deposited: | 16 Jan 2009 |
| Last Modified: | 24 May 2010 09:39 |
| URI: | http://nal-ir.nal.res.in/id/eprint/947 |
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