Statistical Analysis of Trim Maneuvers in Low-Thrust Interplanetary Navigation

Autor: Robert A. Jacobson, Lincoln J. Wood, George C. Rinker
Rok vydání: 1976
Předmět:
Zdroj: Journal of Spacecraft and Rockets. 13:509-512
ISSN: 1533-6794
0022-4650
DOI: 10.2514/3.57114
Popis: An analytical technique for the statistical analysis of a low thrust trim maneuver in interplanetary navigation has been developed. The maneuver is treated rigorously as a nonlinear function of the trajectory errors to be removed, and the corresponding nongaussian statistics are developed. The method determines the statistical properties of the maneuver direction and duration, as well as the final state dispersion covariance. The analytical technique is applied to the terminal maneuver in a 1980 Encke slow flyby mission and is found to yield accurate statistical results with much less effort than Monte Carlo simulation. The method permits consideration of a shorter terminal maneuver than does linear analysis, with a consequent improvement in delivery accuracy.
Databáze: OpenAIRE