Mathematics
Scientific paper
Mar 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995jspro..32..279t&link_type=abstract
Journal of Spacecraft and Rockets (ISSN 0022-4650), vol. 32, no. 2, p. 279-285
Mathematics
2
Airborne/Spaceborne Computers, Angular Resolution, Autonomous Navigation, Computerized Simulation, Lunar Exploration, Navigation Aids, Space Navigation, Spacecraft Guidance, Equations Of Motion, Kalman Filters, Mathematical Models, Onboard Equipment, Spacecraft Trajectories, Trajectory Optimization
Scientific paper
The primary objective of an onboard autonomous navigation sensor is to estimate the states of the spacecraft without the use of ground support and arrive at its destination with a high degree of accuracy. This paper presents a preliminary investigation into the feasibility of an autonomous lunar transfer navigation scheme using discrete onboard angle-only measurements. System observability using the angle-only scheme is formulated and discussed. Two approaches, optimal design and suboptimal design, are investigated. A simulation was performed to compare the two methods. Results of the simulation show that the suboptimal approach offers accuracy close to the optimal approach but requires much less processing.
Tuckness Dan G.
Young Shih-Yih
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