The application is described of Kalman-Bucy filter theory to postflight guidance error analysis. Trajectory reconstruction and the estimation of guidance hardware errors and radar system errors are emphasized, such as accelerometer bias, gyro drift rate, radar location uncertainty and the like, by processing both guidance telemetered and radar tracking data. The filtering technique is developed in full detail for a launch vehicle with a strapdown inertial navigation system. Digital simulations are also presented. The results demonstrate that the approach is very promising for postflight guidance-trajectory analysis. (Author)
Estimation of Guidance Errors by Kalman-Bucy Filtering Technique
1972
26 pages
Report
No indication
English
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