Data-processing features in the problem of descent-vehicle navigation

Details Data-processing features in the problem of descent-vehicle navigation Data-processing features in the problem of descent-vehicle navigation

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989kosis..27..666i&link_type=abstract

Kosmicheskie Issledovaniia (ISSN 0023-4206), vol. 27, Sept.-Oct. 1989, p. 666-673. In Russian.

Mathematics

Dynamical Systems

Data Processing, Descent Trajectories, Navigation, Computerized Simulation, Dynamical Systems, Error Analysis, Kalman Filters, Liapunov Functions, Lift Drag Ratio

Scientific paper

The paper examines aspects of the use of radio measurements in a system consisting of the descent vehicle (DV) and the ground tracking station to control a DV with a low lift-to-drag ratio after establishment of communication with the earth. An adaptive filtering algorithm using the direct Liapunov method is synthesized for determining errors of the dynamic-system model. The algorithm is shown to be effective for estimating the descent trajectory parameters in the atmosphere.

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